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AGENTS.md examples from real projects

How real projects brief Codex, Cursor and every other agent that reads AGENTS.md.

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promptfooReads credentialsAGENTS.md

promptfoo

promptfoo/promptfoo/AGENTS.md

team integration tests npm run test:app -- src/pages/path/to/test.test.tsx --run # Run a specific frontend test file from repo root npx vitest path/to/test # Run a specific backend test file # Development

Steady31 mentions in 2 weeks

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27k7mo agoReviewMountCreate a free account to mount
promptfooReads credentialsAGENTS.md

promptfoo / test

promptfoo/promptfoo/test/AGENTS.md

failures - Use `--sequence.seed=12345` to reproduce a specific order ## Writing Tests **Reference files:** - **Vitest (frontend)**: `src/app/src/hooks/usePageMeta.test.ts` - explicit imports - **Vitest (backend)**: `test/assertions/contains.test.ts` - explicit imports All tests require explicit imports from vitest

Steady31 mentions in 2 weeks

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27k7mo agoReviewMountCreate a free account to mount
goauthentikAGENTS.md

authentik

goauthentik/authentik/AGENTS.md

docs live under `website/docs/developer-docs/` and are published at <https://docs.goauthentik.io/docs/developer-docs/>: - `setup/full-dev-environment.mdx` — full backend + frontend dev environment. - `setup/frontend-dev-environment.mdx` — web-only setup. - `setup/debugging.mdx` — attaching a debugger (VS Code config included). - `docs/style-guide.mdx

No other project uses it yet

26k3mo agoReviewMountCreate a free account to mount
goauthentikAGENTS.md

authentik / web

goauthentik/authentik/web/AGENTS.md

i18n (do not edit manually) packages/ core/ # Monorepo utilities (paths, environment, version) sfe/ # Standalone Frontend Engine (Rollup-based) test/ unit/ # Node.js unit tests (*.test.ts) browser/ # Playwright browser tests (*.browser.test.ts

No other project uses it yet

26k3mo agoReviewMountCreate a free account to mount
zulipAGENTS.md

zulip

zulip/zulip/AGENTS.md

what to test for UI changes (the file loads automatically when you work on frontend files). The right attitude is: "What could go wrong, and how do I verify that

26k59d agoReviewMountCreate a free account to mount
activepiecesDeletes or force-pushesAGENTS.md

activepieces

activepieces/activepieces/AGENTS.md

bash npm start # Setup dev + start all npm run dev # Frontend + backend npm run lint-dev # Lint with auto-fix (ALWAYS before done) npx turbo run lint --filter= # Lint

25k5mo agoReviewMountCreate a free account to mount
tursodatabaseAGENTS.md

turso

tursodatabase/turso/AGENTS.md

here are for upstream syncs or harness maintenance. - `postgres/conformance/pg-sqltests/` - `.sqltest` coverage for the PostgreSQL frontend. Tests are meant to pass on both tursopg (`run`) and real PostgreSQL (`run-postgres`). - `testing/cli_tests

25k16d agoReviewMountCreate a free account to mount
nocobaseAGENTS.md

nocobase

nocobase/nocobase/AGENTS.md

including the application's base path. Vite's port (normally 5173) serves the frontend development process and is not the user-facing application entry. This applies to every application, including

Steady7 mentions in 2 weeks

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25k14d agoReviewMountCreate a free account to mount
argoprojAGENTS.md

argo-cd

argoproj/argo-cd/AGENTS.md

strictly enforced. You must use `go modules` for dependency management. * **UI (React/TypeScript):** The frontend is written in React and TypeScript. * **Kubernetes Manifests:** Argo CD heavily relies on Kubernetes manifests

25k31d agoReviewMountCreate a free account to mount
plotlyAGENTS.md

dash

plotly/dash/AGENTS.md

directory: - [COMMANDS.md](.ai/COMMANDS.md) - Build, test, lint - [ARCHITECTURE.md](.ai/ARCHITECTURE.md) - Backend, callbacks, layout - [RENDERER.md](.ai/RENDERER.md) - Frontend, React, Redux - [COMPONENTS.md](.ai/COMPONENTS.md) - Component system - [TESTING.md](.ai/TESTING.md) - Testing patterns - [TROUBLESHOOTING.md](.ai/TROUBLESHOOTING.md) - Common issues

24k6y agoReviewMountCreate a free account to mount
temporalioAGENTS.md

temporal

temporalio/temporal/AGENTS.md

/schema`: database schema definitions for core databases store and visibility store - `/service`: main services (frontend, history, matching, worker, etc.) - `/service/frontend`: frontend service implementation - `/service/history`: history service implementation - `/service/matching`: matching service

24k4mo agoReviewMountCreate a free account to mount
kriasoftAGENTS.md

react-starter-kit

kriasoft/react-starter-kit/AGENTS.md

runtime:** Cloudflare Workers (workerd) – not Bun. Code that ships must run on Workers APIs. - **Frontend:** React 19, TanStack Router, TanStack Query, Jotai, shadcn/ui (new-york), Tailwind CSS v4 - **Backend:** Hono

24k3mo agoReviewMountCreate a free account to mount
marimo-teamAGENTS.md

marimo

marimo-team/marimo/AGENTS.md

marimo Development Guidelines marimo is a reactive notebook for Python with a modern web frontend. ## Your primary responsibility is to the project and its users Being an open source library

23k4mo agoReviewMountCreate a free account to mount
marimo-teamAGENTS.md

marimo / frontend

marimo-team/marimo/frontend/AGENTS.md

Frontend Guidelines ## Key Principles - Write clear, maintainable code over clever/short syntax - Use TypeScript with proper typing for all code - Use functional programming patterns; avoid classes - Favor composition over inheritance - Reduce

No other project uses it yet

23k4mo agoReviewMountCreate a free account to mount
Skyvern-AIAGENTS.md

skyvern

Skyvern-AI/skyvern/AGENTS.md

service layers - `/utils`: Common utility functions - `/webeye`: Web interaction and browser automation - `/skyvern-frontend`: Frontend application - `/integrations`: Third-party service integrations - `/alembic`: Database migrations - `/scripts`: Utility and deployment scripts ## Coding Conventions

23k9mo agoReviewMountCreate a free account to mount
comet-mlReads credentialsAGENTS.md

opik

comet-ml/opik/AGENTS.md

codebase. Main areas: - `apps/opik-backend`: Java backend (source in `src/main/java`, tests in `src/test/java`). - `apps/opik-frontend`: React/TypeScript frontend (`src` and related assets/config). - `apps/opik-documentation`: documentation website and generated API docs. - `sdks/python`, `sdks/typescript`, `sdks/opik_optimizer

Steady6 mentions in 2 weeks

No other project uses it yet

23k3mo agoReviewMountCreate a free account to mount
1Panel-devReads credentialsAGENTS.md

MaxKB

1Panel-dev/MaxKB/AGENTS.md

agentic workflows, and MCP tool-use. Backend is Python 3.11 / Django 5.2 / LangChain; frontend is Vue 3 / Vite. Data layer is PostgreSQL + pgvector and Redis; Celery for async work

23k23mo agoReviewMountCreate a free account to mount
openobserveReads credentialsAGENTS.md

openobserve

openobserve/openobserve/AGENTS.md

clippy::too_many_lines -W clippy::cognitive_complexity -W clippy::excessive_nesting -D warnings`. ## Frontend (web/) - After every change under `web/`, run `npm run format:check` from `web/` before considering

23k13d agoReviewMountCreate a free account to mount
foremAGENTS.md

forem

forem/forem/AGENTS.md

Follow Test Patterns**: Use `create(:factory)` syntax (FactoryBot) and standard RSpec expectations. - **Frontend vs Backend**: We are currently focused on robust backend regression tests. Frontend changes require more manual user

No other project uses it yet

23k4mo agoReviewMountCreate a free account to mount
mediar-aiAGENTS.md

screenpipe

mediar-ai/screenpipe/AGENTS.md

cargo test -p `, or `cargo test --workspace --exclude screenpipe-rfdetr-mlx` as CI does. Frontend is `cd apps/screenpipe-app-tauri && bun run test`. `src-tauri` is excluded from the workspace

1 project uses a version of this

22k13d agoReviewMountCreate a free account to mount
CLAUDE.md vs AGENTS.md

About AGENTS.md

What is AGENTS.md?

An open format for instructions to coding agents, read by Codex, Cursor and others. Think of it as a README written for agents.

Where does it go?

At the repository root, with more specific files in subdirectories. Agents read the one closest to the file they're editing.

What should it contain?

Setup and test commands, code style, and the rules a new contributor would need to know.

Does Claude Code read it?

Claude Code reads CLAUDE.md. A one-line CLAUDE.md that points at AGENTS.md covers both.