Security

Asana MCP — wraps the Asana REST API (OAuth)

AniList MCP — wraps AniList GraphQL API (free, no auth)

CATAAS MCP — Cat as a Service (free, no auth)

D&D 5e MCP — wraps the D&D 5th Edition API (free, no auth)

Wikipedia MCP — wraps Wikipedia REST API (free, no auth)

Blockchain RPC for 125+ chains: endpoints, method support, probing and RPC calls with your key.

Pre-spend trust for AI agents that buy: check x402 services and product listings before paying.

EmojiHub MCP — wraps EmojiHub API (free, no auth)

FERC Electric Quarterly Reports (EQR) — wholesale power sales: who sells

Books MCP — wraps Open Library API (free, no auth)

Cocktails MCP — TheCocktailDB API (free, no auth)

EPA ECHO MCP — wraps EPA ECHO Web Services (free, no auth)

Push notifications for AI agents - send instant iPhone notifications from any MCP client.

Flood MCP — wraps Open-Meteo Flood API (free, no auth)

Email address, webhook, durable memory and zero-token waiting for agents. Paid in USDC via x402.

MCP server for secureFlows: token-free URL builders and integration-linting tools for AI agents.

Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /re…

Pay-per-call onchain intelligence for AI trading agents: token safety / honeypot / rug check, pre-trade check, whale and smart-money flows, token unlocks, swap MEV risk, Aave liquidation risk, approvals audit, gas, yields, DAO governance. x402 v2, USDC on Base, no API key; free demos and a free /re…

26 pay-per-call tools for agents: scrape, verify, guards, crypto. x402 USDC on Base.

Turn a portrait into a compliant passport, visa or ID photo. 300+ official specs, 3 free a day.