MCP Servers 54

Cairn

io.github.jasondostal/cairn-mcp

B✓Verified

Persistent memory for AI agents and humans.

Postgram

io.github.ivo-toby/postgram

B✓Verified

Self-hosted memory for AI agents with hybrid search, knowledge graphs, tasks, and document sync.

Tidal

io.github.ibeal/tidal-mcp

B✓Verified

MCP server for TIDAL - search tracks, manage playlists, and get personalized recommendations

OPC-UA MCP Server

io.github.mwieczorkiewicz/opcua-mcp

B✓Verified

Read, write, browse, search, and subscribe to live data on an OPC-UA industrial automation server.

Copilot Memory MCP

io.github.LabForgeDev/copilot-memory-mcp

B✓Verified

Persistent semantic memory for AI agents using local ChromaDB vector search.

Factcheck

io.github.carlisia/mcp-factcheck

C✓Verified

An MCP server that validates content against MCP specification using semantic search and AI

Deadzone

io.github.laradji/deadzone

B✓Verified

Local-first MCP server: semantic search over library docs.

Vector DB MCP

io.github.kroq86/vector-db-mcp

C✓Verified

Assembly-accelerated DuckDB MCP server for code search, indexing, and symbol lookup.

Websharp

io.github.jgador/websharp

C✓Verified

Search the web and extract article text for LLMs.

Mewcp Google Calendar

io.github.AMMAR-62/mewcp-google-calendar

B✓Verified

Schedule smarter - create, search, and manage Google Calendar events through AI.

Email (IMAP/SMTP)

io.github.boutquin/email

B✓Verified

Multi-account IMAP/SMTP email server with 22 tools for reading, sending, searching, and organizing.

Inkwell

io.github.veronchenko/inkwell-memory

A✓Verified

Persistent memory for AI agents: Markdown entries, hybrid search, typed graph links

IPCC AR6 Climate Retrieval

io.github.AswaniSahoo/climate-ipcc-rag

A✓Verified

Search IPCC AR6 WG1 and answer with page-level citations, or refuse when unsupported.

Yahoo! Shopping MCP

io.github.ymuichiro/yahoo-shopping-mcp

B✓Verified

Read-only Yahoo! Shopping product search via the Yahoo! Shopping Item Search API v3.

Orbit Sentinel — Space Regulatory Filings

io.github.Viventine-Space/orbit-sentinel-mcp

A✓Verified

Search 950K+ space regulatory filings from FCC, ITU, UNOOSA, FAA-AST: entities, spectrum, dossiers.

GitLab Documentation MCP Server

io.github.nunolima/gitlab-docs-mcp

A✓Verified

Searchable access to GitLab documentation from multiple repositories with full-text search.

memex

io.github.ayushagrawal288/memex

B✓Verified

Persistent memory for AI agents — semantic + recency search, ONNX embeddings, Docker Compose.

Memory Engine MCP

io.github.SimoneB79/memory-engine-mcp

B✓Verified

Local-first graph memory for AI assistants with SQLite, semantic search, and MCP tools.

Corral

io.github.sebastienrousseau/corral

A✓Verified

Search code and symbols across every clone in your Corral workspace.

Crystal Suppliers MCP

io.github.ziyuant222/crystal-suppliers-mcp

B✓Verified

Search verified crystal bracelets and source beads, accessories, and raw materials.

Coding Challenge Solutions

io.github.nikhil-bhat/cc-solutions

C✓Verified

Search coding challenge solutions by keyword and optionally filter by programming language

Project Brain

io.github.Gentleelephant/project-brain

B✓Verified

Read-only source search and retrieval across configured GitHub repositories

Project Gutenberg MCP

io.github.bobbyhouse/project-gutenberg-mcp

B✓Verified

Read Project Gutenberg books via MCP.

STIL Lab Assistant

io.github.khalid-tounoussi-1/stil-ets-mcp

C✓Verified

STIL lab at ETS Montreal — knowledge base and paper search via ArXiv and Semantic Scholar.