Browse MCP servers

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

3 matching

filtered by io.github.ultrastarz clear all

Showing 1–3 of 3 servers

Tollkit Crypto
streamable-http

io.github.ultrastarz/tollkit-crypto

Crypto news, perps, market pulse, price history and token checks for AI agents. USDC per call.

official 13 tools
Tollkit
streamable-http

io.github.ultrastarz/x402-extract

Web search, pages and PDFs, crypto market data, SEC filings and weather for agents. USDC per call.

official 40 tools
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