9Router
Focus: llm gateway, codex and free ai. Shares claude code and cursor with Agent Rules. Freemium (Agent Rules: Free). Adds Web. Rated 4.5 (Agent Rules: 4.3).
AI ToolFree planWeb, Cross-Platform
4.5Visit
AI Tool
Agent Rules
Rules and instructions for agentic coding tools like Cursor, Claude CLI, Gemini CLI, Cline and more.
Rating
4.3 / 5
Pricing
Free
Difficulty
Beginner
Works on
Cross-Platform
Built with love by Shushant Lakhyani. Building bestproductivityresources.com
What is Agent Rules?
Agent Rules is a collection of rules and instructions for agentic coding tools including Cursor, Claude CLI, Gemini CLI, Qodo and Cline, to guide them towards better, safer code.
Third-party open-source projects. We are not affiliated with their authors; repositories are provided as-is by their maintainers. Review each project's license, code and security before installing. See our Disclaimer.
Pros: what Agent Rules does well
- Ready-made rules for many coding agents
- From a well-known security engineer
- Apache-2.0 licensed
Cons: where it falls short
- Rules need adapting to your project
- Small collection
Who Agent Rules is for
Developers who want sensible defaults for their coding agents.
Who can skip it
People who do not use coding agents.
Agent Rules alternatives
Not sold on Agent Rules? These do a similar job, and each card says what it has in common.
MARM Memory
Focus: ai memory, mcp and local first. Shares claude code and cursor with Agent Rules. Adds macOS, Windows and Linux. Rated 4.5 (Agent Rules: 4.3).
AI ToolFreemacOS, Windows
4.5Visit
Uizze
Focus: ai design, coding agents and ui inspiration. Shares claude code and cursor with Agent Rules. Freemium (Agent Rules: Free). Adds Web. Rated 4.5 (Agent Rules: 4.3).
AI ToolFree planWeb
4.5Visit
dispatchseo
Focus: seo, ai agents and marketing. Shares claude code and cursor with Agent Rules. Adds Web. Rated 4.4 (Agent Rules: 4.3).
AI ToolFreeWeb, Cross-Platform
4.4Visit
OpenCastle
Focus: agent config and multi agent. Shares cursor and claude code with Agent Rules. Rated 4.4 (Agent Rules: 4.3).
AI ToolFreeCross-Platform
4.4Visit
runtm
Focus: ai agents, sandboxes and coding agents. Shares claude code and cursor with Agent Rules. Freemium (Agent Rules: Free). Adds Web, macOS and Linux. Rated 4.4 (Agent Rules: 4.3).
AI ToolFree planWeb, macOS
4.4Visit
Free alternatives to Agent Rules
Want to spend nothing? These free picks cover similar ground.
365 Skills
Focus: agent skills, copilot and productivity. Shares claude code and cursor with Agent Rules. Same 4.3 rating.
AI ToolFreeCross-Platform
4.3Visit
Geoscience Skills
Focus: geoscience, ai agents and seismic. Shares claude code and cursor with Agent Rules. Same 4.3 rating.
AI ToolFreeCross-Platform
4.3Visit
Hallmark
Focus: design skill, ui design and codex. Shares claude code and cursor with Agent Rules. Same 4.3 rating.
AI ToolFreeCross-Platform
4.3Visit
Agent Skills Workflow Template
Focus: agent skills, agents.md and codex. Shares claude code and cursor with Agent Rules. A website, not an AI tool. Adds Web. Rated 4.7 (Agent Rules: 4.3).
WebsiteFreeWeb, Cross-Platform
4.7Visit
Agentfiles
Focus: obsidian, obsidian plugin and ai agents. Shares claude code and cursor with Agent Rules. A website, not an AI tool. Adds Web, macOS and Windows. Rated 4.7 (Agent Rules: 4.3).
WebsiteFreeWeb, macOS
4.7Visit
ASO Skills
Focus: aso, app store optimization and app marketing. Shares claude code and cursor with Agent Rules. A website, not an AI tool. Adds Web. Rated 4.7 (Agent Rules: 4.3).
WebsiteFreeWeb, Cross-Platform
4.7Visit
Are you the maker of Agent Rules?Get a free Featured badge for your site, a share image and ready-to-paste posts. No sign-up.
New · updated daily
What people are actually doing with AI
Real use cases shared on Reddit, Hacker News, X, GitHub and blogs, summarised in plain words with a link to every original post.
Free Notion database
1,100+ ways people are making money online
Real online businesses, creators and projects, broken down by how they make money: apps, online stores, AI tools and more. Free on Gumroad.
Get the free databaseFree Notion database
399+ ways to make money online
Hundreds of online income methods in one place, so you can compare options and pick one to try. Free on Gumroad.
Get the free listFor research and ideas only. Results vary and nothing here is a promise of income. See our Disclaimer.
Weekly newsletter
Everything new, every Monday.
One short email every Monday with everything shipped that week: new free tools and websites, new guides, new free browser tools and what's new in my free Gumroad libraries, plus how the site is growing. Free, and you can unsubscribe anytime.
Join the newsletterYou sign up on Gumroad, which stores your email to send the newsletter. See our Privacy Policy.