"Techniques for Writing Files More Efficiently" matching MCP connectors:

Trust layer for AI agents: signed delegation decisions, passports, and 16 verified guest tools.

Concierge for AI agents: takes action in the physical world — book, order, register, resolve.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

OneHaus household tools: tasks, calendar, contacts, pets, vehicles, documents and more.

Structured aquarium, marine, terrarium and paludarium data for AI agents.

CatchAll is a web search API built for comprehensive event retrieval — not ranked results, but all matching records.

Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).

Public data intelligence for AI agents — CVE, compliance, patents, contracts, domains.

Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev

Household finance memory, budgets, transactions, and monthly reviews for AI assistants.

MCP server for GOV.UK — search, content retrieval, organisation lookup, and postcode resolution.

DMARC analytics for AI assistants — domain health, SPF/DKIM records, compliance stats, anomalies.

MCP server for German & EU law. Verified, citable legal context for any LLM. Daily updates from official sources, hosted in Germany

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Public MCP discovery for Blocksize market data, pricing, and docs.

Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.

The only News based AI MCP your agents will ever need — custom categories, global regions, and time-scoped results in one tool. We use multi-vector & sparse-hybrid search to search through thousands of articles across the world to find the exact news you're looking for.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

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Secureship MCP gives AI assistants access to a multi-carrier shipping API covering rate comparison, label generation, package tracking, pickup scheduling, address book management, shipment history, customs documents, and more — across carriers like UPS, FedEx, Purolator, Canpar, and others. Browse 150+ live endpoint schemas, parameters, and auth details — always current, never stale.