How do I install ChatCrystal?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is ChatCrystal official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

ChatCrystal MCP Server | MCPpedia

ChatCrystal MCP Server

Name: ChatCrystal MCP Server
Author: zengliangyi

Local-first AI PKM memory for coding conversations.

Tools Versions Alternatives

Registryzengliangyi

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "zengliangyi-server": {
      "command": "npx",
      "args": [
        "-y",
        "chatcrystal@0.6.1"
      ],
      "env": {
        "CHATCRYSTAL_BASE_URL": "",
        "CHATCRYSTAL_API_TOKEN": "YOUR_CHATCRYSTAL_API_TOKEN"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
CHATCRYSTAL_BASE_URL	No	Optional ChatCrystal Core URL. Leave empty to use the local default at http://localhost:3721.
CHATCRYSTAL_API_TOKEN	No	Optional token for a protected ChatCrystal Cloud or remote instance. Secret.

ChatCrystal MCP Server

Install

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Environment

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