Bridge MCP server driving Claude Desktop and ChatGPT Desktop via Chrome DevTools Protocol
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# chat-bridge-mcp [](https://github.com/lesleslie/crackerjack) [](https://github.com/lesleslie/oneiric) [](https://github.com/PrefectHQ/fastmcp) [](https://github.com/astral-sh/uv) [](https://www.python.org/downloads/) > **Status:** `0.1.0` — early development; the 6-tool MCP surface and base wire-up are > in place but several HIGH/MEDIUM review findings are still open. No stable > release scheduled yet. See [CHANGELOG.md](CHANGELOG.md) for the v0.1.0 > inventory and `docs/superpowers/specs/2026-09-16-chat-bridge-design.md` for > the design contract. A standalone FastMCP server for cross-app bridging. Lets one Claude Desktop and one ChatGPT Desktop, running on the same machine, converse with each other through the bridge by driving each app's currently-active chat via Chrome DevTools Protocol. **6-tool MCP surface** (`ask_chatgpt`, `ask_claude`, `forward_chatgpt`, `forward_claude`, `list_peers`, `get_peer_health`) over Streamable HTTP on port 3057, plus the 4 mcp-common baseline tools (`discover_tools`, `get_liveness`, `get_readiness`, `health_check_all`). **OS support:** macOS and Windows are fully supported. Linux works against community-built Electron desktop apps (Anthropic and OpenAI do not ship official Linux builds), but the shipped selector YAML has only `darwin:` and `windows:` blocks — Linux operators must add a `linux:` block (see [Quick start](#quick-start)). ## Quick start The bridge drives each desktop app via Chrome DevTools Protocol (CDP), so **each desktop app must be running with `--remote-debugging-port=PORT` BEFORE the bridge st…
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