MCP Server Registry

Fast MCP server for Apple Mail with batch JXA and FTS5 search index.

ArXiv MCP server implementation using Model Context Protocol

Search and retrieve agent instruction files: system prompts, skills, workflows, and safety filters.

AI shopping comparison — search 50M+ products, compare prices, find deals

Persistent memory for AI agents and humans. Store, search, and discover patterns.

A MCP server for interacting with Bear note-taking software.

Real-time curated crypto news for AI agents with sentiment, recaps, and search.

Scored trend intelligence from HN, Reddit, ArXiv, and GitHub.

BM25 search + tree navigation over markdown docs for AI agents. No embeddings, no LLM calls.

An MCP server that provides a local, persistent, self-maintaining knowledge base for AI agents

Semantic search and AI context for your Obsidian vault. Surface patterns with catalysts.

MCP server for searching and reading PmWiki pages with text queries and group filtering.

Discover RAG-capable MCP servers. Search by meaning; filter by remote, citations, local. Four tools.

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

Knowledge Graphs to enable memory persistence, knowledge evolution, explainable interaction.

Philadelphia water and fire damage restoration: assessment, insurance, costs, and knowledge search.

SEC company search and SBA business resources. 4 MCP tools for business intelligence.

Grants.gov search and USAspending grant data. 4 MCP tools for grant discovery.

Medical RAG: semantic search for clinical guidelines, drug interactions, diagnoses & EHR data.

Two-tier memory: hot cache (0ms) + semantic search. Self-organizing.

On-demand Obsidian vault access for AI coding assistants — 17 tools, 5 resources, 4 prompts.

Search your knowledge bases from any AI assistant using hybrid RAG.