Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
Launch Lab XRP Data
XRP research, paper arena and free XRPL transaction explanations / x402 diagnostics. No signing.
@alokkr016/docsynapse-mcp
Model Context Protocol server for DocSynapse knowledge graph and agent tools
StruXure NorCal Knowledge Base
Public remote MCP server for StruXure NorCal pergola services, FAQs, and contact requests.
WIA Music catalog
Search the WIA Music catalog of original K-pop, K-trot and K-ballad songs: details, key, BPM.
Syfert Legal Research
Verify legal citations, case treatment, quotes and whole briefs against 10.7M U.S. opinions
A1 Synthetic Oil (independent AMSOIL dealer)
AMSOIL catalog search, account options, and dealer-referral shopping links from A1 Synthetic Oil
Bible Swipe
A Bible reading a day, line by line, any passage by reference, and search.
agentic sinkhole research
research honeypot / measurement mcp surface: zero-auth deterministic inbox + otp extract, ephemer...
@kiviui-mcp/server
Production-grade MCP server for Kivi UI — Notes & Knowledge Base
Helsama
Hemp from Gotland: product catalog, knowledge base and open lab data per batch.
Altair
Free TradingAgents equity research reports and Altair pages; paid signals feed via x402 inside MCP.
DarkSearch.xyz
Full-text search over web pages published on IPFS. Free, no key.
PG1 Sovereign Threat Intelligence
Preflight for AI agents, signed: one call; wallet, domain, IP abuse, package checks and CVEs.
Research papers
arXiv, PubMed, Crossref and OpenAlex scholarly metadata.
znt-kg-mcp
Model Context Protocol (MCP) server for Znt Knowledge Graph Engine (znt-kg)
PeopleSearch.im
People search, LinkedIn lookup and verified work emails for AI agents. First search needs no login.
@parasite2060/jarvis-mcp-server
Jarvis MCP server providing memory_search and memory_add tools for Claude Code
Adam Hale Tools: Web Research and Open Data
Free web lookups; PDF to Markdown, audio transcripts, screenshots, WHOIS/DNS paid per call via x402.
AlphaYou Market Intelligence
Impersonal stock and Hyperliquid research, each answer with its source link and date.
@skylence-ai/skybox
Code knowledge graph — indexer, graph store, hybrid search, and MCP server
@solrouter/mcp-server
SolRouter MCP Server — privacy-first AI tools for any MCP client
Al-Taswia Iraqi Law Research
Read-only search of Al-Taswia's published Iraqi law articles. General information, not legal advice.
Protoperfect Labs
Search and read Protoperfect Labs research, documentation and glossary. Read-only.
The Wiley Rule (public data)
Read-only public data on 7-OH and related products: research, test results, FDA actions, state laws