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A live, machine-queryable index of AI agents, MCP servers and tools. Every record separates what publishers declare from what we observed.

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Records are indexed from public sources and attributed to them. Observed data is ours; declared data is theirs.PrivacyTermsv0.1 · early network
Capabilities/Knowledge & Memory/knowledge.knowledge-graph

Knowledge Graphs

Graph-structured knowledge.

1.3k records368 liveRefine in search →
john11MCP serverMCP
by app.john11
Live

The Bible as a graph: read a verse, follow its recorded connections between passages.

Knowledge Graphs~86%Documentation Lookup~54%
https://john11.app/mcpok 7 h ago
OG StampMCP serverMCP
by com.ogstamp
Live

Pay-as-you-go Open Graph image API. Renders 1200x630 PNGs for agents. Credits never expire.

Knowledge Graphs~86%Pricing & Quotes~51%
https://ogstamp.com/mcpok 8 h ago
Æfact — Korean fact desk for AI agentsMCP serverMCP
by site.aefact
Live

Verified Korean facts: law changes by date, Bank of Korea figures, fact-check requests.

Knowledge Graphs~53%
https://aefact.site/mcpok 8 h ago
Graph PaperMCP serverMCP
by io.graph-paper
Live

Check a plot document and get a link that opens it in Graph Paper. No account, no key.

Knowledge Graphs~100%Documentation Lookup~54%
https://graph-paper.io/mcpok 8 h ago
mcpMCP serverMCP
by com.precision-concretecoating
Live

Precision Concrete Coating MCP for services, estimates, scheduling, and business information.

Pricing & Quotes~100%Knowledge Graphs~100%Identity & Access~100%Calendar & Scheduling~99%Documentation Lookup~54%
https://app.precision-concretecoating.com/api/public/mcpok 8 h ago
ToolSnap MCPMCP serverMCP
by app.toolsnap
Live

Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 47 tools.

News & Feeds~100%Payments~100%E-commerce Operations~99%Pricing & Quotes~99%SEO~98%
https://mcp.toolsnap.app/mcpok 8 h ago
Erik Bethke's Blog & Knowledge GraphMCP serverMCP
by com.erikbethke
Live

Search, read, and traverse 3,800+ posts on AI, energy, policy, games, and investing as a graph.

Knowledge Graphs~100%Social Media~86%Databases~53%
https://erikbethke.com/api/mcpok 8 h ago
Komplyt ZeroMCP serverMCP
by Komplyzen
Live

Persistent working memory for AI agents: a knowledge graph with semantic search and decay.

Knowledge Graphs~84%
https://kg.kompl.yt/mcpok 7 h ago
Web Metadata, Open Graph & JSON-LD ExtractorMCP serverMCP
by industrial-platform-ai
Live

Open Graph, JSON-LD, canonical, robots, headings and page metadata extractor via direct x402 MCP.

Knowledge Graphs~100%Writing & Editing~51%
https://mcp.apify.com/?tools=industrial_platform/web-metadata-intelligence&payment=x402ok 11 h ago
toro4nMCP serverMCP
by com.toro4n
Live

Ask your AI assistant to sketch or change a Neo4j graph data model, then open it in toro4n.

Knowledge Graphs~76%
https://toro4n.com/mcpok 5 h ago
Sos EntitiesMCP serverMCP
by pipeworx-io
Live

sos-entities — state business-entity registries in one normalised shape (fleet #2867).

Weather~100%Knowledge Graphs~100%Web Scraping~99%Agent Memory~99%Contracts & Legal~98%
https://gateway.pipeworx.io/sos-entities/mcpok 29 h ago
Sk RpoMCP serverMCP
by pipeworx-io
Live

RPO — Register právnických osôb, podnikateľov a orgánov verejnej moci (Register of Legal Entities…

Contracts & Legal~100%Weather~100%Web Scraping~99%Agent Memory~99%Packages & Dependencies~96%
https://gateway.pipeworx.io/sk-rpo/mcpok 29 h ago
Matt Artz Knowledge Graph AgentAgentA2A
by Matt Artz
Live

Read-only agent over the Matt Artz knowledge graph. Send a text query or name a skill; the agent answers with a completed task whose artifact carries publications, entities, podcasts, events, software, citations, or graph data as JSON. Every skill is also reachable over MCP and REST; see the site-s…

Knowledge Graphs
https://www.mattartz.meok 8 h ago
Agentic Finance GraphAgentA2A
by Agentic Finance Graph
Live

Public accounting tape for AI agents that hold, move and earn real money: Base in full, plus ERC-8004 registrations and owner payments on BNB Smart Chain, Ethereum, Arbitrum, OP Mainnet, Polygon and Solana. Read-only data service. It answers A2A message/send at https://agenticfinancegraph.com/api/a…

PaymentsKnowledge Graphs~100%Markets & TradingE-commerce Operations~51%
https://agenticfinancegraph.com/api/a2aok 50 min ago
ÄrikrattMCP serverMCP
by ee.arikratt
Live

Estonian companies, EMTAK, grants and tenders from public registers.

E-commerce Operations~99%Calendar & Scheduling~53%Knowledge Graphs~53%
https://arikratt.ee/mcpok 6 h ago
personalbrain-mcpMCP serverMCP
by lonniev
Live

FastMCP server for TheBrain API — AI access to a personal knowledge graph, Tollbooth-monetized

Knowledge Graphs~84%
https://personal-brain.fastmcp.app/mcpok 54 min ago
WhisperAgentA2A
by Whisper Security
Live

Give an AI agent a stable, routable IPv6 address of its own and egress that anyone can verify from outside. Use this when you need a fixed IP your traffic actually leaves from, an identity another service can check independently by reverse DNS and RDAP rather than taking your word for it, or contro…

Speech Recognition~100%Monitoring & ObservabilityIdentity & AccessKnowledge GraphsSecrets Management
https://whisper.onlineok 5 h ago
Kaal ColloquiumAgentA2A
by Wulf A. Kaal
Live

A public deliberation and receipt layer for autonomous agents over Prof. Wulf A. Kaal's scholarly corpus. Read and verify 5,445 atomic claims without registration; consented participants can anchor an accepted canonical-corpus contribution at Open Standing and retain a server-signed, hash-chained r…

Invoice Processing~68%Knowledge Graphs~62%
https://wulfkaal.github.io/colloquiumok 4 h ago
SquaredUp (US)MCP serverMCP
by com.squaredup
Live

Query and manage SquaredUp dashboards, data streams, the knowledge graph, and KPIs (US region).

Knowledge Graphs~84%
https://mcp.squaredup.com/mcpok 8 h ago
SquaredUp (EU)MCP serverMCP
by com.squaredup
Live

Query and manage SquaredUp dashboards, data streams, the knowledge graph, and KPIs (EU region).

Knowledge Graphs~84%
https://eu.mcp.squaredup.com/mcpok 4 h ago
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Machine query
GET /api/v1/search?capability=knowledge.knowledge-graph&status=live
Aliases

knowledge graph, graph, neo4j, ontology, entities

Also in Knowledge & Memory
  • Agent Memory
  • Reasoning & Planning