A
license-
qualityB
maintenanceEnables LLMs to perform conceptual search over local PDF/EPUB documents using a RAG pipeline with corpus-driven concept extraction and WordNet enrichment.
3
MIT
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"Information about fetch (API, command, or concept)" matching MCP servers:
- Flicense-qualityCmaintenanceEnables access to a local Markdown knowledge base via MCP, currently only providing a ping tool.
- Flicense-qualityDmaintenanceAutomatically extracts technical concepts from AI coding conversations, organizes them into a searchable knowledge base with hierarchy and categories, and links them to specific locations in your codebase.
- Alicense-qualityBmaintenanceEnables AI agents to verify Ceph CLI commands, config parameters, and review test scripts using a pre-generated knowledge base.MIT
- AlicenseAqualityAmaintenanceUnofficial Notion MCP server built on Notion's private API (token_v2 cookie). Gives LLM agents full read/write access to the entire workspace — no integration token and no per-page sharing.11164MIT
- Alicense-qualityAmaintenanceEnables managing Zotero reference libraries with full CRUD operations, collections, notes, annotations, and attachments via the Zotero API.MIT
- Alicense-qualityBmaintenanceAI assistant integration with Logseq knowledge graph: 21 tools to read, write, query, and search notes, enabling seamless interaction with your notes.30MIT
- AlicenseAqualityCmaintenanceMCP server that enables AI assistants to interact with the MemOS API, providing memory search, feedback management, and knowledge base operations via MCP-compliant tools.10Apache 2.0
- Alicense-qualityBmaintenanceHosted MCP server for structured knowledge extraction and entity enrichment, allowing users to author JSON schemas, enrich entities using multiple LLM providers, and benchmark model performance.MIT
- Alicense-qualityAmaintenanceBuilt-in MCP server that gives AI agents direct access to an Obsidian vault for reading, writing, searching notes, and executing commands.962,775MIT
- AlicenseAqualityCmaintenanceMemOS (Memory Operating System) is a memory management operating system designed for AI applications. Its goal is: to enable your AI system to have long-term memory like a human, not only remembering what users have said but also actively invoking, updating, and scheduling these memories.42557Apache 2.0
- AlicenseAqualityDmaintenanceA server that enables AI agents to perform sophisticated knowledge discovery and analysis across Obsidian vaults through the Local REST API plugin, supporting complex multi-step workflows with advanced filtering and full content retrieval.321MIT
- AlicenseAqualityBmaintenanceJapan Operations OS for AI agents — 14 knowledge domains covering regulations, protocols, calendar, travel, food culture, language, disaster safety, daily life, and persistent memory. 31 MCP tools via REST + Streamable HTTP.31MIT
urantia-papersofficial
Alicense-qualityDmaintenanceFree, open MCP server for The Urantia Papers — full-text and semantic search across 197 papers, 14,500+ paragraphs, and 4,400+ named entities.MIT- Flicense-qualityFmaintenanceIntegrates with Red Hat APIs to enable searching Knowledge Centered Support (KCS) solutions, retrieving solution details, searching support cases, and obtaining case details through LLM applications.2
- AlicenseAqualityCmaintenanceAn improved implementation of persistent memory using a local knowledge graph with a customizable --memory-path. This lets Claude remember information about the user across chats.10346884MIT
- AlicenseAqualityAmaintenanceYour AI forgets everything between sessions. Rekindle fixes that. For Claude Code users who lose time re-explaining project context every session.105314MIT
nodeland-mcpofficial
AlicenseAqualityCmaintenanceMCP server that lets agents create and update persistent concept maps via the NodeLand API, returning shareable URLs for humans to view, embed, and keep editing.41301MIT- AlicenseAqualityBmaintenanceProvides seamless access to the ConceptNet semantic knowledge graph, enabling concept lookup, search, relationship discovery, and semantic similarity calculations across multiple languages.42GPL 3.0
- FlicenseAqualityBmaintenanceA local MCP server that maintains a persona profile (contact library) for AI assistants, allowing them to create, search, retrieve, supplement, and correct information about people mentioned in conversations via tools like search_profiles, get_profile, create_profile, update_profile, add_facts, update_fact, and delete_fact.8