DonSeTch

Web fetch, search, and crawl for AI agents. Zero API keys. Chrome-true TLS. Built in Rust.

DonSeTch gives AI agents web research from a single local process — fetch any URL, search across 10+ engines, and crawl multi-page docs. Chrome-true TLS fingerprinting, bot-wall bypass, PDF extraction with OCR, semantic reranking. Zero API keys.

Install

npm install -g donsetch

Downloads the prebuilt binary for your platform from GitHub Releases with SHA256 verification.

| Platform | Binary | |---|---| | Linux x86_64 | donsetch-linux-x64.tar.gz | | Linux arm64 | donsetch-linux-arm64.tar.gz | | macOS arm64 | donsetch-darwin-arm64.tar.gz | | Windows x86_64 | donsetch-win32-x64.tar.gz |

Two ways to use it

MCP Server (for AI agents)

{
  "mcpServers": {
    "donsetch": { "command": "donsetch", "args": ["mcp"] }
  }
}

Or with npx (no global install):

{
  "mcpServers": {
    "donsetch": { "command": "npx", "args": ["donsetch", "mcp"] }
  }
}

Three tools: web_fetch, web_search, web_crawl.

CLI (for humans and scripts)

donsetch fetch https://example.com
donsetch search "rust async patterns"
donsetch crawl https://docs.example.com --topic "api reference"
donsetch keys add tinyfish sk-tinyfish-...
donsetch doctor
donsetch update

License

AGPL-3.0 — Copyright (c) 2026 Bishesh Bhandari

Full documentation: github.com/dondai44423/donsetch