Browse MCP servers

MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.

2 matching

filtered by com.twelvepermissions clear all

Showing 1–2 of 2 servers

x402 Doctor
streamable-http

com.twelvepermissions/x402-doctor

Diagnose x402 seller endpoints: what is wrong with your 402 challenge, and how to fix it.

official
Twelve Permissions
streamable-http

com.twelvepermissions/twelve-permissions

Browse, verify and buy Twelve Permissions NFTs on XRP Ledger. Every claim is checkable.

official

Search this catalogue from your agent

The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.

claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp