MCP SearXNG

An MCP server that connects AI agents to a SearXNG metasearch engine instance for privacy-respecting web search and URL content extraction, returning results and page content in clean markdown format.

Evaluated Mar 06, 2026 (0d ago) vlatest
Homepage ↗ Repo ↗ Search searxng web-search privacy metasearch url-reader markdown self-hosted
⚙ Agent Friendliness
77
/ 100
Can an agent use this?
🔒 Security
75
/ 100
Is it safe for agents?
⚡ Reliability
72
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
75
Documentation
78
Error Messages
65
Auth Simplicity
88
Rate Limits
72

🔒 Security

TLS Enforcement
90
Auth Strength
72
Scope Granularity
65
Dep. Hygiene
80
Secret Handling
70

Privacy-preserving search MCP via SearXNG. Self-hosted recommended for privacy. No external API keys needed for self-hosted. Public instances may log queries.

⚡ Reliability

Uptime/SLA
72
Version Stability
75
Breaking Changes
70
Error Recovery
72
AF Security Reliability

Best When

You already run SearXNG (or want to) and need a privacy-preserving, self-hosted search tool for your AI agents.

Avoid When

You need a managed, SLA-backed search API without self-hosting overhead — use Brave Search MCP or Tavily instead.

Use Cases

  • Give AI agents real-time web search capabilities without sending queries to Google or Bing directly
  • Extract and convert web page content to markdown for AI summarization or analysis
  • Build research agents that need paginated, time-filtered, or language-specific web results
  • Self-host a search backend for an AI stack with full query privacy

Not For

  • Teams without a running SearXNG instance — requires self-hosting the search engine
  • Scenarios needing guaranteed result freshness from a specific search index (metasearch quality varies by SearXNG config)
  • High-volume crawling — SearXNG instances have their own rate limits from upstream engines

Interface

REST API
No
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
No

Authentication

Methods: none http_basic
OAuth: No Scopes: No

Authentication is optional. If the SearXNG instance requires it, HTTP Basic Auth credentials can be provided via AUTH_USERNAME and AUTH_PASSWORD environment variables. Proxy support also available.

Pricing

Model: open_source
Free tier: Yes
Requires CC: No

MIT licensed. Requires a self-hosted SearXNG instance (also free and open source).

Agent Metadata

Pagination
offset
Idempotent
Yes
Retry Guidance
Not documented

Known Gotchas

  • Result quality entirely depends on the SearXNG instance configuration and which upstream engines are enabled
  • SearXNG instances may be rate-limited by upstream search engines (Google, Bing, etc.) causing intermittent failures
  • URL content extraction may fail on JavaScript-heavy SPAs that require browser rendering
  • Caching TTL for URL reads may return stale content for frequently updated pages

Alternatives

Full Evaluation Report

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Scores are editorial opinions as of 2026-03-06.

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