crosscheck for Claude.ai

com.crosscheckapi/crosscheck

Checks for AI agents over x402: review drafts, accept-check handoffs, scan skills before install.

client:Claude.ai transport:streamable-http runtime:npm tools:5

Install crosscheck in Claude.ai

Settings → Connectors → Add custom connector

https://crosscheckapi.com/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

check
accept
skillcheck
skillcheck_lookup
result

crosscheck in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

crosscheck MCP server