"OpenAI API Documentation" matching MCP connectors:
Matching Connector Tools:
Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 38 tools.
For queries a model can't confidently place: resolves or declines. Built to decline, not guess.
A semantic search server that gives AI assistants instant access to Dodo Payments documentation and knowledge base.
**ColdState Knowledge Search MCP Server** https://github.com/daniel-coldstate/coldstate-mcp Semantic search over 64.6M knowledge entries — the structured alternative to web search APIs and web scraping for LLM agents. No crawling, no rate limits, sub-3s responses. Cloud-hosted at services.coldstate.ai
Persistent semantic memory for AI agents: store and recall text by meaning (RAG). x402
NVIDIA AI knowledge graphs — 20 domains. 4x F1, 11x fewer tokens, SHA-256 provenance. MCP-native.
Build and run grounded business agents over MCP: agents, knowledge bases, skills, Storylines.
AI session memory: the brief your AI reads before every session so no session starts cold.
Extract PDFs to Markdown, RAG chunks and cited tables; publish tracked Doc Links with read stats.
Hosted persistent memory with semantic search, importance and TTL for AI agents.
Generate 18 AI readiness files (llms.txt, ai.txt, RAG indexes, schema) for any website.
Historical market memory for AI agents using semantic vector search across years of financial market data. Discover similar market regimes, price patterns, and market context for quantitative research and algorithmic trading.
Apple Developer Documentation with Semantic Search, RAG, and AI reranking for MCP clients
Kannada/English Carnatic flute KSGMS syllabus — search lessons, log practice, ask a RAG guru.
Multilingual YouTube → Knowledge Pack engine. Paste a video URL and get a structured pack — summary, key ideas, glossary, quiz, transcript with timestamps — in Spanish, Portuguese, German, or English. Anonymous endpoint plus OAuth-gated tools for library search, RAG Q&A on a single pack, and Anki export.
Semantic search over a 200-chunk ACLM lifestyle medicine knowledge base.
The world's first named AI prompt quality score. Score, optimize, and compare LLM prompts before they hit any model. Free tier available. Built on PEEM, RAGAS, G-Eval, and MT-Bench frameworks. x402-native on Base.
LLM caching proxy (x402 USDC on Base) - exact + semantic cache. Free health.