"OpenAI API Documentation" matching MCP connectors:

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

For queries a model can't confidently place: resolves or declines. Built to decline, not guess.

One MCP endpoint over 75 public PPN APIs: search_apis to discover, execute_api to call. Free tier.

Search 30,000+ decided U.S. security-clearance (DOHA) decisions: cases, outcomes, statistics, and timelines, with a citable link for every answer. CASE is the searchable public record of DOHA industrial security-clearance decisions from 1996 to the present, refreshed nightly.

AI-readable directory of 3,500+ local businesses across 14 Southeast Asian cities.

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

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

Search the AI Tool Directory catalog: tool details, status checks (alive/acquired/deceased + cause and date), alternatives, and side-by-side comparisons. Read-only.

Recherche d'offres de stage et d'alternance en France via le réseau iQuesta.com

Product search and price comparison for AI agents. Search 100M+ products across thousands of retailers by text or image, compare live offers and prices, and turn any merchant URL into structured product data. No API key required to start; add one for unlimited use and affiliate commission.

Find the stories worth writing about: discover emerging stories, rank the angle, draft from sources.

Docs: https://docs.keenable.ai/mcp-server Keenable is a free, remote MCP server that gives agents access to the web index. Search the web with ranked results and date/site filters, then fetch any indexed page as clean markdown. Works out of the box with no account or API key.

A quant-factor brain for your AI — factor scores, similarity search, and risk-coherence analogues for 14,684 tickers across 6 asset classes

Search Recruiter Roles: live recruiter jobs, companies, sectors, locations, and market stats.

A semantic search server that gives AI assistants instant access to Dodo Payments documentation and knowledge base.

Honeydew AI Documentation MCP — semantic search and ripgrep-grade filesystem queries over Honeydew AI docs and OpenAPI specs, for AI coding agents.

MCP server for makeup.land — an Israeli professional cosmetics retailer. Catalog tools (list_products with cross-lingual semantic search and ΔE-ranked shade matching that returns shade_match: {hex, delta_e} per product, plus validate_gift_card) work anonymously. Customer-data tools (list_brands, get_customer, get_cart, list_orders, list_payment_links, get_customer_best_deals) need a bearer token issued via shop@makeup.land.

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

Official MCP server providing AI assistants with direct access to Stimulsoft Reports & Dashboards developer documentation. Enables semantic search across FAQ, Programming Manual, Server Manual, User Manual, and Server/Cloud API references across all Stimulsoft platforms (.NET, WPF, Avalonia, WEB, Blazor, Angular, React, JS, PHP, Java, Python).

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.