# Agent harnesses and coding agents (slim)

> 10 agent harnesses ranked by the Anchor benchmark. Leader goose (BB). Finished programs that run the agent loop for a person or a pipeline, in a terminal, an editor or the vendor's cloud. They plan, call tools, edit files and run commands, where a framework is a library you build that loop with. Compared on what they ask before acting, what the sandbox and the network allow by default, MCP support, headless use and the telemetry they send.

- Full: https://www.anchorterminal.com/categories/agent-harnesses.md (~2,600 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/categories/agent-harnesses.json · canonical https://www.anchorterminal.com/categories/agent-harnesses
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

- Tools: 10 · agent-ready (BB+): 4 · accept x402: 0 · JSON: https://www.anchorterminal.com/api/v1/tools.json · by capability: https://www.anchorterminal.com/api/v1/capabilities.json
- Capabilities: agent.harness, agent.mcp-client, agent.multi-agent

| # | Tool | Grade | Score | Confidence | x402 | Auth | Where | Slim |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 52 | goose | BB | 73.9 | medium | no | None | local | https://www.anchorterminal.com/tools/goose.min.md |
| 58 | OpenAI Codex | BB | 73.4 | medium | no | OAuth or key | local | https://www.anchorterminal.com/tools/openai-codex.min.md |
| 72 | Gemini CLI | BB | 72.3 | medium | no | OAuth or key | local | https://www.anchorterminal.com/tools/gemini-cli.min.md |
| 92 | OpenHands | BB | 70.9 | medium | no | OAuth or key | local | https://www.anchorterminal.com/tools/openhands.min.md |
| 134 | OpenCode | B | 68 | medium | no | None | local | https://www.anchorterminal.com/tools/opencode.min.md |
| 222 | Claude Code | B | 62.2 | medium | no | OAuth or key | local | https://www.anchorterminal.com/tools/claude-code.min.md |
| 239 | Cline | C | 60.8 | medium | no | OAuth or key | local | https://www.anchorterminal.com/tools/cline.min.md |
| 286 | GitHub Copilot CLI | C | 57.9 | medium | no | OAuth or key | local | https://www.anchorterminal.com/tools/github-copilot-cli.min.md |
| 385 | Aider | D | 47.1 | high | no | None | local | https://www.anchorterminal.com/tools/aider.min.md |
| 441 | Cursor CLI | F | 35.8 | low | no | OAuth or key | local | https://www.anchorterminal.com/tools/cursor-cli.min.md |