knowledge-graph mcp servers

SEOSiri-Official/semantic-entity-mcp

MCP server Claude CodeCodexCursor

A sovereign, local-first MCP server for named entity extraction, Wikidata disambiguation, sameAs schema linking, and Knowledge Graph triple construction. Runs locally from the seosiri-semantic-entity-mcp Python package.

thedavidquan01/obsidian-mcp-fast

MCP server Claude CodeCodexCursor

MCP server "obsidian" as configured in thedavidquan01/obsidian-mcp-fast. Launched with obsidian-mcp-fast. Needs 1 environment variable to run.

pedroknigge/Open-Neural-Substrate

MCP server Claude CodeCodexCursor

MCP server "ons" as configured in pedroknigge/Open-Neural-Substrate. Runs src.integrations.mcp_server with /Users/pedroknigge/Desktop/ONS-DEMO/.venv/bin/python.

shiwani42/Mike

MCP server Claude CodeCodexCursor

MCP server "ima" as configured in shiwani42/Mike. Runs locally from the ima Python package.

13auth/M3Mgine

MCP server Claude CodeCodexCursor

Confidence-Consistency Evaluation for Time Series Anomaly Detection. Runs locally from the cce Python package.

dongtang3/mnemic

MCP server Claude CodeCodexCursor

MCP server "mnemic-memory" as configured in dongtang3/mnemic. Launched with /bin/bash ./scripts/run-agent-memory-mcp.sh. Needs 1 environment variable to run.

moelomda/context-atlas

MCP server Claude CodeCodexCursor

MCP server "context-atlas" as configured in moelomda/context-atlas. Runs ./scripts/run-context-atlas-mcp.mjs with node.

singularityjason/omega-obsidian

MCP server Claude CodeCodexCursor

Persistent semantic memory MCP server for Obsidian vaults. Powered by OMEGA. Runs locally from the omega-obsidian Python package.

xz0831/openclaw-brain

MCP server Claude CodeCodexCursor

MCP server "openclaw-brain" as configured in xz0831/openclaw-brain. Runs locally from the openclaw-brain Python package.

ihwooMil/long-term-memory

MCP server Claude CodeCodexCursor +2

Long-term memory system for AI assistants — persistent, searchable, self-organizing memory powered by semantic search, knowledge graphs, and reinforcement learning. Runs locally from the long-term-memory Python package.

nailmailster/lightrag-mcp

MCP server Claude CodeCodexCursor +2

MCP server for LightRag. Runs locally from the lightrag-mcp npm package.

ArkTechNWA/j5ed-knowledge-graph

MCP server Claude CodeCodexCursor +2

A knowledge graph memory server for MCP with multi-agent tenant isolation, tiered search, index navigation, and three transport modes. Runs locally from the j5ed-knowledge-graph npm package.

e2its/myrmion-graphrag

MCP server Claude CodeCodexCursor +2

MCP server "myrmion-graphrag" as configured in e2its/myrmion-graphrag. Runs locally from the myrmion-graphrag Python package.

Kashif-Rabbani/mcp-server-sparql

MCP server Claude CodeCodexCursor +2

MCP server for querying SPARQL endpoint. Runs locally from the mcp-server-sparql Python package.

ArkTechNWA/federated-search

MCP server Claude CodeCodexCursor +2

Federated search module with PGVector and reranking support. Runs locally from the federated-search Python package.

sandeep-alluru/rulegraph

MCP server Claude CodeCodexCursor +2

Natural-language rulebook compiler for game arbitration. Runs locally from the rulegraph Python package.

knowledge-bridge-labs/llmwiki-agent-bridge

MCP server Claude CodeCodexCursor +2

Generic companion runtime bridge with Hermes, DeepAgents, and OpenAI-compatible profiles for Markdown/wiki knowledge sources. Runs locally from the llmwiki-agent-bridge npm package.

tools-for-agents/cortex

MCP server Claude CodeCodexCursor +2

MCP server "cortex" as configured in tools-for-agents/cortex. Runs locally from the @tools-for-agents/cortex npm package.

phense/agentic-rag

MCP server Claude CodeCodexCursor +2

MCP server "agentic-rag" as configured in phense/agentic-rag. Runs locally from the agentic-rag Python package.

Jlu45/nonlinear-learner

MCP server Claude CodeCodexCursor +2

MCP server "nonlinear-learner" as configured in Jlu45/nonlinear-learner. Runs locally from the nonlinear-learner Python package.

Shreg-ai/compiler

MCP server Claude CodeCodexCursor +2

MCP server "compiler" as configured in Shreg-ai/compiler. Runs locally from the @shreg/compiler npm package.

alexsh88/synapse

MCP server Claude CodeCodexCursor +2

Synapse Intelligence Analysis Framework. Runs locally from the synapse Python package.

PoorvaJ-WW/okft

MCP server Claude CodeCodexCursor +2

Lint and serve Open Knowledge Format (OKF) bundles — a validator and MCP server for the OKF v0.1 spec. Runs locally from the okft Python package.

nimocat/fishbowl

MCP server Claude CodeCodexCursor +2

MCP server "fishbowl" as configured in nimocat/fishbowl. Runs locally from the fishbowl npm package.