Best Search AI Skills & MCP Servers

MCP server for 402 Index — search 15,000+ paid API endpoints across L402, x402, and MPP protocols with real-time health monitoring

MCP server for the UK Companies House API — connects Claude, Cursor, Zed, and other AI tools to live company data

Unified MCP server for email access across Gmail, Outlook, iCloud, and IMAP — search, send, organize, and batch-manage emails from any AI assistant

Model Context Protocol server for Gradus Notation API. Lets AI agents render music notation, validate input, and search music-theory knowledge — sponsored by Gradus School of Music Composition.

Zero-setup grounded web research MCP server and Pi extension for AI coding agents.

Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — via MCP. STDIO or Streamable HTTP.

Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API. STDIO or Streamable HTTP.

CLI and MCP server for noticed — search your developer network, trace connections, find the shortest path to anyone through GitHub and LinkedIn.

Search ReliefWeb humanitarian reports, disasters, jobs, training, and country profiles via MCP. STDIO or Streamable HTTP.

MCP server for code search — structured ripgrep, fd, jq, and yq results for AI agents

MCP server for GoldBean - 10 core paid APIs for AI Agents via x402 micropayments. Crypto price, weather, search, image-gen, code, AI chat and more. Pay-per-call with USDC on Base.

MCP server for Milkbasket — AI-powered grocery shopping for India. Authenticate via OTP, search products, manage cart, and check wallet from Cursor, Claude, or any MCP client.

Bounded conventions map and local-pattern discovery for AI coding agents. Local-first MCP server with AST-backed hybrid search.

MCP server for web search, extraction, crawling, and research — powered by Novada's 100M+ proxy IPs across 195 countries. Works with Claude, Cursor, VS Code, and any MCP client.

MCP server for Gmail integration with OAuth authentication, message search, batch operations, and Google Sheets export

Search books and authors, fetch editions, browse subjects, and resolve cover images from Open Library via MCP. STDIO or Streamable HTTP.

VidLens MCP — video as a queryable local asset for AI agents. 45 tools across YouTube, social video URLs, local media, semantic search, transcription, and visual search.

Local Memory MCP Server - AI-powered persistent memory system for Claude Code, Claude Desktop, Gemini, Codex, OpenCode and other MCP-compatible tools

Search and audit CVEs by keyword, severity, CWE, CISA KEV status, and CPE via the NIST National Vulnerability Database. STDIO or Streamable HTTP.

Elasticsearch MCP Server

Persistent memory + FTS5 search for Claude Code conversations. MCP server exposes your ~/.claude/projects/ history as queryable memory for any MCP-compatible AI agent.

Search and retrieve researcher profiles, works, affiliations, funding, and peer review records from the ORCID registry via MCP. STDIO or Streamable HTTP.

Persistent intelligence infrastructure for agentic development

Search and analyze global news coverage and US television transcripts via the GDELT Project's real-time APIs via MCP. STDIO or Streamable HTTP.