"Resources or Information for Becoming or Hiring a Unity Developer" matching MCP connectors:

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.

MCP server for German & EU law. Verified, citable legal context for any LLM. Daily updates from official sources, hosted in Germany

AI-first file sharing and collaboration. 251 tools give agents a full workspace: file storage, branded shares, comments, workflows, and built-in RAG. 50GB free, no credit card.

**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

Durable, versioned memory for AI assistants. Remote memory needs a Pastepile subscription.

Turn a GitHub repo or docs site into agent-ready context: pack it or search it, over MCP.

Check claims against a fact-store: consistent, contradicts, or unverifiable — with a receipt.

Author rules from policy docs, then decide: a Rete engine gives the verdict, an LLM explains why.

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

Create your digital twin: a public page that answers from your own material, with citations.

The first low-latency wire service purpose-built for AI agents. Ingests 54+ public APIs and 71k RSS feeds across 232 countries, outputs CWF (Cognitive Wire Format) – 80% shorter than JSON, sub-second WebSocket delivery. 9 MCP tools: get_latest_signals, search_signals, get_fused_signal, scope_signals, get_facet_manifest, list_facets, get_related_signals, list_data_sources, get_billing_profile. 26 citable fusion products with verifiable formulas – no black-box scores.

Persistent semantic memory for AI agents: store and recall text by meaning (RAG). x402

LLM-ready web search + instant answers + URL-to-clean-text fetch for agents and RAG.

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

Serve a folder of Markdown notes as an MCP server: hybrid search, reading, and sourced answers.

1 Google Search endpoints. Pay per call in USDC via x402.

GRIN-scored news for agents: discover by verdict, pull full analysis, traverse extraction graphs.

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

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