One for Claude Code

ai.withone/mcp

Search, document and execute authenticated API calls across 700+ apps via one MCP server

client:Claude Code transport:streamable-http runtime:npm

Install One in Claude Code

run in your project directory

claude mcp add --transport http mcp https://mcp.withone.ai/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs