Best Query AI Skills & MCP Servers

MCP server that gives AI agents (Claude, Cursor, Copilot) deep understanding of your codebase patterns, conventions, and architecture. Query patterns, security boundaries, call graphs in real-time.

Query U.S. Census Bureau data, variables, and geography via MCP. STDIO or Streamable HTTP.

Query 29,500+ World Bank development indicators for 200+ countries across 60+ years via MCP. STDIO or Streamable HTTP.

Notion MCP server for Claude, Cursor, ChatGPT, and Claude Desktop — connect AI agents to Notion via the Model Context Protocol. Create pages, query databases, append blocks, upload files, and more in natural language.

MCP server connecting Claude Code with MySQL — supports SSH tunnels and multiple databases

MCP server for AI agents — query hot/trending news articles, top stories, and topic-filtered trends from Cyber Amber

MCP Server for querying and downloading Chinese listed companies' annual reports from CNINFO (巨潮资讯网)

Query SEC EDGAR filings, XBRL financials, and company data through MCP. STDIO & Streamable HTTP.

Unified Capability index for AI agents — 80+ ranked cloud services, skills, MCP servers, plugins, parsers, and public-data sources for Claude Code, Cursor, Claude Desktop, OpenClaw. Call find_capability with a query or jtbd tag to get a ranked list across

Knowledge base — loads knowledge, fts, graphbuild, graphquery for document indexing and graph-powered search.

Query WHO Global Health Observatory data — 3,059 indicators across 194 member states with country, region, year, and sex filters via MCP. STDIO or Streamable HTTP.

SaaSboard MCP server — query and manage projects, initiatives, tasks, decisions, docs and agent sessions from AI agents (Claude Code, Cursor, etc.)

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk (Socrata SODA API) via MCP. STDIO or Streamable HTTP.

Argosvix MCP server — AI agent から traces / cost / alert を直接 query するための Model Context Protocol server (stdio transport).

Log10x MCP Server — per-pattern log cost attribution, root-cause investigation, pasted-batch triage, archive query/backfill, and cross-pillar correlation against customer metric backends (Grafana Cloud, Mimir, Thanos, AMP) with structural validation that

MCP server for fetching and querying dependency source code

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

MCP proxy for Pharaoh — maps codebases into queryable knowledge graphs for AI agents. Enables Claude Code in headless environments (VPS, SSH, CI) via device flow auth.

Query stops, routes, real-time arrivals, vehicle positions, and schedules from OneBusAway transit APIs via MCP. STDIO or Streamable HTTP.

Search and query 8,933 Eurostat datasets — EU economy, demography, trade, health, and NUTS regional data via MCP. STDIO or Streamable HTTP.

Access FEC campaign finance data through MCP. Query data about candidates, money trails, and election filings. STDIO & Streamable HTTP.

Steampipe MCP server to query cloud infrastructure, SaaS, code and more with SQL using AI.

Search and query government open-data portals (Socrata SODA API) via MCP. STDIO or Streamable HTTP.

Alephant MCP Server — query AI spend, manage virtual keys and policies from your AI IDE