--- title: "Docus: vendor profile: Agent Ready HTML" description: "Docus, a framework: 5 of 6 standards stated as supported, 12 sourced facts, dated plans and what it does not do. Read 2026-11-05." canonical: https://agentreadyhtml.com/vendors/docus/ site: "Agent Ready HTML" last_updated: 2026-11-05 section: "Vendors" --- # Docus: vendor profile: Agent Ready HTML > Docus, a framework: 5 of 6 standards stated as supported, 12 sourced facts, dated plans and what it does not do. Read 2026-11-05. Source: https://agentreadyhtml.com/vendors/docus/ Site: Agent Ready HTML Last reviewed: 2026-11-05 # Docus: vendor profile In short Docus negotiates Accept: text/markdown with Vary: Accept, User-Agent and sends agents a Markdown 404, but outside Vercel prerendered pages stay HTML and agents fall back to the .md twin. docus.dev returned 2,209 bytes of markdown for a docs page on 2026-11-05. The theme is free under the MIT licence; v5.15.0 shipped on 2026-10-14. ## At a glance **standards.txt** docus ```text llms-txt = supports markdown-negotiation = partial markdown-twin = supports initial-html = supports real-404 = supports vary-accept = supports ``` 5 supports, 1 partial or announced, 0 no statement. **Docus** Framework Nuxt documentation theme that ships llms.txt and llms-full.txt through nuxt-llms, a .md twin and /raw/ Markdown for every page, Accept: text/markdown negotiation with Vary: Accept, User-Agent, Markdown 404s for agents, JSON-LD and an MCP server. Type [Framework](https://agentreadyhtml.com/vendors/by-type/framework/) Home page [docus.dev](https://docus.dev/), answered HTTP 200 on 2026-11-05 Last read 5 November 2026 ## What it does for this layer - Docus is a Nuxt documentation theme built with Nuxt UI and Nuxt Content, and new projects start from npx create-docus my-docs. \[primary source\] [source](https://docus.dev/en/getting-started/introduction), read 5 November 2026. - Docus includes the nuxt-llms module by default, which generates and pre-renders /llms.txt and /llms-full.txt from every documentation page. \[primary source\] [source](https://docus.dev/en/ai/llms), read 5 November 2026. - Docus switches a page to Markdown when the URL ends in .md, when the Accept header prefers text/markdown over text/html, or when the User-Agent is a known AI crawler such as ClaudeBot or GPTBot. \[primary source\] [source](https://docus.dev/en/ai/llms), read 5 November 2026. - Every Docus response that can be HTML or Markdown carries Vary: Accept, User-Agent so a CDN never hands the wrong variant to a browser or an agent. \[primary source\] [source](https://docus.dev/en/ai/llms), read 5 November 2026. - Docus negotiation runs in a Nitro middleware and, on Vercel, at the edge; on other hosts a prerendered page stays HTML and agents reach its Markdown through the .md URL. \[primary source\] [source](https://docus.dev/en/ai/llms), read 5 November 2026. - Docus serves source Markdown at /raw/.md with text/markdown and a Link header back to the HTML page, and rewrites llms.txt links to those raw files. \[primary source\] [source](https://docus.dev/en/ai/llms), read 5 November 2026. - Docus emits JSON-LD through nuxt-schema-org, with WebSite and WebPage on every page and TechArticle and BreadcrumbList on documentation pages. \[primary source\] [source](https://docus.dev/en/concepts/configuration), read 5 November 2026. - Docus generates /sitemap.xml with @nuxtjs/sitemap and turns it into a sitemap index with one sitemap per locale on multilingual sites. \[primary source\] [source](https://docus.dev/en/concepts/configuration), read 5 November 2026. - Each Docus site exposes an MCP server at the /mcp path of its documentation URL. \[primary source\] [source](https://docus.dev/en/ai/mcp), read 5 November 2026. - Docus v5.15.0, released on GitHub on 2026-10-14, lazy-loads components and tree-shakes schema.org composables out of the client bundle. \[primary source, 2026-10-14\] [source](https://github.com/nuxt-content/docus/releases), read 5 November 2026. - docus.dev answered Accept: text/markdown on /en/getting-started/installation with 2,209 bytes of text/markdown and Vary: Accept, User-Agent on 2026-11-05. \[observed\] [source](https://docus.dev/en/ai/llms), read 5 November 2026. - With curl's default Accept, a made-up docus.dev path returned status 404 with a 1,236-byte Markdown body on 2026-11-05; the same kind of path requested with Accept: text/html returned a 404 HTML page. \[observed\] [source](https://docus.dev/en/ai/llms), read 5 November 2026. ## Products and plans | Product | What it is | Price | As of | Source | | --- | --- | --- | --- | --- | | Docus | Nuxt layer and theme for Markdown documentation sites. | Free, open source; MIT licence, free; v5.15.0 on 2026-10-14 | 2026-11-05 | source | ## Standards | Standard | Status | What the vendor's pages say | Source | | --- | --- | --- | --- | | llms-txt | supports | Docus integrates nuxt-llms by default and generates and pre-renders /llms.txt and /llms-full.txt. | source | | markdown-negotiation | partial | Docus negotiates on the page URL through a Nitro middleware, but outside Vercel prerendered pages stay HTML and agents need the .md URL. | source | | markdown-twin | supports | Every page has a markdown twin by default at the page URL plus .md, backed by /raw/.md. | source | | initial-html | supports | Docus pages are prerendered; its docs describe prerendered pages being served ahead of the middleware. | source | | real-404 | supports | Docus keeps the 404 status on missing pages, as Markdown for agents and as the theme error page for browsers. | source | | vary-accept | supports | Docus sends Vary: Accept, User-Agent on every response that negotiates. | source | ## Checks on its own site | Reading | Result | Date | | --- | --- | --- | | Home page request | HTTP 200; H1 in the initial HTML: yes; 458 words; 1 JSON-LD block | 2026-11-05 | | Request with Accept: text/markdown | HTTP 200, text/markdown, Vary: Accept, User-Agent | 2026-11-05 | | /llms.txt at the host root | HTTP 200, text/plain, 8.4 KB, starts with an H1 | 2026-11-05 | | A made-up path | HTTP 404 | 2026-11-05 | | Ora score, cached | 55, grade C | 2026-09-15 | | Cloudflare keyless scan | 53, L5 Agent-Native | 2026-11-05 | ## What it does not do - Docus does not send its Markdown 404 to browsers or JSON clients; requests accepting text/html or application/json keep the regular error responses. [source](https://docus.dev/en/ai/llms), read 5 November 2026. ## Related pages on this site - [Frameworks in this section](https://agentreadyhtml.com/vendors/by-type/framework/) - [The Plain Fetch viewer](https://agentreadyhtml.com/viewer/) ## Sources 1. [Docus: home page](https://docus.dev/) https://docus.dev/, read 5 November 2026 2. [Introduction - Docus](https://docus.dev/en/getting-started/introduction) https://docus.dev/en/getting-started/introduction, read 5 November 2026 3. [LLMs Integration - Docus](https://docus.dev/en/ai/llms) https://docus.dev/en/ai/llms, read 5 November 2026 4. [Configuration - Docus](https://docus.dev/en/concepts/configuration) https://docus.dev/en/concepts/configuration, read 5 November 2026 5. [MCP Server - Docus](https://docus.dev/en/ai/mcp) https://docus.dev/en/ai/mcp, read 5 November 2026 6. [Releases · nuxt-content/docus · GitHub](https://github.com/nuxt-content/docus/releases) https://github.com/nuxt-content/docus/releases, read 5 November 2026 7. [Docus LICENSE](https://raw.githubusercontent.com/nuxt-content/docus/main/LICENSE) https://raw.githubusercontent.com/nuxt-content/docus/main/LICENSE, read 5 November 2026 Last reviewed 5 November 2026 Edition Crawl 2026-11-04 Page updated 2026-11-05 Method How the viewer reads a page, how a file is graded and how a platform is scored: [the method page](https://agentreadyhtml.com/method/).