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Wikidown is a structured markdown wiki that lives in /docs of any git repo — a C# CLI, an MCP server for AI agents, a Blazor WASM browser editor, and a marketing site, all built on the same page model. This wiki (the one you're reading) is itself a Wikidown wiki, dogfooding the format and tools it documents — including this site, which is the wiki published with wikidown export-html.

Where to go

• Getting Started — what a Wikidown wiki looks like on disk, the on-disk format spec, and how a wiki stays current
• CLI — the wikidown dotnet tool: list / read / write / move / reorder / search / check-links / backfill-breadcrumbs
• MCP Server — wikidown-mcp, the stdio MCP server AI agents use to read and edit a wiki
• Editor — the browser-based Blazor WASM editor that commits straight to your repo
• Agents — drop-in Claude Code and GitHub Copilot configs for maintaining a Wikidown wiki with an AI agent