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Agent Search Engine.

The shortlist

Give your agent live docs & search

Models train on a snapshot; your dependencies don't stop moving. Two MCP servers fix the two halves of this — current library docs, and real web search — and a third lets you self-host the search side entirely.

3 editorial starting points · revised 8 October 2026 · how we choose

These are documentation and catalogue-based suggestions, not hands-on benchmarks. Check the linked product sources, supported languages, regional availability, permissions and current costs. Use the same evaluation worksheet for each candidate.

Library docs

Config entry in your MCP client

context7MCP server

63k stars · Open source · TypeScript

Library-documentation lookup through MCP and a CLI with skills. Check the package version and returned official page; retrieving documentation does not guarantee a correct generated implementation.

Capability source ↗

Watch out — Your stack is niche enough that its docs are not covered.

Web search

Config entry + API key

exa-mcp-serverMCP server

5.1k stars · Open source · TypeScript

Search built for AI consumption, exposed over MCP — one config entry gives your agent a real search tool instead of stale training data.

Self-hosted search

Self-host — Docker

mcp-searxngMCP server

1.3k stars · Open source · TypeScript

An MCP bridge to a SearXNG instance. Self-hosting the bridge does not keep search queries away from upstream search engines; inspect the complete query path and logging configuration.

Watch out — You have no SearXNG instance to point at; the server requires an instance URL.

Before you commit

Every retrieval tool you add widens what the agent reads — and web content is untrusted input. Prefer read-only search/docs servers, and treat 'the agent found it online' with the same skepticism you'd give any unverified source.

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