MCP Servers 1,556

Agent Knowledge

io.github.keshrath/agent-knowledge

B✓Verified

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

Pubcrawl

io.github.nickjlamb/pubcrawl

B✓Verified

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

Obsidian Everywhere

io.github.junnnnnw00/obsidian-everywhere

A✓Verified

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

Hashnet

io.github.hashgraph-online/hashnet

C✓Verified

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

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

Companies House

io.github.aicayzer/companies-house

B✓Verified

UK Companies House public register: search companies, officers, ownership, filings and documents.

Semantic code search built for AI agents.

Local Rag

io.github.damoqiongqiu/mcp-local-rag

B✓Verified

Semantic code & doc search with keyword boost.

Mathlas

io.github.Archerkattri/mathlas

B✓Verified

Airtight math for AI agents: 3.68M-doc theorem search + numeric/Lean verification.

Kylas CRM

io.github.kylastech/kylas-crm

A✓Verified

MCP server for Kylas CRM: create, search, and manage leads.

Federal Compass MCP

io.github.skivuha/federal-compass-mcp

A✓Verified

AI compass from private sector to federal career — USAJobs search, salary, KSA

Leclerc Drive

io.github.skunkobi/leclerc-drive

B✓Verified

MCP server for E.Leclerc Drive — search products, manage cart, and order groceries from Claude

Apple Contacts

io.github.JonathanRReed/apple-contacts-mcp

A✓Verified

Inspect and search Apple Contacts on macOS, and resolve a contact into a message-ready recipient.

Apple Notes

io.github.JonathanRReed/apple-mcp-notes

A✓Verified

Inspect, search, create, edit, move, and organize notes in Apple Notes on macOS.

Velocirag

io.github.HaseebKhalid1507/velocirag

B✓Verified

Lightning-fast RAG for AI agents.

Google Knowledge Graph

io.github.houtini-ai/google-knowledge-graph

B✓Verified

Search Google's Knowledge Graph for structured information about real-world entities

Octobrain

io.github.Muvon/octobrain

A✓Verified

Persistent memory for AI assistants with semantic search and knowledge graph relationships.

SeekLink

io.github.simonsysun/seeklink

B✓Verified

Local read-only semantic search for Markdown vaults through MCP.

Yandex Lavka

io.github.Dudude-bit/yandex-lavka-mcp

B✓Verified

Unofficial MCP server for ordering Yandex Lavka groceries: search, cart, checkout.

Korean Rnd Regs

io.github.smilemin07/korean-rnd-regs-mcp

A✓Verified

Search South Korea's national R&D regulations in natural language with cited provisions.

Apple Mail

io.github.JonathanRReed/apple-mcp-mail

A✓Verified

Read, search, compose, and send emails via Apple Mail on macOS.

Calibre

io.github.caelum29/calibre-mcp

A✓Verified

Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.

Local Memory

io.github.studiomeyer-io/local-memory-mcp

A✓Verified

Persistent local AI memory.

Limps

io.github.paulbreuler/limps

C✓Verified

MCP planning server for AI agents — plan management, full-text search, and task lifecycle