Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
9 matching
Showing 1–9 of 9 servers
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presign-guard wallet
streamable-httpio.github.fizzl13/presign-guard-wallet
Agent wallet with limits: pays x402/MPP on Base, Solana, Tempo, XRPL and Algorand; phone approval.
official 25 secrets -
Agent Safety Index
streamable-httpio.github.fizzl13/agent-safety-index
Is this AI agent safe with a wallet? Signed x402 Agent Safety exam results, and live demos.
official 4 tools -
PayPal, guarded
stdioio.github.fizzl13/paypal-guard
PayPal's Agent Toolkit with limits on refunds and the owner's Approve/Deny above them.
official 13 secrets -
Ichimoku Signal
streamable-httpio.github.fizzl13/ichimoku-signal
Free Ichimoku trend; paid signals, levels, scan, setups and Telegram signal alerts via x402.
official 10 tools -
AgentFuel
streamable-httpio.github.fizzl13/agentfuel
Safety checks for trading bots: Solana and Robinhood Chain rug-checks, launch feed, safe_buy.
official 9 tools -
presign-guard
streamable-httpio.github.fizzl13/presign-guard
Safe to sign? EVM/Solana/XRPL/Algorand/Stellar txs, permits, tokens; OFAC screen: green/orange/red
official 10 tools -
Fizzl Buy
streamable-httpio.github.fizzl13/fizzl-buy
Say what your agent needs: Fizzl buys the right paid x402 API, checks the answer. Free pick.
official 3 tools -
x402 Doctor
streamable-httpio.github.fizzl13/x402-doctor
Is this x402/MPP API safe to pay? $0.001 preflight, fixes, a $0.25 test purchase. Free quick check.
official 15 tools -
PlainText Wallet Approval Checker
streamable-httpio.github.fizzl13/plaintext-wallet-checker
Explains wallet approvals and signature requests in plain language: SAFE, CAUTION or RISK.
official 3 tools
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