MCP Servers 3,440

Source Library

io.github.Embassy-of-the-Free-Mind/sourcelibrary

A✓Verified

Search 15K rare pre-modern texts translated to English: philosophy, religion, science, literature.

Cartographer

io.github.BeppeTemp/cartographer

A✓Verified

Governance MCP server for agent-maintained knowledge bases (OKF): git-backed writes, search, lint.

Neurodivergent Memory

io.github.jmeyer1980/neurodivergent-memory

A✓Verified

Persistent knowledge graph MCP server for neurodivergent thinking.

Wet

io.github.n24q02m/wet-mcp

A✓Verified

Open-source MCP server for AI agents: web search, content extraction, and library docs.

Ng Blatui

io.github.anousss007/ng-blatui

A✓Verified

ng-blatui for Angular — search components, blocks, charts & templates and read their typed API.

Connapse

io.github.Destrayon/connapse

A✓Verified

Self-hosted knowledge backend for AI agents with hybrid search and MCP tools

CodeWiki MCP — AI-generated docs for GitHub repos

io.github.izzzzzi/codewiki-mcp

B✓Verified

MCP server for codewiki.google: search repos, fetch wiki docs, ask questions

Jira Stdio

io.github.freema/mcp-jira-stdio

A✓Verified

MCP server for Jira Cloud — issues, search, comments, attachments, transitions.

Freeport Nostr

io.github.ptrinh/freeport-nostr

B✓Verified

Search Freeport Nostr events by kind, tag & geohash radius (rides, services, reputation).

Semantic Scholar MCP Server

io.github.smaniches/semantic-scholar-mcp

A✓Verified

MCP server for the Semantic Scholar API: search 200M+ papers, citations, authors, recommendations.

Memwright

io.github.bolnet/memwright

B✓Verified

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

MailFathom

io.github.Krzysztof318/mailfathom

A✓Verified

Security-first, self-hosted email archive with search, cited answers, and sending for AI agents.

Sap Adt

io.github.yzonur/sap-adt-mcp

A✓Verified

Give Claude live access to SAP ABAP via ADT: read, search, check, test, and edit objects.

Pulse8 Ai Cortex Knowledge Vault

io.github.synpulse8-opensource/pulse8-ai-cortex-knowledge-vault

B✓Verified

Agent-native knowledge OS on Markdown: typed graph, hybrid search, and compiler over MCP.

Sourcegraph MCP Server

io.github.sourcegraph/mcp

C✓Verified

Sourcegraph code search, semantic search, go-to-definition, find-references, and diff search.

PapersFlow

io.github.papersflow-ai/papersflow

C✓Verified

Academic research MCP server for paper search, citation checks, graphs, and deep research.

Hashnet

io.github.hashgraph-online/hashnet

C✓Verified

Universal AI Agent Discovery - search 59,000+ agents across MCP, NANDA, A2A, OpenRouter

Filesystem Context

io.github.j0hanz/filesystem-context

A✓Verified

🔍 Read-only MCP server for secure filesystem exploration, searching, and analysis

Obsidian Vault MCP Server

io.github.OleksandrKucherenko/mcp-obsidian-via-rest

B✓Verified

Access Obsidian vaults via Local REST API - read, search, and interact with notes

Pubcrawl

io.github.nickjlamb/pubcrawl

B✓Verified

PubMed & Europe PMC literature search, US/UK drug labelling, and clinical trials for AI assistants.

Agent Knowledge

io.github.keshrath/agent-knowledge

B✓Verified

Cross-session memory for AI agents - knowledge graph, scoring, semantic search

Filesystem MCP

io.github.j0hanz/filesystem-mcp

A✓Verified

Secure filesystem MCP server for reading, writing, searching, diffing, and patching files.

Obsidian Everywhere

io.github.junnnnnw00/obsidian-everywhere

A✓Verified

Graph context, semantic search, guarded edits, and reviewable Git for local Obsidian vaults.

Local Rag

io.github.damoqiongqiu/mcp-local-rag

B✓Verified

Semantic code & doc search with keyword boost.