@ZengLiangYi
Basic information
No overview available yet
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"chatcrystal": {
"command": "crystal",
"args": [
"mcp"
]
}
}
}Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.
ChatCrystal collects conversations from AI coding tools (Claude Code, Cursor, Codex CLI, Trae, GitHub Copilot), distills them into structured notes using LLMs, and builds a local searchable knowledge base from your real problem-solving history. It is for developers who want to turn AI-assisted coding conversations into reusable knowledge.
Install the Windows desktop app from GitHub Releases, or run npm install -g chatcrystal and use crystal serve -d plus crystal import to start a CLI/Web server at http://localhost:3721. For a Docker cloud deployment, clone the repo and run docker compose up -d. Configure an LLM provider and an embedding provider in Settings, then import conversations from supported tools.
It stores normalized conversations and structured notes locally. In the Docker cloud deployment, data lives in the `chatcrystal-data` volume at `/data` inside the container. The CLI scans local histories, parses them locally, and uploads normalized conversations to the cloud—the cloud never scans the local filesystem.
Node.js >=20 is required. You also need an LLM provider for summarization and an embedding provider for semantic search. Large language models and embedding models are configured separately.
In Docker cloud, on first start without `CHATCRYSTAL_API_TOKEN`, you enter a setup code from container logs via the Web UI and choose a shared API token. The token can be rotated using `crystal token rotate`. If `CHATCRYSTAL_API_TOKEN` is set, it overrides stored auth.
Yes. Run `crystal mcp` to start the MCP stdio server. See [docs/MCP.md](docs/MCP.md) for more details.
Yes. Supported sources include Claude Code, Cursor, Codex CLI, Trae, and GitHub Copilot. You import from a device using `crystal import` or the desktop app.
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