Rail MCP Server

Rail is an MCP integration. Budgets, propose-then-approve, and receipts for agents that buy for a human. Dry-run by default.

Packages and local setup

The published npm package is rail-mcp, version 0.1.1. Its declared MCP transport is stdio.

The package declares RAIL_DATA_DIR: Directory for the local ledger (budget, proposals, receipts). Defaults to ~/.rail in the user home directory. Set to override..

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 0.1.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related other integrations MCP servers for tools that cover the same kind of work.