AGENTS.md · MetaMask/metamask-extension
AGENTS.md from MetaMask/metamask-extension: 1743 lines covering Agent Instructions Summary, Quick Setup, Common Commands, Common Agent Workflows and more.
Template by MetaMask
Chalk Labs
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Chalk Labs sets up agents like this inside real teams: connected to your tools, tested on your data, with a human in the loop where it matters.
Install
Works with Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode, Claude Code. Read the repository before you give any tool access to your data.
curl -fsSL https://raw.githubusercontent.com/MetaMask/metamask-extension/main/AGENTS.md -o AGENTS.md
Read it and adapt it to your project before use.
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About
Use cases: prompt-engineering, code-generation
Reviews
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What's in it
An AGENTS.md file: instructions coding agents (Codex, Cursor, Copilot, Gemini CLI and others) read before working in a repo.
- For
- Codex, Cursor, GitHub Copilot, Gemini CLI, OpenCode, Claude Code
- Length
- 1,743 lines
- File
AGENTS.md
Sections
- Agent Instructions Summary
- Quick Setup
- Common Commands
- Common Agent Workflows
- Project Structure
- Working with Feature Flags
- LavaMoat Security System
- Browser Compatibility
- Testing Strategy
- State Migrations
- Pull Request Workflow
- Code Style & Standards
- React Performance Optimization
- Error Handling for Agents
- Troubleshooting
- Agent Pre-Completion Checklist
- Additional Resources
- Cursor Cloud specific instructions
The repository's license isn't open source, so the text isn't shown here. Read it on GitHub.
Signals
- Stars
- 13,246
- Forks
- 5,601
- Open issues
- 2,329
- Last commit (this folder)
- Sep 17, 2026 (1 month ago)
- Last release
- Oct 19, 2026 (12 days ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- NOASSERTION
- Repository
- github.com/MetaMask/metamask-extension
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
Done for you
Rather not set it up yourself?
Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.
See how we build AI agents →Read the case studies
Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.
- launches shipped
- 50+
- launches shipped
- media placements
- 500+
- media placements
- founders on every account
- 2
- founders on every account
Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block
Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.
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Cite this page
AGENTS.md · MetaMask/metamask-extension. Agent Mart. https://agentmart.dev/templates/metamask-metamask-extension-agents-md (last updated 2026-10-24)