Best search MCP servers for Claude Code

SEC EDGAR company filings, XBRL facts, and full text search for public companies. No key required.

Arch User Repository package search from the AUR RPC. No key required.

Search the UK National Archives' Discovery catalogue; find Chelsea pensioners' papers in WO 97.

Search and cross-reference local AI chat history with read-only tools and source citations.

Make memes from any MCP client: caption classic templates, AI meme images, photo remixes, search.

Search Geneteka, the Poznań Project and BaSIA for Polish vital records; fetch archive scans.

Search academic papers on arXiv by keyword, author, or title. No key required.

Checks what an agent did NOT read. Coverage over a retrieval step or a folder.

Search newly registered, expired, aged, active, deleted and for-sale domains, plus WHOIS and DNS.

Caller ID and phone lookup: names, spam reports, fraud risk score, name/email search.

55Trust score 55 of 100, Fair

Search an Octri project's API docs and call its endpoints as tools, shaped by its SDK Studio config.

SEO, Search Console, analytics, revenue, and uptime for every site you run, from LopeBase.

Ask a local SQLite mirror of your Jira and Confluence: SQL, full-text search, issue detail.

AI-native digital asset management: semantic search, generative image edits, and CDN delivery.

Find, price and book parking at Park Graph lots: search, quote, hold and session tools.

55Trust score 55 of 100, Fair

Search, extend, and act on your team's Naumu knowledge graph: notes, threads, and nodes.

UK buy-to-let figures, location search and deal checks, paid per call in USDC over x402.

Search 1,673 source-linked exam blueprints with reviewed guidance. Read-only; no API key.

46 optimized tools for managing Coolify infrastructure, diagnostics, and docs search

Ingest and search LogsLoom logs from coding agents.

On-device memory layer for AI agents. Claude Code, OpenClaw, and Hermes. Hooks + MCP server + hybrid RAG search.

Search ClinicalTrials.gov: find studies, retrieve results, match patients to candidate trials.

Memory for any Ai: remembers across sessions, enforces your rules before actions, reviews the work.

53Trust score 53 of 100, Fair

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