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Model Ledger

MCP server · by block

Developer Tools
Python
v0.7.13

Model inventory and governance: trace deployed models and their dependencies as an append-only log

View source ↗Website ↗More servers

Install

Run one of the commands below, then add the client config underneath.

Python
uvx model-ledger

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers
{
  "mcpServers": {
    "model-ledger": {
      "command": "uvx",
      "args": [
        "model-ledger"
      ]
    }
  }
}

About this server

Model Ledger is listed in the Developer Tools category of the MCPNav directory. It is distributed as Python and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the Model Ledger MCP server?＋

Model Ledger is an MCP server by block. Model inventory and governance: trace deployed models and their dependencies as an append-only log

How do I install Model Ledger?＋

Install it with: uvx model-ledger. Then add the JSON config to your client's MCP settings and restart the client.

Is Model Ledger free to use?＋

The MCP server itself is free to install. The source is public on https://github.com/block/model-ledger. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support Model Ledger?＋

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.