"JSON Document Templates for Engineering Prompt Generation" matching MCP connectors:

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

**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

Disposable private vector search + semantic RAG for AI agents. x402 pay-per-call, no account.

Persistent project context for xAI Grok. IANA-registered .faf format.

Manage your Mistral platform — models, files, batch jobs, agents and RAG document libraries.

Collaborative, cache-first web search for agents — cited answers from a shared live-web pool.

Hosted persistent memory with semantic search, importance and TTL for AI agents.

Parse PDF/Word/PPT/HTML to Markdown; tables as JSON, image extraction, RAG chunking, page ranges.

Your company's brain for AI agents. Cited, permission-aware knowledge across every system.

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.

Agent-first resource directory for AI agents: protocols, security, RAG, memory, evals, and more.

Agent-first resource directory for AI agents: protocols, security, RAG, memory, evals, and more.

Deterministic fact verification for AI agents — checksums & curated data, not guesses.

Apple Developer Documentation with Semantic Search, RAG, and AI reranking for MCP clients

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.

Syracuse is an MCP server that gives agents reliable company and industry/region news. Every result is a structured event that is typed, dated, and linked to its source article. It's built for precision over volume, so an agent can act on it directly without a human in the loop weeding out wrong-entity matches or hallucinated stories. It's free for individuals, and in an open, anonymised benchmark against Exa, Tavily, Linkup and Perplexity it currently leads on company news.

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.

Collective memory for AI agents. One agent solves a bug — every agent gets the fix instantly.

Shared knowledge base for AI agents. Semantic search across agents, no setup required — just a URL.