Crosscheck MCP Server

Crosscheck is an MCP integration. Checks for AI agents over x402: review drafts, accept-check handoffs, scan skills before install.

Hosted connection

The registry lists a streamable-http connection at https://crosscheckapi.com/mcp.

Packages and local setup

The published npm package is crosscheckapi, version 0.5.5. Its declared MCP transport is stdio.

The package declares CROSSCHECK_WALLET_KEY: Private key of a dedicated EVM wallet with a few dollars of USDC on Base (or test USDC on Base Sepolia). Pays for checks.; CROSSCHECK_MAX_USD: Refuse to pay more than this per check. Default 0.10.; CROSSCHECK_NETWORKS: Networks to pay on, in order of preference. Default eip155:8453,eip155:84532. Set eip155:84532 for test USDC only..

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 0.5.5 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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