Inspect the sources.

Search coding-harness and GUI claims, then open the first-party page that supports each record. The two evidence layers stay separate so interface features are not mistaken for harness capabilities.

51 active products20 GUI records1166 primary sources16 pinned GUI code audits6 watchlist records35 stable release feeds0 affiliate sources

Latest stable releases

Current version, publication date, and 90-day cadence from reviewed product-scoped GitHub release feeds. Frequency describes activity, not quality.

  1. GGCodeFull-source repository
    Stable versionv1.3.236Open release
    ReleasedSep 8, 2026
    Release cadence160 releasespast 90 days
  2. KernFull-source repository
    Stable versionv0.34.0Open release
    ReleasedSep 8, 2026
    Release cadence9 releasespast 90 days
  3. Oh My PiFull-source repository
    Stable versionv18.1.14Open release
    ReleasedSep 7, 2026
    Release cadence163 releasespast 90 days
  4. Letta HarnessClient-source repository
    Stable versionv0.31.13Open release
    ReleasedSep 7, 2026
    Release cadence102 releasespast 90 days
  5. Junie CLISupport repository
    Stable version3110.6Open release
    ReleasedSep 7, 2026
    Release cadence32 releasespast 90 days
  6. Hermes AgentFull-source repository
    Stable versionv2026.9.7Open release
    ReleasedSep 7, 2026
    Release cadence13 releasespast 90 days
  7. ReasonixFull-source repository
    Stable versionv1.38.1Open release
    ReleasedSep 6, 2026
    Release cadence83 releasespast 90 days
  8. Claude CodeSupport repository
    Stable versionv2.1.263Open release
    ReleasedSep 6, 2026
    Release cadence73 releasespast 90 days
  9. Kilo CodeFull-source repository
    Stable versionv7.5.15Open release
    ReleasedSep 6, 2026
    Release cadence32 releasespast 90 days
  10. Antigravity CLISupport repository
    Stable version1.1.27Open release
    ReleasedSep 5, 2026
    Release cadence37 releasespast 90 days
  11. Pi AgentFull-source repository
    Stable versionv0.85.1Open release
    ReleasedSep 5, 2026
    Release cadence31 releasespast 90 days
  12. CodeWhaleFull-source repository
    Stable versionv0.9.12Open release
    ReleasedSep 5, 2026
    Release cadence23 releasespast 90 days
  13. Zoo CodeFull-source repository
    Stable versionv3.82.0Open release
    ReleasedSep 5, 2026
    Release cadence13 releasespast 90 days
  14. OpenClawFull-source repository
    Stable versionv2026.9.2Open release
    ReleasedSep 5, 2026
    Release cadence12 releasespast 90 days
  15. Kimi CodeFull-source repository
    Stable version@moonshot-ai/kimi-code@0.41.0Open release
    ReleasedSep 4, 2026
    Release cadence57 releasespast 90 days
  16. OpenCodeFull-source repository
    Stable versionv1.18.29Open release
    ReleasedSep 4, 2026
    Release cadence47 releasespast 90 days
  17. CodexClient-source repository
    Stable versionrust-v0.153.4Open release
    ReleasedSep 4, 2026
    Release cadence33 releasespast 90 days
  18. Mistral VibeFull-source repository
    Stable versionv2.25.0Open release
    ReleasedSep 4, 2026
    Release cadence26 releasespast 90 days
  19. GitHub Copilot CLISupport repository
    Stable versionv1.0.83Open release
    ReleasedSep 4, 2026
    Release cadence22 releasespast 90 days
  20. Deep Agents CodeFull-source repository
    Stable versiondeepagents-code==0.1.66Open release
    ReleasedSep 3, 2026
    Release cadence54 releasespast 90 days
  21. Qwen CodeFull-source repository
    Stable versionv0.23.0Open release
    ReleasedSep 3, 2026
    Release cadence41 releasespast 90 days
  22. gooseFull-source repository
    Stable versionv1.49.0Open release
    ReleasedSep 3, 2026
    Release cadence12 releasespast 90 days
  23. ClineFull-source repository
    Stable versionv4.1.17Open release
    ReleasedSep 2, 2026
    Release cadence33 releasespast 90 days
  24. MiMo CodeFull-source repository
    Stable versionv0.1.14Open release
    ReleasedSep 2, 2026
    Release cadence14 releasespast 90 days
  25. XumFull-source repository
    Stable versionv0.28.4Open release
    ReleasedSep 2, 2026
    Release cadence6 releasespast 90 days
  26. Gemini CLIFull-source repository
    Stable versionv0.58.0Open release
    ReleasedSep 1, 2026
    Release cadence13 releasespast 90 days
  27. CrushFull-source repository
    Stable versionv0.92.0Open release
    ReleasedAug 31, 2026
    Release cadence21 releasespast 90 days
  28. OpenSquillaFull-source repository
    Stable versionv0.5.4Open release
    ReleasedAug 25, 2026
    Release cadence7 releasespast 90 days
  29. stagewiseFull-source repository
    Stable versionstagewise@1.29.0Open release
    ReleasedAug 15, 2026
    Release cadence25 releasespast 90 days
  30. Poolside Agent CLISupport repository
    Stable versionv1.0.16Open release
    ReleasedAug 14, 2026
    Release cadence11 releasespast 90 days
  31. ForgeCodeFull-source repository
    Stable versionv2.13.21Open release
    ReleasedJul 31, 2026
    Release cadence14 releasespast 90 days
  32. mini-SWE-agentFull-source repository
    Stable versionv2.4.6Open release
    ReleasedJul 23, 2026
    Release cadence6 releasespast 90 days
  33. OpenHandsFull-source repository
    Stable version1.11.0Open release
    ReleasedJul 9, 2026
    Release cadence6 releasespast 90 days
  34. OpenHarnessFull-source repository
    Stable versionv0.1.9Open release
    ReleasedMay 7, 2026
    Release cadence0 releasespast 90 days
  35. AiderFull-source repository
    Stable versionv0.86.0Open release
    ReleasedAug 9, 2025
    Release cadence0 releasespast 90 days

Showing 35 of 35 reviewed release feeds, sorted by latest stable release date and then trailing 90-day cadence. Version tags are shown verbatim. Observed Sep 8, 2026.

Evidence comparisons

Compare documented operational mechanisms, repository auditability, and measured benchmark runs. Each view keeps its own unit; no composite score.

Methods and definitions
What this view shows

How much documented runtime support each harness provides for the selected mechanism. These ordered levels are never summed into a universal product grade.

GGCode is first in the selected operational mechanisms view: Workflow-gated.

Show the complete 51-record ranking
  1. 1GGCode
  2. 2Hermes Agent
  3. 3ZCode
  4. 4Aider
  5. 5Amp
  6. 6Ante
  7. 7Antigravity CLI
  8. 8Claude Code
  9. 9Cline
  10. 10Codebuff
  11. 11Coder Agents
  12. 12CodeWhale
  13. 13Codex
  14. 14Command Code
  15. 15Crush
  16. 16Cursor CLI
  17. 17Deep Agents Code
  18. 18DeepSeek Harness
  19. 19Factory Droid
  20. 20ForgeCode
  21. 21Gemini CLI
  22. 22GitHub Copilot CLI
  23. 23goose
  24. 24Grok Build
  25. 25Junie CLI
  26. 26Kern
  27. 27Kilo Code
  28. 28Kimi Code
  29. 29Kiro CLI
  30. 30Letta Harness
  31. 31MiMo Code
  32. 32Mistral Vibe
  33. 33Muse Code
  34. 34Oh My Pi
  35. 35OpenClaw
  36. 36OpenCode
  37. 37OpenHands
  38. 38OpenHarness
  39. 39OpenSquilla
  40. 40Poolside Agent CLI
  41. 41PostQode
  42. 42Qwen Code
  43. 43Reasonix
  44. 44Slate
  45. 45Spectral Agent
  46. 46stagewise
  47. 47Wakil
  48. 48Xum
  49. 49Zoo Code
  50. 50mini-SWE-agent
  51. 51Pi Agent

51 comparable records. Missing evidence is never renormalized into a better result.

Harness evidence

Search classifications and source coverage, then open the canonical harness profile for the complete first-party ledger.

53 of 53 products, all statuses

Claude CodeCoding harness; Coding agentactive65 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
Proprietary

Official logo source

A Claude-centric coding agent with interactive and non-interactive workflows, explicit permissions, native sandboxing, MCP, skills, hooks, plugins, delegated agents, background sessions, and subscription or API authentication.

65 first-party sources are indexed on the canonical product profile.

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CodexCoding harness; Coding agentactive49 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
Apache-2.0 client

Official logo source

OpenAI's coding agent across desktop, terminal, IDE, cloud, SDK, and CI, with default local sandboxing, managed permission policy, MCP, hooks, subagents, persistent memories, worktrees, browser tools, and optional local or custom model providers.

49 first-party sources are indexed on the canonical product profile.

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OpenCodeCoding harness; Coding agentactive28 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
MIT

Official logo source

An open-source, client-server coding agent across terminal, desktop, IDE, local web, SDK, and headless modes, with broad provider and subscription support, local models, granular permissions, MCP, parallel subagents, Git-backed undo and redo, and GitHub automation.

28 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Pi AgentCoding harness; Extensible harnessactive20 primary sourcesChecked 2026-08-10

Coding harness
Extensible harness
MIT

Official logo source

An MIT-licensed terminal coding agent with a small core, broad provider and local-model support, JSON and RPC modes, and a TypeScript extension system for users who prefer to assemble their own workflow.

20 first-party sources are indexed on the canonical product profile.

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Oh My PiCoding harness; Coding agentactive24 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
MIT

Official logo source

An MIT-licensed terminal agent, invoked as `omp`, that layers LSP and debugger tooling, browser control, first-class subagents, MCP, ACP, RPC, and a large provider catalog onto Pi's extensible base.

24 first-party sources are indexed on the canonical product profile.

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Grok BuildCoding harness; Coding agentactive26 primary sourcesChecked 2026-08-07

Coding harness
Coding agent
Apache-2.0 first-party code

Official logo source

SpaceXAI's open-source terminal coding agent with TUI, headless and ACP surfaces, custom models, MCP, plugins, default-on subagents, plan review, conversation rewind, permissions, and optional OS-level sandbox profiles.

26 first-party sources are indexed on the canonical product profile.

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Muse CodeCoding harness; Coding agentactive17 primary sourcesChecked 2026-08-05

Coding harness
Coding agent
Proprietary native binary

Official logo source

Meta's terminal and CI coding agent with repository tools, default-on approvals and OS sandboxing, persistent memory, compaction, resumable sessions, goals, subagents, skills, hooks, and MCP.

17 first-party sources are indexed on the canonical product profile.

Inspect all sources
AiderCoding harness; Pair programmeractive18 primary sourcesChecked 2026-07-27

Coding harness
Pair programmer
Apache-2.0

Official logo source

A mature terminal pair-programming tool with broad model support, local endpoints, Git-backed undo, a repository map, scripting, and automatic lint, test, and commit workflows.

18 first-party sources are indexed on the canonical product profile.

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OpenHandsCoding harness; Agent platformactive23 primary sourcesChecked 2026-07-28

Coding harness
Agent platform
MIT core; separate enterprise terms

Official logo source

An open agent platform and developer control center with CLI, web, SDK, and automation surfaces; provider and local-model flexibility; MCP and browser tools; and local, Docker, or remote execution environments.

23 first-party sources are indexed on the canonical product profile.

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gooseCoding harness; General-purpose agentactive21 primary sourcesChecked 2026-08-22

Coding harness
General-purpose agent
Apache-2.0

Official logo source

An open-source general agent with desktop, CLI, and headless use, broad provider, subscription, and local-model access, plus built-in skills, MCP extensions, recipes, subagents, browser control, configurable approvals, and platform-specific isolation.

21 first-party sources are indexed on the canonical product profile.

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ClineCoding harness; Coding agentactive28 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
Apache-2.0

Official logo source

An open-source agent for IDEs and the CLI with broad provider and local-model support, MCP, browser use, checkpoints, read-only research subagents, persistent agent teams, lifecycle plugins, and configurable approval workflows.

28 first-party sources are indexed on the canonical product profile.

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Gemini CLICoding harness; Coding agentactive20 primary sourcesChecked 2026-08-20

Coding harness
Coding agent
Apache-2.0

Official logo source

An Apache-2.0 terminal agent for Gemini with interactive and non-interactive modes, MCP, Agent Skills, policy controls, optional OS or container sandboxing, specialized subagents, worktrees, and file-aware rewind and restore.

20 first-party sources are indexed on the canonical product profile.

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Antigravity CLICoding harness; Coding agentactive23 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
Proprietary binary distribution

Official logo source

A proprietary terminal interface to Google's shared Antigravity agent harness, with a managed multi-provider model catalog, asynchronous subagents, structured headless output, SSH use, browser actions, MCP, plugins, skills, hooks, granular permissions, and optional native OS sandboxing.

23 first-party sources are indexed on the canonical product profile.

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GitHub Copilot CLICoding harness; Coding agentactive19 primary sourcesChecked 2026-08-13

Coding harness
Coding agent
GitHub Copilot CLI License

Official logo source

GitHub's terminal coding agent supports interactive and programmatic execution, granular permissions, local and cloud sandboxes, MCP, custom agents, parallel subagents, file rollback, and GitHub-hosted or custom local models.

19 first-party sources are indexed on the canonical product profile.

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Cursor CLICoding harness; Coding agentactive16 primary sourcesChecked 2026-08-01

Coding harness
Coding agent
Proprietary

Official logo source

A proprietary terminal surface for Cursor Agent with interactive and print modes, subscription model selection, MCP, Agent Skills, project rules, structured output, and allow or deny policies for shell commands and file access.

16 first-party sources are indexed on the canonical product profile.

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Junie CLICoding harness; Coding agentactive18 primary sourcesChecked 2026-08-20

Coding harness
Coding agent
Proprietary

Official logo source

JetBrains' coding agent runs in the terminal, CI, JetBrains IDEs, and a tethered remote web UI with subscriptions, BYOK and local models, MCP, approval controls, Agent Skills, parallel sessions, Git worktrees, and specialized subagents.

18 first-party sources are indexed on the canonical product profile.

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Factory DroidCoding harness; Coding agentactive17 primary sourcesChecked 2026-08-12

Coding harness
Coding agent
Proprietary

Official logo source

Factory's proprietary agent combines an interactive CLI, structured headless execution, IDE integrations, many hosted or local models, MCP, custom subagents, worktrees, and tiered permission levels from read-only analysis to deployment workflows.

17 first-party sources are indexed on the canonical product profile.

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ForgeCodeCoding harness; Extensible harnessactive24 primary sourcesChecked 2026-07-27

Coding harness
Extensible harness
Apache-2.0

Official logo source

ForgeCode is an open terminal coding harness that works interactively or as a one-shot command. The audited source defines 47 provider entries spanning hosted APIs, subscription access, local endpoints, and a context engine, plus MCP, skills and delegated agents. It runs on your machine by default; its `--sandbox` option separates Git work but does not contain commands.

24 first-party sources are indexed on the canonical product profile.

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Qwen CodeCoding harness; Coding agentactive25 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
Apache-2.0

Official logo source

An Apache-2.0 terminal coding agent with persistent auto-memory, headless execution, hosted and local providers, MCP, specialized subagents, built-in desktop Computer Use, IDE integrations, checkpoints, and opt-in macOS or container isolation.

25 first-party sources are indexed on the canonical product profile.

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Continue CLICoding harness; Coding agentarchived4 primary sourcesChecked 2026-07-27

Coding harness
Coding agent
Apache-2.0

Official logo source

Continue's Apache-2.0 agent runs in the terminal, VS Code, and JetBrains with interactive or headless execution, reusable model and MCP configuration, and allow, ask, or exclude policies for every tool.

4 first-party sources are indexed on the canonical product profile.

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Mistral VibeCoding harness; Coding agentactive31 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
Apache-2.0

Official logo source

Mistral's Apache-2.0 coding harness combines an interactive CLI and ACP editor integration with local or hosted models, delegated subagents, MCP, skills, policy hooks, structured automation, durable sessions, and message-level file rewind.

31 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Kimi CodeCoding harness; Coding agentactive18 primary sourcesChecked 2026-08-20

Coding harness
Coding agent
MIT

Official logo source

Moonshot AI's MIT-licensed coding harness provides a terminal UI, structured print mode, multi-provider routing, MCP, skills, plugins, hooks, ACP editor integration, a local web service, installable Computer Use and WebBridge tooling, trace inspection, and parallel foreground or background subagents.

18 first-party sources are indexed on the canonical product profile.

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MiMo CodeCoding harness; Coding agentactive16 primary sourcesChecked 2026-08-20

Coding harness
Coding agent
MIT with use restrictions

Official logo source

A multi-provider terminal coding harness with repository tools, persistent project memory, automatic context compaction, primary and delegated agents, bounded workflow orchestration, headless and local web surfaces, MCP, skills, and Git-backed undo. It runs tools on the host: its permission policy and workflow runtime are controls, not an operating-system sandbox.

16 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Letta HarnessCoding harness; Extensible harnessactive29 primary sourcesChecked 2026-08-22

Coding harness
Extensible harness
Apache-2.0

Official logo source

The stateful open-source harness formerly called Letta Code, with git-backed self-editing memory, skills, MCP connectivity, trusted runtime mods, foreground or background subagents, headless execution, schedules, multi-provider access, and selectable local, remote, or managed cloud environments.

29 first-party sources are indexed on the canonical product profile.

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Kilo CodeCoding harness; Coding agentactive28 primary sourcesChecked 2026-08-20

Coding harness
Coding agent
MIT

Official logo source

An MIT-licensed, multi-provider coding agent for VS Code, JetBrains, terminal, browser-hosted cloud, and CI, with delegated subagents, MCP, browser automation, Git snapshots, and an opt-in macOS or Linux sandbox.

28 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Command CodeCoding harness; Coding agentactive20 primary sourcesChecked 2026-07-30

Coding harness
Coding agent
Proprietary

Official logo source

A multi-model terminal harness with interactive and headless modes, parallel subagents, MCP, policy-based permissions, worktrees, session checkpoints, hooks, skills, and IDE context integration.

20 first-party sources and 1 discovery records are indexed on the canonical product profile.

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CodebuffCoding harness; Extensible harnessactive16 primary sourcesChecked 2026-07-27

Coding harness
Extensible harness
Apache-2.0 code with hosted service

Official logo source

An open-source coding harness that coordinates specialized agents for finding files, editing, review, tests, research, and browser work. Use it interactively in the terminal or build deterministic agent workflows with its TypeScript SDK.

16 first-party sources and 1 discovery records are indexed on the canonical product profile.

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CrushCoding harness; Pair programmeractive20 primary sourcesChecked 2026-07-27

Coding harness
Pair programmer
FSL-1.1-MIT

Official logo source

A source-available terminal coding agent for interactive or scripted work, with multi-provider and local-model support, a Hyper subscription option, mid-session model switching, project sessions, LSP, MCP, skills, hooks, per-tool approvals, and parallel read-only research delegation.

20 first-party sources and 1 discovery records are indexed on the canonical product profile.

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XumCoding harness; Agent platformactive27 primary sourcesChecked 2026-08-22

Coding harness
Agent platform
AGPL-3.0

Official logo source

The open-source agent workspace formerly called Mux, for parallel coding tasks with custom agents, nested subagents, persistent scoped memory, compaction, MCP, local or container runtimes, policy files, editor integrations, and budgeted CLI goal runs.

27 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Coder AgentsCoding harness; Agent platformactive20 primary sourcesChecked 2026-07-27

Coding harness
Agent platform
AGPL-3.0 core with separately licensed enterprise components

Official logo source

A beta, self-hosted coding agent for teams already using Coder. It works from a web chat or API, can create approved workspaces, delegate parallel subagents, and use the models and tools configured by an administrator.

20 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Zoo CodeCoding harness; Coding agentactive28 primary sourcesChecked 2026-08-10

Coding harness
Coding agent
Apache-2.0

Official logo source

An Apache-licensed VS Code agent continuing the Roo Code lineage, with broad provider and subscription access, local models, custom modes, hierarchical subtasks, MCP, semantic indexing, worktree workflows, task history, and shadow-Git file checkpoints.

28 first-party sources and 1 discovery records are indexed on the canonical product profile.

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ZCodeCoding harness; Coding agentactive17 primary sourcesChecked 2026-08-02

Coding harness
Coding agent
Proprietary

Official logo source

A proprietary desktop agent environment with persistent goal state, independent completion checks, parallel and background subagents, scheduled tasks, scoped approvals, MCP, hooks, remote workspaces, and an integrated browser and review flow.

17 first-party sources and 1 discovery records are indexed on the canonical product profile.

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stagewiseCoding harness; Agent platformactive27 primary sourcesChecked 2026-07-27

Coding harness
Agent platform
AGPL-3.0

Official logo source

An open-source Electron desktop IDE that combines a full Chromium browser, multi-provider and local models, managed project context, granular diff review, and user-orchestrated parallel agent sessions.

27 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Hermes AgentCoding harness; General-purpose agentactive25 primary sourcesChecked 2026-07-27

Coding harness
General-purpose agent
MIT

Official logo source

An MIT-licensed general agent with terminal, desktop, web, API, and messaging surfaces; persistent memory and goals; coding and browser tools; nested parallel delegation; scheduled jobs; MCP; checkpoints; and local, container, SSH, or managed execution backends.

25 first-party sources and 1 discovery records are indexed on the canonical product profile.

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OpenClawCoding harness; General-purpose agentactive31 primary sourcesChecked 2026-08-10

Coding harness
General-purpose agent
MIT

Official logo source

An MIT-licensed general-purpose agent harness with an embedded model-and-tool loop, repository-capable file and shell tools, persistent memory and compaction, nested subagents, multi-agent routing, browser and MCP integrations, durable background automation, and optional container isolation.

31 first-party sources are indexed on the canonical product profile.

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mini-SWE-agentCoding harness; Coding agentactive23 primary sourcesChecked 2026-07-27

Coding harness
Coding agent
MIT

Official logo source

A deliberately small open-source software-engineering agent with one linear bash-only loop, confirm, yolo, and human control modes, versioned trajectories, local-model routing, optional isolated environments, and batch evaluation runners.

23 first-party sources are indexed on the canonical product profile.

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AmpCoding harness; Extensible harnessactive21 primary sourcesChecked 2026-08-02

Coding harness
Extensible harness
Proprietary

Official logo source

A proprietary multi-model coding agent with terminal, editor, and web control, non-interactive and runner modes, durable cloud orbs, schedules, event-driven webhooks, live multiplayer threads, MCP, skills, plugins, and built-in or programmable subagents.

21 first-party sources are indexed on the canonical product profile.

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Kiro CLICoding harness; Coding agentactive21 primary sourcesChecked 2026-08-02

Coding harness
Coding agent
Proprietary

Official logo source

A proprietary coding CLI with interactive and headless execution, custom and parallel agents, MCP, steering, hooks, resumable sessions, goal loops, and an optional classic checkpoint system; CLI 3.0 adds a separate early-access harness and policy format.

21 first-party sources are indexed on the canonical product profile.

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Poolside Agent CLICoding harness; Coding agentactive15 primary sourcesChecked 2026-07-30

Coding harness
Coding agent
Proprietary client

Official logo source

Poolside's proprietary-distribution CLI combines interactive and JSONL automation modes, ACP client and server roles, OpenRouter and local OpenAI-compatible models, MCP, skills, worktrees, structured trajectories, and optional local container sandboxes.

15 first-party sources are indexed on the canonical product profile.

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PlandexCoding harness; Coding agentdormant25 primary sourcesChecked 2026-07-27

Coding harness
Coding agent
MIT

Official logo source

An MIT-licensed terminal coding agent whose last public release was July 2025. Its maintained-era design combined persistent plans, project maps, model-role packs, cumulative diff review, command debugging, and rewind; the hosted cloud later wound down, so the remaining path is a dormant self-hosted codebase.

25 first-party sources are indexed on the canonical product profile.

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WakilCoding harness; Coding agentactive6 primary sourcesChecked 2026-08-02

Coding harness
Coding agent
Apache-2.0

Official logo source

An early-stage, model-agnostic terminal coding agent that defaults to a hardened Docker container, supports direct host execution, coordinates bounded subagents, offers configurable multi-model counsel and two-round debate panels, connects MCP and optional browser tools, and separates session state from a provenance-aware durable memory store.

6 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Deep Agents CodeCoding harness; Extensible harnessactive9 primary sourcesChecked 2026-08-22

Coding harness
Extensible harness
MIT

Official logo source

LangChain's terminal coding product built on Deep Agents and LangGraph, with an interactive TUI, non-interactive pipeline runner, custom subagents, MCP, local session checkpoints, persistent memory, approval gates, and integrations for managed remote sandboxes.

9 first-party sources and 1 discovery records are indexed on the canonical product profile.

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OpenSquillaCoding harness; Agent platformactive9 primary sourcesChecked 2026-07-28

Coding harness
Agent platform
Apache-2.0

Official logo source

An Apache-licensed general agent platform that qualifies as a coding harness through its adaptive tool loop, repository and shell tools, managed session context, and runtime permission modes. It adds delegated sessions, MCP bridging, one-shot CLI runs, replay diagnostics, memory, web and desktop surfaces, and multiple messaging channels.

9 first-party sources and 1 discovery records are indexed on the canonical product profile.

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PostQodeCoding harness; Extensible harnessactive8 primary sourcesChecked 2026-07-28

Coding harness
Extensible harness
Proprietary

Official logo source

A proprietary product with public versioned npm packages for its multi-turn agent loop, coding tool pack, persistent memory, headless runner, MCP client, browser automation, and lightweight terminal UI, plus an IDE-oriented product surface spanning multiple model providers.

8 first-party sources and 1 discovery records are indexed on the canonical product profile.

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KernCoding harness; General-purpose agentactive13 primary sourcesChecked 2026-08-22

Coding harness
General-purpose agent
MIT

Official logo source

A young MIT-licensed personal agent that qualifies as a coding harness through its iterative tool loop, repository and shell mutation, persistent JSONL and vector recall, tool scopes, background runtime, MCP, local Ollama path, and parallel read-only subagents across terminal, web, desktop, and messaging clients.

13 first-party sources and 1 discovery records are indexed on the canonical product profile.

Inspect all sources
GGCodeCoding harness; Coding agentactive22 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
MIT

Official logo source

An MIT-licensed coding harness whose Go runtime implements an adaptive model-and-tool loop, repository and shell mutation, automatic context compaction, project memory, resumable JSONL sessions, provider switching, subagents, persistent teammates, independent worktree workers, policy modes, hooks, traces, checkpoints, MCP, and browser automation.

22 first-party sources and 1 discovery records are indexed on the canonical product profile.

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AnteCoding harness; Coding agentactive17 primary sourcesChecked 2026-08-02

Coding harness
Coding agent
Apache-2.0 components; preview binary terms

Official logo source

An alpha terminal coding harness distributed as a self-contained binary, with repository and shell tools, explicit goal loops, automatic context compaction, persistent project memory, delegated subagents, local GGUF inference, MCP, skills, headless runs, and a structured server protocol. Local execution is host-first: permissions and tool filters govern calls but do not establish an operating-system sandbox.

17 first-party sources and 1 discovery records are indexed on the canonical product profile.

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ReasonixCoding harness; Coding agentactive28 primary sourcesChecked 2026-08-22

Coding harness
Coding agent
MIT

Official logo source

An MIT-licensed coding harness whose Rust runtime implements an adaptive model-and-tool loop, repository and shell mutation, automatic and transaction-safe context maintenance, durable project memory, delegated agents, MCP, skills, policy rules, OS shell sandboxing on supported platforms, persistent checkpoints, and structured headless execution. The same core is exposed through terminal, desktop, local web, editor, and automation surfaces.

28 first-party sources are indexed on the canonical product profile.

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CodeWhaleCoding harness; Coding agentactive16 primary sourcesChecked 2026-08-20

Coding harness
Coding agent
MIT

Official logo source

An MIT-licensed terminal coding harness with an adaptive tool loop, interactive and headless modes, persistent memory, branchable and resumable session trees, MCP and skills, local-model routes, optional OS or external sandboxes, and ledger-backed multi-worker fleets.

16 first-party sources are indexed on the canonical product profile.

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OpenHarnessCoding harness; Extensible harnessactive10 primary sourcesChecked 2026-08-02

Coding harness
Extensible harness
MIT

Official logo source

An MIT-licensed Python harness that owns a streaming tool loop, repository tools, compaction and persistent memory, permissions and hooks, optional OS or Docker sandboxes, provider and subscription routing, headless output, and multi-agent coordination.

10 first-party sources are indexed on the canonical product profile.

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SlateCoding harness; Coding agentactive8 primary sourcesChecked 2026-08-08

Coding harness
Coding agent
Proprietary

Official logo source

A proprietary coding harness from Random Labs for repository-scale terminal work, with provider and model-slot selection, granular tool permissions, session steering and resume, parallel and background subagents, reusable skills, MCP, long-running shells, headless structured output, and an HTTP server mode. Execution is host-first: permissions govern tool calls but the reviewed documentation does not establish an operating-system sandbox.

8 first-party sources and 1 discovery records are indexed on the canonical product profile.

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Spectral AgentCoding harness; Coding agentactive7 primary sourcesChecked 2026-08-08

Coding harness
Coding agent
MIT (published npm package)

Official logo source

A local coding harness from Aexol that reads and writes repository files, runs shell and Git commands, iterates toward explicit goals, compacts and recalls session context, delegates work to isolated-context subagents, and connects either through a terminal UI or a browser relay. Execution is host-first: the reviewed documentation does not establish an operating-system sandbox or a general tool-permission policy.

7 first-party sources and 1 discovery records are indexed on the canonical product profile.

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DeepSeek HarnessCoding harness; Extensible harnessactive15 primary sourcesChecked 2026-08-13

Coding harness
Extensible harness
MIT

Official logo source

DeepSeek AI's MIT-licensed developer-preview harness combines a local Web UI, a headless CLI, a Python SDK, multi-provider routing, durable sessions and compaction, policy-controlled repository tools, OS file-effect sandboxing, skills, optional MCP, and parallel or continuable subagents.

15 first-party sources are indexed on the canonical product profile.

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GUI evidence

Search interface coverage, compatibility, and provenance, then open the canonical GUI profile for the complete evidence ledger.

20 of 20 GUI records

AgetorMulti-harness workspace; Open sourceactive6 evidence recordsChecked 2026-08-13

Multi-harness workspace
Open source
MIT

A local kanban control plane for parallel Claude Code, Codex, experimental Cursor Agent, and Gemini CLI tasks, isolated worktrees, structured approvals, and review.

6 source, preview, and code-audit records are indexed on the canonical GUI profile.

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AionUiMulti-harness workspace; Open sourceactive6 evidence recordsChecked 2026-08-22

Multi-harness workspace
Open source
Apache-2.0

A cross-platform Cowork app for many named coding agents, parallel sessions, visual file changes, automation, and browser access.

6 source, preview, and code-audit records are indexed on the canonical GUI profile.

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AQMulti-harness workspace; Proprietaryactive4 evidence recordsChecked 2026-07-28

Multi-harness workspace
Proprietary
Proprietary

A browser-based, multiplayer workspace that runs agent CLIs on a team runner.

4 source, preview, and code-audit records are indexed on the canonical GUI profile.

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BlackcrabHarness-native GUI; Open sourceactive4 evidence recordsChecked 2026-08-02

Harness-native GUI
Open source
Apache-2.0

A native Claude Code workspace with searchable local history, up to six live panels, worktree-aware grids, diffs, terminal, and preview.

4 source, preview, and code-audit records are indexed on the canonical GUI profile.

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Claude Code DesktopHarness-native GUI; Proprietaryactive4 evidence recordsChecked 2026-07-28

Harness-native GUI
Proprietary
Proprietary

The Code tab in Claude Desktop, using the Claude Code engine with dedicated developer panes.

4 source, preview, and code-audit records are indexed on the canonical GUI profile.

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CodegMulti-harness workspace; Open sourceactive5 evidence recordsChecked 2026-08-22

Multi-harness workspace
Open source
Apache-2.0

A desktop, server, browser, and mobile workspace for many ACP coding agents, delegation, split views, worktrees, Git, and diffs.

5 source, preview, and code-audit records are indexed on the canonical GUI profile.

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Codex in ChatGPT DesktopHarness-native GUI; Proprietaryactive4 evidence recordsChecked 2026-07-28

Harness-native GUI
Proprietary
Proprietary

The dedicated Codex coding experience inside the ChatGPT desktop app.

4 source, preview, and code-audit records are indexed on the canonical GUI profile.

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ConductorMulti-harness workspace; Proprietaryactive3 evidence recordsChecked 2026-07-31

Multi-harness workspace
Proprietary
Proprietary

A Mac control plane for parallel coding agents in local worktrees or isolated cloud microVMs.

3 source, preview, and code-audit records are indexed on the canonical GUI profile.

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EmdashMulti-harness workspace; Open sourceactive3 evidence recordsChecked 2026-07-28

Multi-harness workspace
Open source
Apache-2.0

A local-first desktop environment for parallel coding agents, review, and issue-to-agent workflows.

3 source, preview, and code-audit records are indexed on the canonical GUI profile.

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HAPIMulti-harness workspace; Open sourceactive4 evidence recordsChecked 2026-08-02

Multi-harness workspace
Open source
AGPL-3.0

A local-first web, PWA, and Telegram control surface for handing off five coding-agent CLIs between terminal and remote devices.

4 source, preview, and code-audit records are indexed on the canonical GUI profile.

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MaestroMulti-harness workspace; Open sourceactive6 evidence recordsChecked 2026-08-05

Multi-harness workspace
Open source
AGPL-3.0

An open-source desktop workspace for running and coordinating multiple named coding agents across sessions and worktrees.

6 source, preview, and code-audit records are indexed on the canonical GUI profile.

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NimbalystMulti-harness workspace; Open sourceactive9 evidence recordsChecked 2026-08-22

Multi-harness workspace
Open source
MIT

A visual editor and session manager for agent work across documents, mockups, code, tasks, Git, and shared team artifacts.

9 source, preview, and code-audit records are indexed on the canonical GUI profile.

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OpenChamberHarness-native GUI; Open sourceactive4 evidence recordsChecked 2026-08-20

Harness-native GUI
Open source
MIT

An OpenCode-native workspace across desktop, web, editor, and mobile with multi-run worktrees, diff review, previews, GitHub flows, and remote access.

4 source, preview, and code-audit records are indexed on the canonical GUI profile.

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OpenHands Agent CanvasMulti-harness workspace; Open sourceactive6 evidence recordsChecked 2026-08-02

Multi-harness workspace
Open source
MIT

A visual OpenHands workspace for parallel agents, per-conversation worktrees, diffs, local or remote backends, automations, and ACP harnesses.

6 source, preview, and code-audit records are indexed on the canonical GUI profile.

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QMMulti-harness workspace; Open sourceactive5 evidence recordsChecked 2026-08-02

Multi-harness workspace
Open source
MIT

A self-hosted web and Slack control plane for scoped, durable agent work across four named harnesses.

5 source, preview, and code-audit records are indexed on the canonical GUI profile.

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Qwen Code DesktopHarness-native GUI; Open sourceactive7 evidence recordsChecked 2026-08-02

Harness-native GUI
Open source
Apache-2.0

The first-party Qwen Code desktop shell with multi-session and split views, optional worktrees, visual Git diffs, and a bundled local runtime.

7 source, preview, and code-audit records are indexed on the canonical GUI profile.

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SupersetMulti-harness workspace; Source availableactive7 evidence recordsChecked 2026-08-22

Multi-harness workspace
Source available
Elastic License 2.0

A local desktop code editor for many CLI agents running in isolated Git worktrees.

7 source, preview, and code-audit records are indexed on the canonical GUI profile.

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T3 CodeMulti-harness workspace; Open sourceactive4 evidence recordsChecked 2026-07-28

Multi-harness workspace
Open source
MIT

A minimal web and desktop GUI that presents five coding harnesses through one session model.

4 source, preview, and code-audit records are indexed on the canonical GUI profile.

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TraycerMulti-harness workspace; Open sourceactive8 evidence recordsChecked 2026-08-05

Multi-harness workspace
Open source
MIT

An open-source desktop control plane for multi-provider agent tasks with shared context, worktrees, diffs, remote hosts, and team access.

8 source, preview, and code-audit records are indexed on the canonical GUI profile.

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webmuxMulti-harness workspace; Open sourceactive6 evidence recordsChecked 2026-07-28

Multi-harness workspace
Open source
MIT

A self-hosted browser dashboard that owns worktrees, tmux layouts, agent events, services, and optional containers.

6 source, preview, and code-audit records are indexed on the canonical GUI profile.

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Discovery watchlist

Products stay outside the ranked catalog until first-party evidence supports a complete coding-harness profile.