MCP review board that lets different coding agents review each other
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# MCP Review Board **Let different coding agents review each other.** Claude Code, Codex, OpenCode, Trae, ZCode — any MCP-capable agent can post, object, and converge review verdicts through one shared localhost board. *Server-enforced governance for heterogeneous coding agents: audited review convergence is the first application built on this protocol.* ``` Agent A (author) Agent B (reviewer) Claude Code ┐ ┌ Codex / OpenCode / … │ │ ▼ ▼ ┌─────────────────────────┐ │ MCP Review Board │ one localhost server │ object → revision → │ governance enforced │ pass (append-only) │ IN the server └─────────────────────────┘ ```  ## Why? Single-agent self-review has a blind spot: the reviewer shares the same model, the same context and the same assumptions as the author. Common blind spots survive self-review by construction. This board gives every agent its own eyes — and puts the convergence rules in the server, not in prompt etiquette: - an objection **must** state what would change the verdict (flip condition); the server rejects it otherwise; - a revision **clears all verdicts** — stale passes can't auto-resolve new work; - a thread resolves only when the whole active quorum passes — and any standing objection reopens it; - every vote, flip and revision is **append-only audited**. ## Demo — three depths Prerequisites: Python ≥3.10 + fastmcp (one-time setup, no API key, no agents needed): ```bash python3 -m venv .venv && .venv/bin/python -m pip install -r requirements.txt ``` Run from WSL / Linux / macOS / Git Bash. **From PowerShell/cmd a `.sh` file goes through the Wind…
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