Best search MCP servers for Claude Desktop

National Assembly Library of Korea catalog search (books, theses, articles, bills)

Search five paid x402 government-data APIs (IRS, FDA, SSA, HCAD); full records paid over x402.

Persistent local knowledge for AI coding agents with structured records, search, and DOT context.

KISTI ScienceON OpenAPI literature search & metadata collection (MCP server + CLI)

Microsoft 365 Outlook mail via Graph: read, search, send, reply, forward, draft, move, delete.

Measured AI-inference-storage benchmarks with citations, article search, KV-cache ROI estimation.

Search and book flights and hotels: hundreds of airlines, plus bookable hotel rates.

Search TradeSearcher strategies and backtests from Claude Code, Cursor, Codex, and other agents.

Fast per-repo documentation indexer and full-text search MCP server for codebases.

Keyless multi-engine web search, fetch, and clean-Markdown read for AI agents. No API keys.

50Trust score 50 of 100, Fair

Search, read and update Aha.io ideas, features, epics, releases, goals and comments

50Trust score 50 of 100, Fair

Search a live index of millions of open jobs from employer career sites and 100+ ATS platforms.

Your private media library and records, with receipts: search, recordings, and a verifiable ledger.

Microsoft 365 OneDrive files via Graph: list, search, get, upload, download, share, read text.

Search Entra.Chat podcast transcripts — Merill Fernando's Microsoft Entra podcast on YouTube

Apple Human Interface Guidelines search, lookup, and project audits for AI coding agents.

Read-only Mafdet AI account tools (models, balance, usage, subscription) and docs search.

Code intelligence MCP: symbols, call graphs, change impact + affected tests, routes, search.

Read, search and edit Smartipedia, an open AI-native encyclopedia. No API key, no signup.

Local decisions, evidence, outcomes and reviewed lessons with bounded retrieval and an HTML viewer.

Search and read locally-recorded meeting transcripts over stdio. Read-only, no network.

Search and compare MCP servers, agent tools, and skills using current maintenance signals.

MCP instruction indexing server with search, CRUD, validation, and cross-repo knowledge promotion.

50Trust score 50 of 100, Fair

Capture, OCR-search, and retrieve local Mac screenshots for AI agents through Stashot.