"Local AI Agent Toolkit" matching MCP connectors:

Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 38 tools.

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

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.

Human-authored personal context before AI guidance, built through private structured reflection.

**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

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

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

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.

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

Cross-vendor AI memory over MCP. One semantic store, readable and writeable from every MCP client.

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

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

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.

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

AI session memory: the brief your AI reads before every session so no session starts cold.

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

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.

Governed data discovery, exact queries, decisions, simulations, and runtime utilities over MCP.