"A server to manage API rate limiting based on requests per minute" matching MCP connectors:

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

Agent402: 500+ pay-per-call tools for agents over x402 + MPP or free via PoW. Agentic Finance

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Analytical memory for AI agents: a real Postgres queried in plain English over MCP. One command.

Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.

Read any page or file as clean text, plus live news, weather, market holidays and timezone lookups for agents. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

SEO research SaaS exposed as 30+ MCP tools. Forge niche analysis, plans, and writer-ready briefs.

Scores a business's online presence 0–100 and names the top issues to fix — search visibility, whether AI assistants can read and recommend it, speed and first impression, trust, and how easy the business is to reach. Give the scan_website tool a URL and it returns the score with the top issues, in chat. English and Arabic. By BottleTech (bottletech.net).

A connector providing AI assistants searchable access to climate-aligned contract clauses, glossary terms, and practical guides from The Chancery Lane Project's curated knowledge graph.

Official MCP: continuous supply-chain risk monitoring and early warning, not a one-off report. Register and create a key at https://supplygraph.ai/zk_chat_os/dashboard/dashboard.html — if you are not signed in you will be redirected to login; new users can register there. After login, open A2A / MCP and click Create Production Key or Create Sandbox Key. Send the header as Bearer <api_key> (one Bearer prefix, then the raw key). Optional for initialize and tools/list; required for tools/call.

Cães e gatos para adoção no Brasil, de ONGs e protetores. Busque por cidade, porte, idade e saúde.

Live Australian grocery prices from Woolworths, Coles, Aldi and Harris Farm.

Check how much real depth Armasourcing's vetted Filipino virtual assistant pool has for a specific role, skills and timezone, and understand how hiring and engagement work. Returns aggregate pool statistics only, no candidate names, no profiles, and no pricing, and ends in a free discovery call booking.

Find 76,000+ curated healthcare service vendors across 25 categories and all 50 US states.

Verified US local service providers across 10 home-services trades. Ratings, hours, no API key.

Zillow MCP for AI agents: property data, Zestimates & listings — 300+ fields per home. Free tier.

Search meetings, export summaries and transcripts, and manage recordings from any AI tool.

Hosted MCP memory: save sessions/decisions once, search from Claude, Cursor, ChatGPT. EU-hosted FTS.

Search and compare attributed recipe records through a public read-only remote MCP endpoint.

One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.