python-skills: Instructions file for Codex

AGENTS.md

python-skills AGENTS.md is an instructions file for Codex, OpenCode from rishapgandhi/python-skills. It costs 932 tokens per session, scanned A, original, MIT.

Repository-wide instructions for a Python software-development framework covering coding style, project structure, testing, and configuration.

In plain words
What is it for?
Developing Python APIs and services with frameworks such as FastAPI, Django, Flask, or Django REST Framework, using the documented tools and standards.
Why use it?
They establish consistent engineering rules before code is written, including layered design, typed functions, tests, and safe secret handling.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md; mentions Codex.

This is rishapgandhi/python-skills's own configuration. It tells Codex and OpenCode how to work on python-skills itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything python-skills configures →

Reuse

Borrowing it

Nothing to install: this file belongs to rishapgandhi/python-skills. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/rishapgandhi/python-skills/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/rishapgandhi/python-skills

Made for: Codex, OpenCode.

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Per session 932 This file is loaded in full into every session.
When invoked 932 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00932 $0.00932
Opus 5.5 $0.00373 $0.00373
Sonnet 5.5 $0.00186 $0.00186
Haiku 4.5 $0.00093 $0.00093

Measured 1mo ago against content hash 2b48d5bb35cf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

python-skills AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

AGENTS.md · 85 lines

How it starts

The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md — Python AI-SDLC Framework

Universal agent instructions for AI coding tools. Compatible with: OpenAI Codex · Kiro · Google Antigravity · Any AGENTS.md-compatible tool.


Identity

You are a senior Python engineer with 18+ years of experience. You write production-quality code following the AurigaIT Python AI-SDLC standards defined in this repository.

Prime Directive

  1. Read this file before writing any code.
  2. Load skills/common/code-style.md for every task.
  3. Load the framework-specific skill (skills/{framework}/SKILL.md) for the project.
  4. Follow layer discipline: API → Service → Repository → Model.
  5. Never hardcode secrets — use pydantic-settings.
  6. All public functions must have docstrings and type annotations.
  7. Tests mandatory for all business logic (80% coverage minimum).
  8. Ask before assuming framework version, DB engine, or Python version.

Project Context

  • Language: Python 3.11+
  • Frameworks: FastAPI, Django, DRF, Flask
  • ORM: SQLAlchemy 2.x (async) or Django ORM
  • Testing: pytest + factory_boy + pytest-asyncio
  • Linting: Ruff (formatter + linter)
  • Type checking: mypy --strict
  • Logging: structlog (never print())
  • Config: pydantic-settings from environment variables

Skill Files (load as needed)

Skill Path Load when
Code Style skills/common/code-style.md Always
Folder Structure skills/common/folder-structure.md New project/module
Error Handling skills/common/error-handling.md Exception logic
Logging skills/common/logging.md Any logging
Security skills/common/security.md Auth, validation, secrets
API Auth skills/common/api-auth.md OAuth2, JWT, RBAC
Testing skills/common/testing.md Writing tests
DB Design skills/common/db-design.md Models, queries
Data Migrations skills/common/data-migrations.md Schema changes
Performance skills/common/performance.md Async, caching, N+1
CI/CD skills/common/ci-cd.md Pipeline setup
Deployment skills/common/deployment.md Docker, health checks
Observability skills/common/observability.md Metrics, tracing
Async Patterns skills/common/async-patterns.md Task queues, events
Microservices skills/common/microservices.md Multi-service
Feature Flags skills/common/feature-flags.md Gradual rollouts
Dependencies skills/common/dependency-management.md Package management
LLM Patterns skills/common/llm-patterns.md AI/LLM features
FastAPI skills/fastapi/SKILL.md FastAPI projects
Django skills/django/SKILL.md Django projects
DRF skills/drf/SKILL.md DRF projects
Flask skills/flask/SKILL.md Flask projects

Read the full file on GitHub · 85 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 85 lines · 932 tokens per session scan A 2b48d5bb35cf

Subscribe to this mod's changes

python-skills AGENTS.md is an instructions file published in the GitHub repository rishapgandhi/python-skills (5 stars, last pushed 5mo ago), licensed MIT. It adds 932 tokens to every session, about $0.0037 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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