MCP Catalog

Browse 366 Model Context Protocol servers · Knowledge & Memory · PythonClear

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CategoryAll Data & Databases· 2,860 Development & Coding· 2,793 Search & Web· 2,475 Finance & Crypto· 2,251 Productivity & Docs· 2,207 Commerce & Marketing· 2,197 Cloud & DevOps· 2,043 Knowledge & Memory· 1,825 Security· 1,810 AI & Machine Learning· 1,664 Media & Design· 1,068 Communication & Messaging· 832 Browser & Automation· 668 Other· 280

VeritasgraphOfficial

io.github.bibinprathap/veritasgraph

Zero-trust, air-gapped Enterprise GraphRAG MCP server with offline, citation-grounded answers.

Knowledge & MemorySecurity

MA296Pythonv0.1.2pypi

Memory Arbiter MCPOfficial

io.github.billy12151/memory-arbiter-mcp

Shared memory store for AI coding tools with dual-timeline conflict arbitration.

Knowledge & MemoryDevelopment & Coding

LAMA0Pythonv0.2.0pypi

AttestorOfficial

io.github.bolnet/attestor

Self-hosted memory for agent teams. Bi-temporal replay, deterministic retrieval, audit log.

Knowledge & MemorySecurity

LAMB13Pythonv4.0.0pypi

MemwrightOfficial

io.github.bolnet/memwright

Embedded memory for AI agents with SQLite, pgvector, and Neo4j graph search.

Knowledge & MemoryData & Databases

LAMB13Pythonv0.1.3pypi

AfterpathsOfficial

io.github.burnssa/afterpaths

Session memory for AI coding agents. Search past sessions, extract rules, and track what works.

Knowledge & MemoryDevelopment & Coding

MB2Pythonv0.2.5pypi

Meyhem — MCP Server Discovery & Agent SearchOfficial

io.github.c5huracan/meyhem

Discover 6,700+ MCP servers and 15,000+ OpenClaw skills. Agent-native search with outcome ranking.

Search & WebKnowledge & Memory

MC4Pythonv1.0.0remote

Openzim MCPOfficial

io.github.cameronrye/openzim-mcp

Offline MCP access to ZIM knowledge archives — Wikipedia, Wiktionary, Stack Exchange, Kiwix.

Knowledge & MemorySearch & Web

LAMA82Pythonv2.5.1pypi

ChpOfficial

io.github.capabilityhostprotocol/chp

Learn and adopt the Capability Host Protocol — the agentic web's open evidence layer.

AI & Machine LearningKnowledge & Memory

MA1Pythonv0.8.0remote

Memory MCPOfficial

io.github.chenxiaofie/memory-mcp

情景+实体记忆 MCP 服务，为 Claude Code 提供持久化记忆能力

Knowledge & Memory

LAMC11Pythonv0.2.1pypi

Nautilus CompassOfficial

io.github.chunxiaoxx/nautilus-compass

Drift-aware cross-agent memory · MCP/A2A · LongMemEval-S 56.6% · 1/15 Zep cost

Knowledge & MemoryAI & Machine Learning

LAMA4Pythonv1.6.2pypi

WisdomgraphOfficial

io.github.cklam12345/wisdomgraph

Neo4j-native DIKW memory for Claude Code — knowledge that compounds across sessions

Knowledge & MemoryData & Databases

LAMA2Pythonv0.2.0npm

Claude ReplayOfficial

io.github.constripacity/claude-replay

Session checkpoint & recovery for Claude Code: resume, search, tag, and export recorded sessions.

Productivity & DocsKnowledge & Memory

LAMA1Pythonv0.4.0pypi

MCP Feed ReaderOfficial

io.github.crunchtools/feed-reader

RSS/Atom feed reader MCP server with SQLite backend

Search & WebKnowledge & Memory

LCMA0Pythonv0.1.2pypi

MCP MediawikiOfficial

io.github.crunchtools/mediawiki

Secure MCP server for MediaWiki wikis — search, pages, categories, and more

Knowledge & Memory

LCMA0Pythonv0.1.2pypi

Cruxible CoreOfficial

io.github.cruxible-ai/cruxible-core

Deterministic decision engine with receipts. Define rules in YAML, query a graph, get proof.

Knowledge & MemoryAI & Machine Learning

LAMA6Pythonv0.1.2pypi

Knowledge Graph RDBMSOfficial

io.github.cunicopia-dev/knowledge-graph-rdbms

A label property graph on SQLite/Postgres with multi-ontology routing and a gated MCP server.

Data & DatabasesKnowledge & Memory

LAMA0Pythonv0.1.9pypi

CairnOfficial

io.github.cybort360/cairn-mcp

Log Claude Code work sessions, file edits, and tasks to your Cairn account.

Productivity & DocsKnowledge & Memory

LAMA0Pythonv0.1.2pypi

MCP External MemoryOfficial

io.github.daedalus/mcp-external-memory

An MCP server that gives LLMs persistent, searchable semantic memory

Knowledge & Memory

LAMB0Pythonv0.1.2pypi

MCP OeisOfficial

io.github.daedalus/mcp-oeis

MCP server for the OEIS (Online Encyclopedia of Integer Sequences) API

Data & DatabasesKnowledge & Memory

LAMB0Pythonv0.1.0pypi

MCP SparqlOfficial

io.github.daedalus/mcp-sparql

MCP server exposing SPARQL query functionalities for LLMs

Data & DatabasesKnowledge & Memory

LAMA0Pythonv0.1.0pypi

ElesyncOfficial

io.github.darknodebros/elesync

Local-first MCP memory vault: files you own, shared across ChatGPT, Claude, Gemini & any MCP client

Knowledge & MemoryProductivity & Docs

LAMA2Pythonv1.9.0pypi

HokmahOfficial

io.github.davidangularme/hokmah

AI Agent with Architectural Memory. Impact analysis (free), tests and code from the graph (pro).

Development & CodingKnowledge & Memory

LAMB0Pythonv1.0.0remote

deadends.devOfficial

io.github.dbwls99706/deadends-dev

Structured failure knowledge for AI agents — dead ends, workarounds, error chains

Knowledge & MemoryDevelopment & Coding

LAMA0Pythonv0.3.1pypi

second-brain MCPOfficial

io.github.ddmanyes/mcp-second-brain

Self-maintaining knowledge vault: figure-level search, auto-wikilinks, and memory compression.

Knowledge & Memory

LAMA2Pythonv0.1.0pypi