Knowledge Graphs

A Model Context Protocol server for knowledge graphs designed around neurodivergent thinking patterns

Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers via MCP. STDIO or Streamable HTTP.

MCP server for little big brain — graph and hybrid search tools for agents

CogmemAi: Autonomous Cognitive Memory for Any Ai System. 95.10% on LongMemEval (top published score on the field's hardest long-term memory benchmark) and 91% on LoCoMo (above human performance). Autonomous memory capture: your Ai's work is saved even whe

MCP server for MindGraph — connect Claude Desktop, Claude Code, and any MCP client to your knowledge graph

Servidor MCP para un second brain en Obsidian: lecturas, notas permanentes, conceptos como nodos reales, resurfacing y salud del grafo. En castellano.

Persistent memory MCP server (v0.18) — self-growing knowledge graph that works without MCP sampling, poisoning quarantine, PostgreSQL + pgvector, bitemporal facts, BM25+RRF hybrid search, graph metrics/communities, Hebbian learning, episodic memory, audit

Model Context Protocol server for Graphite Atlas

Local-first memory MCP server for Claude Code and any MCP client: hybrid vector + knowledge-graph search, bi-temporal recall, Obsidian sync. Runs 100% on your machine, $0/token.

Turn messy input into a sourced report. 15 default tools: workflow, bidirectional sync, canonical NodeBench research bridge, discover_tools, and load_toolset.

Comprehensive MCP server with 34 reasoning modes (30 accessible via 13 focused tools) including historical reasoning, academic research (synthesis, argumentation, critique, analysis), engineering/algorithmic (CLRS), meta-reasoning for strategic oversight,

Euthynos — deterministic repository intelligence for AI coding agents (MCP server): exact source spans, call graphs, clone detection, honest evidence boundaries.

MCP server for true local semantic search over Obsidian vaults using Smart Connections embeddings — multi-vault, block-level retrieval, no cloud calls

Eight-tool Decantr MCP server for changed-UI assurance, authority-aware context, and verification evidence

Local-first AI governance and verification layer for claims, agent actions, memory writes, provenance, approvals, and Trust Receipts.

A code indexing system accessible via MCP (Model Context Protocol)

MCP server for PageBolt — take screenshots, generate PDFs, create OG images, inspect pages, record demo videos with Audio Guide narration, from AI coding assistants like Claude, Cursor, and Windsurf.

A knowledge graph of your codebase, exposed as an MCP server — so AI coding agents stop re-deriving structure from grep and Read on every request.

AI memory system for coding agents. Local-first MCP runtime with connectors (Google Drive, GitHub, Slack, Notion), knowledge graphs, decay scoring, and multi-tier deployment. Free locally, paid Cloud for sync and teams.

Alaya MCP Server — a memory engine for AI agents that remembers, forgets, and learns