Knowledge & Memory MCP Servers
RAG, knowledge bases, documentation retrieval, memory, semantic search, and contextual recall.
24 servers on this page

Plur
io.github.plur-ai
Open, local-first engram memory for AI agents: read, correct, delete; shared over MCP.

Plasmate
io.github.plasmate-labs
Browser engine for AI agents. HTML in, Semantic Object Model out. 16x fewer tokens.

Pil
io.github.pjpoulose
PIL: local-first knowledge base for your Instagram saved posts, with a read-only MCP server.
sayou
io.github.pixell-global
Persistent knowledge workspace for AI agents. Versioned files, search, and MCP tools.

Google Drive MCP
io.github.piotr-agier
Secure access to Google Drive, Docs, Sheets, Slides, and Calendar through MCP.

Kernal Mcp
io.github.pintomatic
Graph-native memory for AI agents: a knowledge graph built from conversation, via MCP.

Zotero Mcp Local
io.github.piiinpiiins
Search, read PDFs, and find related papers in your local Zotero library. Read-only, 100% local.
Fodda Knowledge Graphs
io.github.piers-fawkes
Expert-curated knowledge graphs for AI agents — retail, beauty, sports, plus institutional data

In Memoria
io.github.pi22by7
Persistent codebase intelligence that gives AI assistants memory across sessions

Bolor Brain Mcp
io.github.photoxpedia
Cognitive architecture MCP server with memory, learning, and contextual understanding

Anneal Memory
io.github.phillipclapham
Two-layer memory for AI agents with an immune system. Zero dependencies.

Palinode
io.github.phasespace-labs
Inspectable, correctable project memory in git-versioned Markdown for AI agents.

VectorCache Semantic Vector Cache
io.github.pgalyen1987
x402-gated semantic vector cache for agent swarms: Redis-backed similarity lookup. Paid in USDC.

Semantic API
io.github.peter-j-thompson
Search and discover any API using natural language. 163+ providers with auto-discovery.

Perplexity API Platform (moved to ai.perplexity/mcp-server)
io.github.perplexityai
Real-time web search, reasoning, and research through Perplexity's API

Mcp Scholaris
io.github.penny4nonsense
Academic paper search and retrieval via arXiv, Semantic Scholar, PubMed, Unpaywall.

Twitterapi
io.github.pedrot95dev
Read/write X (Twitter) via twitterapi.io: mentions, thread context, create and delete tweets.

PDFCrowd PDF Export
io.github.pdfcrowd
Create polished, professional PDFs from a single prompt. Documentation, reports, charts, and more.

Neemee Mcp
io.github.pbonneville
MCP client library and bridge for Neemee personal knowledge management system

Superhighway Mcp
io.github.patwalls
Web search for AI agents — 5 tools: search, news, images, scrape, research. x402/USDC or API key.

Mneme
io.github.patsa2561-art
Memory layer for AI coding assistants. Indexes git history + code, exposes via MCP.

Parseable
io.github.parseablehq
Model Context Protocol server for Parseable. Lets LLMs discover and query Parseable.

Smara
io.github.parallelromb
Persistent cross-platform memory for AI agents with Ebbinghaus decay scoring.

Panella
io.github.panellatech
Governed, self-hosted memory for AI agents: writes queue until a named person approves.