Plain Docs llms.txt · AI Docs Browser · mdream [llms.txt Tools](https://mdream.dev/llms-txt/plain-docs/llms-txt) # Plain Docs llms.txt www.plain.com/llms.txt [Raw llms.txt](https://www.plain.com/docs/llms.txt) [Raw llms-full.txt](https://www.plain.com/llms-full.txt) Copy Markdown [](https://www.plain.com/llms.txt) llms.txt Docs Building Agents on Plain Acting on threads Machine users Reading threads Receiving events Routing to your agent Searching knowledge Customer cards Create a customer card Examples Playground Protocol API Explorer Attachments Authentication Companies Delete a company Fetch companies Update customer company Upsert a company Customers Customer groups Delete customers Fetch customers Mark customer as spam Upserting customers Discussions Start a discussion Fetch discussions Send a discussion message Error codes Error handling Events Create a customer event Create a thread event Help center Fetch help centers and articles Manage article groups Manage articles Manage the navigation Introduction Labels Add labels Manage label types Remove labels Messaging Reply to emails Reply to threads Send new emails Suggested replies Notes Pagination Schema GraphQL SDK Snippets Create a snippet Delete a snippet Fetch snippets Update a snippet Tasks Create a task Delete a task Fetch tasks Update a task Tenants Add customers to tenants Delete a tenant Get tenants Remove customers to tenants Set customer tenants Tenant fields Upserting tenants Threads Assignment Autoresponders Create threads Delete a thread Escalating threads Fetch threads Importing threads Changing status Thread fields Update thread attributes Tiers & SLAs Add companies and tenants to tiers Get tiers Remove companies and tenants to tiers Service level agreements Update company tier Update tenant tier Webhook targets Create a webhook target Delete a webhook target Inspect delivery attempts Fetch webhook targets Update a webhook target mTLS Request signing UI Components Badge Container CopyButton Divider LinkButton Text Row UI Components SDK Spacer Text WorkflowButton Webhooks Customer created Customer deleted Customer Group Membership Changed Event Customer updated Webhooks SDK Thread assignment transitioned Chat received Chat sent Thread created Email received Email sent Thread Field created Thread Field deleted Thread Field updated Thread labels changed Note created Thread priority changed Thread SLA status transitioned Slack message received Slack message sent Thread status transitioned Webhook Versions ## What is Plain Docs's llms.txt? Plain Docs publishes an `/llms.txt` file that provides AI systems with a structured index of its documentation. It follows the [llms.txt specification](https://llmstxt.org), organizing links to guides, API references, and tutorials under section headings so that LLMs like ChatGPT, Claude, and Gemini can quickly understand what Plain Docs offers and where to find details. Pass Spec 1 Sections 133 Links 11.7 KB Size ~3.0k Tokens Sections: Docs ## Add Plain Docs Docs to Your AI Assistant Select your tool to see how to add Plain Docs's llms.txt as a documentation source. Cursor Windsurf Claude Code ChatGPT Zed Copilot 1. 1 Open any chat or composer panel 2. 2 Type @Docs and select "Add new doc" 3. 3 Paste the URL: https://www.plain.com/llms.txt 4. 4 Wait for the green dot (indexing complete) 5. 5 Reference @Docs in chat when asking about Plain Docs Cursor crawls the URL and indexes all subpages. Add a trailing slash to index child pages too. ## Spec Compliance 5 notes ## Frequently Asked Questions Where is Plain Docs's llms.txt file? Plain Docs publishes its llms.txt at https://www.plain.com/llms.txt. This file provides a structured, markdown-formatted index of Plain Docs's documentation that AI systems can consume to understand the project's APIs, guides, and references. How do I use Plain Docs's llms.txt with AI coding assistants? Copy the llms.txt content and paste it into your AI assistant (Cursor, Windsurf, Claude, ChatGPT) as context. This gives the AI an accurate map of Plain Docs's documentation so it can provide better code suggestions and answers about Plain Docs. What does Plain Docs's llms.txt contain? Plain Docs's llms.txt contains 1 sections and 133 documentation links in 11.7 KB (~3.0k tokens). Key sections include Docs. How many tokens does Plain Docs's llms.txt use? The concise llms.txt index is approximately 3.0k tokens (11.7 KB). Most AI assistants can fit this within their context window. For the full expanded documentation, look for an llms-full.txt variant which embeds all content inline. Can I generate an llms.txt for my own project? Yes. Use the free llms.txt generator at mdream.dev/tools/llms-txt/generator to crawl your site and produce a spec-compliant llms.txt file. You can also validate existing files with the llms.txt validator. ## Browse More llms.txt Files [Hello world A very fast and versatile markdown toolchain. 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It provides REST APIs, SMTP support, webhooks, and comprehensive email templates to replace traditional SMTP with a scalable, developer-friendly solution.](https://mdream.dev/llms-txt/plain-docs/llms-txt/postmark) [Sophos: Defeat Cyberattacks with AI-Native Security Sophos is a global enterprise cybersecurity company that helps organizations Defeat Cyberattacks with resilient AI-native protection, an elite team of threat hunters, and advanced defense across MDR, endpoint, firewall, email, and cloud - all powered by world-class technology and real-world expertise.](https://mdream.dev/llms-txt/plain-docs/llms-txt/sophos-defeat-cyberattacks-with-ai-native-security) [View all 99 projects ](https://mdream.dev/llms-txt/plain-docs/llms-txt) ## Related Tools [

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llms.txt Validator

Validate your llms.txt against the official spec.](https://mdream.dev/llms-txt/plain-docs/tools/llms-txt/validator) © 2026 [Harlan Wilton](https://github.com/harlan-zw) · [MIT](https://github.com/harlan-zw/mdream/blob/main/license) [GitHub](https://github.com/harlan-zw/mdream) [Discord](https://discord.com/invite/275MBUBvgP)