Search & Knowledge MCP Servers

io.github.SecurityRonin/alaya-mcp

40

npx Auth Required

Local memory engine for AI agents with knowledge graphs, forgetting, and semantic recall

19

research-workflow-assistant

40

Manual

Open-source AI research assistant for VS Code + GitHub Copilot. Connects to PubMed, OpenAlex, Semantic Scholar, Europe PMC, CrossRef, and Zotero via MCP servers. Custom agents guide systematic reviews, academic writing, data analysis, and project management — all ICMJE-compliant with full audit trails.

17

PapersFlow

40

Remote

Academic research MCP server for paper search, citation checks, graphs, and deep research.

14

Istara

40

Manual

Agentic Research Orchestration for UX Research and Product Development. Vibe and handcoded by a social and data scientist with background in many research domains and open-source

13

io.github.paulbreuler/limps

40

npx

MCP planning server for AI agents — plan management, full-text search, and task lifecycle

10

OpenArx

40

Remote

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

8

io.github.mashware/domain-memory

40

npx

Local-first MCP server serving a project's business-domain knowledge to MCP-compatible agents.

4

io.github.Indhar01/memograph

40

uvx Auth Required

Graph-based memory system for LLMs with knowledge graphs and semantic search.

4

Purl

40

Remote

Save, organize and share your Purl links from any MCP client.

3

StockMarketScan

40

Remote

18 tools for US stock screeners, chart patterns, options flow signals and equities research.

2

acuvity/mcp-server-memory

40

Docker Caution 75

MCP server for enabling memory for Claude through a knowledge graph

2

rmbr

40

uvx

Embedded, local-first memory and retrieval for AI agents. One SQLite file, no server, no API key.

2

zotero-library-mcp

40

uvx

MCP server for searching, reading, annotating, and managing Zotero libraries

2

Grimoire for Gamemasters

40

Remote

D&D and TTRPG campaign manager for GMs: your AI reads and writes a live, typed campaign database.

1

io.github.dingdawg/dingdawg-sales-agent

40

npx Auth Required

AI prospect research, outreach drafting, lead scoring & pipeline tracking.

1

Semurg agent memory

40

uvx Auth Required

Self-hosted memory for AI agents over MCP: knowledge graph, vectors, graph RAG, cited answers.

1

io.github.dingdawg/dingdawg-legal-agent

40

npx Auth Required

AI contract review, clause drafting, compliance checklists & legal research.

1

Savee

40

Remote

Read your Savee saves, boards and home feed, and search its public library. Read-only.

1

world-reference-mcp

40

uvx Caution 72

World-reference data (taxonomy, OBO terms, nutrition, observations, Wikidata alignment) MCP server and scion-sdk source adapters

iflow-mcp_drabreu_alex-mcp

40

uvx

MCP server for OpenAlex academic research API

QueryAction

40

Remote

Site growth from your agent: GA4, Search Console, PageSpeed, SEO research and weekly reports.

crossref-academic-mcp-server

40

uvx

MCP Server for scientific papers, citations, and academic research — Crossref, OpenAlex, Semantic Scholar

arxiv-today-mcp

40

uvx Caution 72

MCP server for browsing and searching arXiv papers by category

document-rag-mcp

40

uvx Caution 72

RAG MCP Server — watches folders, chunks documents, serves semantic search via MCP