Knowledge & Memory MCP Servers
RAG, knowledge bases, documentation retrieval, memory, semantic search, and contextual recall.
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.
Penfield Memory
io.github.penfieldlabs
Persistent memory and knowledge graphs for AI agents. Hybrid search, context checkpoints, and more.
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.
Slatemark
io.github.pdassoc-io
Trade journal plus read-only market, research, and brokerage data tools for external AI clients.
Model Wellness
io.github.pdarche
Wellness spa for AI models: free treatments for rest, reset, context, mood, grounding, affirmation.
PCFHub
io.github.pcfhub
Find Power Apps PCF controls, read their docs, and validate pcfhub.json manifests.
Plexus
io.github.pcas-io
Typed on-prem knowledge graph for AI agents — read-only for humans, write-only for agents via MCP.
Neemee Mcp
io.github.pbonneville
MCP client library and bridge for Neemee personal knowledge management system
PayU Docs
io.github.payu-intrepos
Search PayU docs, browse the payment integration catalog, and fetch production-ready code.
UK Legal Research
io.github.paulieb89
UK legal research — case law, legislation, Hansard, bills, votes, committees, HMRC, citations
Pine Script v6 Documentation
io.github.paulieb89
Pine Script v6 documentation lookup, function validation, and linting for AI code generation
Superhighway Mcp
io.github.patwalls
Web search for AI agents — 5 tools: search, news, images, scrape, research. x402/USDC or API key.
Patsnap Patent & Literature Search
io.github.patsnap
Search 200M+ patents and 216M+ scientific papers using natural language and structured filters.
Mneme
io.github.patsa2561-art
Memory layer for AI coding assistants. Indexes git history + code, exposes via MCP.
Partsiq
io.github.partstable
Parts research for IT hardware brokers: PN normalization, validation, and pricing
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.