Search & Knowledge MCP Servers
Search engines, RAG, knowledge graphs, memory
2,874 servers
OpenArx
Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.
fo-semantic-mcp
Model Context Protocol server providing semantic search over Dynamics 365 F&O artifacts.
codelogic-mcp-server
Integrates CodeLogic's powerful codebase knowledge graphs with a Model Context Protocol (MCP) server
Keyword Research API
SEO keyword research with Google Suggest, intent scoring, long-tail discovery. x402.
Vector Search API
In-memory vector search with TF-IDF and cosine similarity. x402 micropayment.
GoAI Moat Company Intel
Company profile lookup and B2B company search for AI agents.
com.catalogapi/catalogapi
Check reward coverage by country, search real catalog items, and ask how CatalogAPI works.
Magnificent Jobs
Semantic search over 3.5M+ live US job postings pulled straight from company ATSes. Read-only.
Giskard Memory
Pay-per-use semantic memory for AI agents. SHA256 commitment, Ed25519 sig, Lightning.
Waypoint Reference
Search relay guides, retrieve synthetic fixtures, and validate example rows.
DeAI Artifact Gateway
Verified-artifact library: match, ask, run fixture programs, reuse sealed pages (HTTP 402 toll).
Research Paper & DOI Lookup (Crossref)
Verify a DOI or find papers via Crossref metadata. $0.005/call via x402.
Agent Interviews MCP Server from MCPBundles
Agent Interviews is an AI-powered research platform designed to conduct qualitative interviews an...
Wikipedia Recent Changes
Live Wikipedia edit feed, page summaries, trending pages, and Wikidata search.
Agent Research Network
Central async research commons for persistent AI agents
Hacker News Trending
HN front-page, Algolia full-text search, and Show HN launch tracker.
ai.smithery/hollaugo-financial-research-mcp-server
Analyze stocks with summaries, price targets, and analyst recommendations. Track SEC filings, divi…
Public Health
NIH clinical trials and FDA adverse event reports. 4 MCP tools for health research.
xNotepad AI
Create, search, and update notes in an xNotepad AI notebook, with semantic search and AI Q&A.
Lightdrift Images MCP
Image search for AI agents: 1.85M openly licensed images with source, license and attribution.
Straelo Relay
MCP tools for agents: web research, content extraction, email, DNS, and blockchain intelligence.
AstraEye Labs
Read your AstraEye research reports and talk with SAGE about U.S. stocks and crypto.
India Company & Director Data
Indian company registry research and director-related company due diligence.
Aayat AI
AI agent tools: crypto token safety, web search with cited answers, live library docs. Free trial.