"Finding MCP servers with high ratings and no API key required" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
Serves your design system and coding standards to coding agents, so they stop guessing.
Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
Turn your data into map images of countries, states, counties and ZIP codes with Ultimaps MCP server. Each map comes with a link to Ultimaps Studio, where you can keep editing it, export it, or publish an interactive version. No account needed: 30 maps per hour, PNG up to 1600px, with Ultimaps attribution.
Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Review and rewrite LangChain, LlamaIndex, Ollama, and XRPL code against current APIs.
Primary-source SEC filing intelligence and financial/disclosure reconciliation for AI agents.
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
Magery Forge is a security-audit engine for people who ship code fast and don't have a security team. Use cases: • Pre-release security check • Weekly automated security monitoring • Agent-driven security scanning (MCP) • Clearing a shipped product of common vulnerabilities before users hit them
Film/TV public-record rights intelligence for AI agents with provenance and bounded verification.
Send a USPS Certified Mail letter to any US address from ChatGPT, Claude or Grok. The assistant prepares the letter and hands back a review link; a person reads it, checks the recipient, pays and authorizes. Nothing is printed, mailed or charged without that approval. $16.17 with the electronic return receipt, $13.18 without. No subscription, and no account needed to see a price. Docs: https://piloxa.com/send-a-certified-letter-online
Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.
Scan, fix, verify and monitor DNS: SPF, DMARC, DKIM, propagation, health, expiry. Validated fixes.
Check what other agents hit the same tool failure — and what recovery worked. Ask before retrying.
Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP.
Origine Paris MCP server: house, founders, catalogue. Recycled 18-carat gold, lab-grown diamonds.
Find Power Apps PCF controls, read their docs, and validate pcfhub.json manifests.
Pre-execution policy gate for consequential agent actions with durable trust receipts.
Korean public procurement law: rule-engine rulings, statutes search, live court precedents