Free developer tools
Free tools for docs - useful alone, better with a connected repo.
Mermaid, SQL ER, README, AGENTS.md, ADRs, and llms.txt - no account. Connect GitHub when you want them kept current on merge.
Mermaid Diagram Editor
Private in-browser editor with instant preview, shareable URLs, and SVG export.
Open toolSQL to ER Diagram
Paste CREATE TABLE SQL for a live Mermaid ER diagram, SVG/PNG export, and optional AI data-model docs.
Open toolREADME Generator
Structured README builder with live Markdown preview and shareable export.
Open toolllms.txt Generator
Import a sitemap, edit with live preview, and export a valid llms.txt for AI agents.
Open toolAGENTS.md Generator
Structured AGENTS.md builder with live preview, examples, and shareable export for coding agents.
Open toolADR Generator
Form-driven Architecture Decision Records with examples and clean Markdown export.
Open toolllms.txt Validator
Paste or upload llms.txt to validate structure, links, and Optional section placement.
Open tool.cursorrules Generator
Draft Cursor Rules (.cursorrules) with structured guidelines, live preview, and markdown export.
Open toolCLAUDE.md Generator
Structured CLAUDE.md file generator for Claude Code with commands, conventions, and export.
Open tool.windsurfrules Generator
Draft Windsurf Rules (.windsurfrules) with structured guidelines, live preview, and markdown export.
Open tool
Used a free tool? Connect a repo before the output drifts.
Moxie indexes your GitHub repositories, rewrites docs when code changes, and serves conventions to Cursor, Claude Code, and Codex over MCP.