Polyagent MCP — AI skill for Claude Code
Let any AI agent (Claude Code, Codex, Gemini/Antigravity) delegate to the Cursor CLI agent via MCP: cheap/fast coding tasks, codebase exploration & web lookup — with model + effort control and session.
How to install Polyagent MCP
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open JaimeJunr/polyagent-mcp and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Polyagent MCP does
Let any AI agent (Claude Code, Codex, Gemini/Antigravity) delegate to the Cursor CLI agent via MCP: cheap/fast coding tasks, codebase exploration & web lookup — with model + effort control and session follow-up.
Alternatives in AI
- Browserwing — BrowserWing turns your browser actions into MCP commands Or Claude Skill, allowing AI agents to control browse 1.2k ★
- Claude Delegator — Delegate tasks to Codex GPT 5.2 directly from within Claude Code 909 ★
- System One Connector — System One MCP connector to evaluate anything fast and cheap 340 ★
README
polyagent-mcp
MCP server that lets **any** agent or MCP host delegate to headless **Codex, Grok, and Claude Code CLIs**, with Cursor available as an opt-in fallback. Use the fleet for implementation, planning, and project exploration without burning the caller's context on raw worker output.
Worker tools take optional **model** and **effort** overrides, return a `session_id`, and support `follow_up`. Difficulty levels select a distinct default model across the three active subscriptions.
Tools
The server exposes ten tools:
| Tool | Purpose |
|---|---|
delegate |
Run a task with full read/edit/shell access in cwd. Required level: 1=GPT-5.6 Luna max (codex), 2=Grok 4.5 high (grok), 3=GPT-5.6 Sol xhigh (codex), 4=Grok 4.6 high (grok), 5=Opus max (claude). Optionally accepts an agent persona by name or inline {prompt}. |
fast_delegate |
Same full read/edit/shell access as delegate, but with no level to pick: it routes to whichever CLI is currently the fastest and healthy. Optionally accepts an agent persona. |
explore |
Read-only exploration on Codex with gpt-5.6-luna. question alone → broad fan-out search returning file:line refs; question+files → answer about those files; neither → general project map. breadth: "thorough" sweeps wider. Locates, does not review. |
read_slice |
Surgical read-only read: returns ONLY the code relevant to want (exact lines with file:line) from the given files — the full file never enters your context. Use instead of reading large files whole. |
run_filtered |
Run a shell command through Codex/Luna with full access and get back ONLY the lines relevant to want — semantic filtering of huge build/test/log output. |
web_lookup |
Web/docs lookup through Codex/Luna with real web search enabled and a read-only filesystem. |
generate_image |
Generate or edit an image through Codex's built-in image tool and save it inside cwd. |
fan_out |
Run the SAM |
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