duckduckgo-mcp-server
A TypeScript MCP (Model Context Protocol) server that exposes a single tool, `duckduckgo_search`, to perform web searches via DuckDuckGo and return results formatted as Markdown.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
No auth is described; reduces control over who can invoke the tool. Security posture is inferred: MCP over stdio avoids exposing HTTP endpoints, but the server still performs outbound requests for search. Dependency set is small but actual vulnerability status is unknown from provided data.
⚡ Reliability
Best When
You want an MCP tool that lets an LLM agent perform basic web search queries and consume the results directly.
Avoid When
You require strong guarantees about upstream availability, strict rate-limit control, or robust enterprise security/compliance controls.
Use Cases
- • Answering research questions with fresh web results
- • Agent-driven browsing/search for sources and citations
- • Lightweight web discovery workflows without building a custom search integration
Not For
- • Applications requiring authenticated/partner-only data access
- • Use cases needing full-text retrieval or deep crawling
- • Environments that need strict compliance guarantees around third-party scraping/search behavior
Interface
Authentication
No authentication described for using the MCP server/tool.
Pricing
Pricing not discussed; external DuckDuckGo usage likely subject to upstream constraints.
Agent Metadata
Known Gotchas
- ⚠ Rate limits are stated (1 req/sec; 15000/month), but retry/backoff guidance is not documented.
- ⚠ Results are capped (count 1-20). Agents must request multiple queries if they need more coverage.
Alternatives
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Scores are editorial opinions as of 2026-03-30.