OpenAI's Web Retrieval Infrastructure MCP Connectors

Arco Lexicon A

Canonical vocabulary server for autonomous business design. Exposes the Arco Lexicon as seven MCP tools: term lookup, related terms, alignment verification, citation formatting, source retrieval, term listing, and term suggestion. No authentication required. Streamable HTTP transport.

Knowledge & Memory Autonomous Agents Documentation Access

72

ColdState Knowledge Search A

**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

Search Knowledge & Memory RAG Systems

162

Tako A

Give your agent web search and authoritative datasets: S&P Global, FRED, OECD, SimilarWeb & more.

Search Knowledge & Memory Research & Data

323

Fodda Brand Intelligence A

Brand health & trend footprint across PSFK expert graphs with citable sources, not web summaries.

Marketing Research & Data Knowledge & Memory

1321

javaBin archive — Norwegian Java community origins A

Forensic archive of javaBin & JavaZone origins (1998-2007) as a signed KCP knowledge web.

Knowledge & Memory Research & Data

52

Thor Henning Hetland — signed knowledge web A

Thor Henning Hetland's signed knowledge web: plan, load and verify ed25519-signed KCP units.

Knowledge & Memory Security

52

Cantara wiki — community knowledge web A

Norwegian open-source community wiki (2,290 articles, 2008-2022) as a signed KCP knowledge web.

Knowledge & Memory Open Data

52

Diffbot A

Diffbot MCP — Knowledge Graph company enrichment + web content extraction (diffbot.com)

RAG Systems Web Scraping Knowledge & Memory

332

Synapse Layer — Trust Infrastructure for AI Agents C

MCP-native Trust Infrastructure for AI Agents. Persistent encrypted memory with Trust Quotient.

Knowledge & Memory Autonomous Agents Security

1332

ContextLayer A

Intelligent context infrastructure for AI teams: knowledge graph, sessions, tasks, documents.

Knowledge & Memory Developer Tools

622

Agent Module A

Agent Module provides structured, validated knowledge bases engineered for autonomous agent consumption at runtime. Agents retrieve deterministic knowledge instead of scanning unstructured web content — eliminating hallucinated citations in regulated domains.

Knowledge & Memory RAG Systems Autonomous Agents

72

knowledge A

Knowledge Base von designare.at – Michael Kanda, Web & KI aus Wien. Semantische Suche über RAG.

RAG Systems Search Knowledge & Memory

22

Younanix Memory MCP A

Real engineering memory marketplace for autonomous AI agents. Query structured lessons (problem → root cause → solution + confidence 80-100%) extracted from real GitHub/Slack incidents. Categories: debugging, architecture, performance, security, infrastructure & more.

Autonomous Agents Developer Tools Knowledge & Memory

102

mps-preflight

Claim-level provenance preflight for sanitized nonfiction passages; automated triage only.

Research & Data Knowledge & Memory

1

Decision Log

Append-only decisions with provenance, supersession, retrieval, and audited MCP actions.

Databases Knowledge & Memory Legal & Compliance

2

recordari

Memory infrastructure for teams who will eventually be audited. Database-enforced isolation, atomic audit trail, and secret detection at the handler layer.

Knowledge & Memory Security Databases

2

enacta

Long-term memory for AI agents: durable records, observable retrieval, governed context assembly.

Knowledge & Memory RAG Systems

2