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mcp/harbor
Claude Code

402MCP.org — HTTP 402 & Agent Payment Registry for Claude Code

org.402mcp/registry

Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.

client:Claude Code transport:streamable-http runtime:npm tools:7

Install 402MCP.org — HTTP 402 & Agent Payment Registry in Claude Code

run in your project directory 

claude mcp add --transport http registry https://402mcp.org/api/v1/mcp

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

What Claude Code can do once it is connected

402MCP.org — HTTP 402 & Agent Payment Registry in other clients

402MCP.org — HTTP 402 & Agent Payment Registry MCP server