Browse MCP servers

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

2 matching

filtered by io.github.ultrastarz clear all

Showing 1–2 of 2 servers

Tollkit
streamable-http

io.github.ultrastarz/x402-extract

Extract product data, or notarize what a page said. Paid per call in USDC, no signup or API key.

official
x402 sms
stdio

io.github.ultrastarz/x402-sms

Pay-per-call MCP server. $0.03 USDC sends one transactional SMS to a US phone number via x402.

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