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Donsetch

Donsetch is a Rust-based MCP server and command-line tool for web research tasks: fetching pages, searching the web, crawling sites and capturing screenshots. It can run as a local process for an MCP client or be invoked directly from a shell.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Donsetch — OpenViST project profile in MCP & Tooling.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Donsetch when an agent workflow needs web access through MCP, or when the same fetch, search and crawl tasks need to run from a CLI.

Who it is for

  • Developers connecting web research tools to an MCP-compatible AI agent.
  • People or scripts that need command-line web fetching, search, crawling or screenshots.

Documented uses

  • Fetch a web page as clean Markdown and optionally focus the result on a topic.
  • Search the web with query intent options.
  • Map, crawl or collect content from a website.
  • Capture a page as a PNG screenshot.
Before you choose

Requirements & limits

The README describes a keyless search option and says the tool needs no accounts; BYOK search providers are also supported. Donsetch is open source under AGPL-3.0.

  • The project provides both MCP server and CLI interfaces over the same engine.
  • MCP transport can use stdio or HTTP; HTTP mode documents token authentication and restrictions involving browser origins and loopback binding.
  • Search supports keyless operation as well as optional provider keys.
  • Configuration can be layered through defaults, legacy environment variables, a TOML file and newer environment-variable names.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Register Donsetch as an MCP server

Configure an MCP client to start Donsetch in supervised stdio mode.

Before you start

  • Donsetch available as the donsetch command, or use the documented npx invocation.

Steps

  1. Add an MCP server entry named donsetch to the client configuration.

  2. Set command to donsetch and args to ["mcp", "--supervised"].

  3. If using the documented no-global-install option, set command to npx and args to ["donsetch", "mcp"] instead.

Expected outcome

The client configuration specifies Donsetch as an MCP server using stdio.

Guide limitations

  • The guide documents the client configuration, not a verified connection to a particular client.
Documentation 1 ↗
Source-based practical guide

Use Donsetch web tasks from the CLI

Run the documented fetch, search and crawl command forms from a shell.

Before you start

  • Donsetch available as the donsetch command.

Steps

  1. Fetch a page with donsetch fetch https://example.com --focus "pricing".

  2. Search with donsetch search "rust async patterns" --intent code.

  3. Map a documentation site with donsetch crawl https://docs.python.org --mode map --topic asyncio.

Expected outcome

The commands request focused page fetching, intent-based search and a topic-focused site map.

Guide limitations

  • The examples document command forms; the repository describes crawl modes and options, but this recipe does not verify results for the example URLs.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
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Sources checked
12 October 2026
Original website title
dondai44423/donsetch · Official homepage title · retained in its source language
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