"How to manage and use Google Calendar efficiently" matching MCP connectors:

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.

Search domain availability and pricing, straight from chat, then open a link to register.

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Uptime monitoring: create and manage HTTP, API, SSL, ping, port and domain checks

Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.

Shared, governed long-term memory for AI agents across tools and sessions via MCP and REST.

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Goal decomposition where every "done" is proven by evidence and checked by a judge.

Free: turn your AI chats into spaced-repetition vocabulary. 13 tools, reads and writes.

SSRF-safe web intelligence: 4 outcomes, 43 paid x402 tools, 3 free tools and a URL preview.

Enumerate and inspect PubFi capabilities, then execute an exact selected route.

Manage products, EU Digital Product Passports, operator parties, and GS1 EPCIS supply-chain events.

Government tender search for AI agents. UK, EU and US procurement opportunities.

Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

Company intelligence via UK Companies House and risk screening across 386 risk data sources.

Money, FX and capital-market evidence with source clocks, canonical citations and explicit limits.

Riddle.com is a no-code platform for quizzes, surveys, personality tests, prediction games, interactive graphics, and leaderboards. Use the MCP to create, edit and analyze content.

Daily editorials, exit costs, depth concentration, tiers, and sealed records. No commodity futures.