Search & Knowledge MCP Servers

Search engines, RAG, knowledge graphs, memory

2,874 servers

Aviado AI

50
Remote

Cited supplement evidence, biomarker effects, interaction checks and brand quality

@totalreclaw/mcp-server

50
npx

End-to-end encrypted memory for AI agents — portable, yours forever. MCP server with XChaCha20-Poly1305 E2EE, semantic search, import/export, and on-chain storage

20/wk

greekssurge-mcp

50
npx

Read-only Model Context Protocol server for live GreeksSurge cash-secured-put research, performance, education, and decision-support prompts.

25/wk

@unifuncs/ufn-mcp-server

50
npx

UniFuncs MCP Server

30/wk

Resollo Agent API

50
Remote MCP App Caution 70

Resollo marketplace: search, seller lookup, offers, orders, draft listings. All human-approved.

prexist

50
npx

MCP server exposing Prexist product and skill research tools

20/wk

knowledge-mcp-server

50
npx Caution 75

MCP server for semantic search, CRUD, and graph operations over hierarchical knowledge bases stored as Markdown with YAML frontmatter

24/wk

@sharedmemory/mcp-server

50
npx

MCP server for SharedMemory — persistent AI memory for any tool

41/wk

@helpnest/mcp

50
npx

MCP server for HelpNest — expose your knowledge base to AI assistants

23/wk

peptoma-mcp

50
npx

Official PEPTOMA MCP server — connect any AI agent to the PEPTOMA open DeSci peptide research platform

23/wk

Prospect Intelligence

50
Remote

B2B company research and work-email lookup for AI agents. Pay per call in USDC on Base via x402.

@jalipata/mcp-memory

50
npx Caution 75

Agnostic persistent memory server for AI tools via MCP. Knowledge graph stored in SQLite with FTS5 keyword search, multi-tenant by namespace.

34/wk

@kcpatt27/memvid-mcp

50
npx

MemVid MCP Server - AI Memory Bank Management with Enhanced Search

17/wk

heurist-agent-framework

49
Manual

A flexible multi-interface AI agent framework for building agents with reasoning, tool use, memory, deep research, blockchain interaction, MCP, and agents-as-a-service.

817

notebooklm-skill

49
Manual

NotebookLM does the research, Claude writes the content. Research → Synthesis → Content Creation → Publishing. Claude Code Skill + MCP Server.

257

agent-toolkit

49
Manual

Tools and agents for interacting with the Data Commons Knowledge Graph using the Model Context Protocol (MCP).

137

caura-memclaw

49
Manual

Governed shared memory for AI agent fleets — multi-agent, multi-tenant, MCP-native. Trust tiers, keystone policies, audit trails, knowledge graph, self-improving retrieval. Apache 2.0.

119

mcp-ai-memory

49
npx

A production-ready Model Context Protocol (MCP) server for semantic memory management

49 35/wk

dowse

49

Fast local full-text search for Windows files (tantivy + jieba), exposed to AI agents over MCP.

39

io.github.computron/fulltext-article-downloader

49
uvx Auth Required

Full text of research papers by DOI, arXiv, PMC or OpenReview id, verified against the record

30

Synapse Layer — Zero-Knowledge Memory

49
uvx Auth Required

Zero-Knowledge Context™ & Neural Handover™ for AI Agents. The Trust Layer for AI Memory.

13

canary ibkr MCP

49

Local IBKR MCP server for agentic trading desks: market data, portfolio context, risk checks.

11

AitherOS ADK

49
uvx Auth Required

Agent runtime with typed memory, knowledge and code graphs, plus file and web tools

11

Hamster

49
Remote

Search and manage Hamster briefs, tasks, plans, and knowledge; trigger delivery from your agent.

9
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