Browse MCP servers

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

4 matching

filtered by io.github.zekebuilds-lab clear all

Showing 1–4 of 4 servers

mcp pay gate
stdio

io.github.zekebuilds-lab/mcp-pay-gate

Dual-rail Lightning paywall for MCP servers: accepts L402 and x402 bip122/exact, one LNBits backend.

official 1 secrets
mcp l402 gate
stdio

io.github.zekebuilds-lab/mcp-l402-gate

L402 Lightning paywall + DoI score gate for MCP tools: challenge, verify, score.

official 2 secrets
mcp identity
stdio

io.github.zekebuilds-lab/mcp-identity

DoI score lookup, vouch event builder, and offline schnorr verify for AI agents.

official 2 secrets
captcha mcp
stdio

io.github.zekebuilds-lab/captcha-mcp

Charge AI agents per-call without accounts. PoW solve = free tier, Lightning = paid tier.

official 1 secrets

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