pi-sdd-kit: Instructions file for Codex

AGENTS.md

pi-sdd-kit AGENTS.md is an instructions file for Codex, OpenCode from felipefontoura/pi-sdd-kit. It costs 1,916 tokens per session, scanned A, original, MIT.

Repository instructions for a Pi package that supports Specification-Driven Development, a way to plan software through written steps before coding. It defines the package’s workflow, files, language rules, and commands.

In plain words
What is it for?
Use them when maintaining or using the package’s SDD workflow: IDEA → PLAN → PRD → SPEC → TASKS → EXEC → REVIEW. They also explain the available sdd- commands and important repository locations.
Why use it?
They give the coding agent a consistent process from an idea through planning, implementation, and review. This reduces unclear requirements and makes decisions and checks easier to trace.

Instructions file for CodexOpenCode

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

This is felipefontoura/pi-sdd-kit's own configuration. It tells Codex and OpenCode how to work on pi-sdd-kit 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 pi-sdd-kit configures →

Reuse

Borrowing it

Nothing to install: this file belongs to felipefontoura/pi-sdd-kit. 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/felipefontoura/pi-sdd-kit/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/felipefontoura/pi-sdd-kit

Made for: Codex, OpenCode.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for pi-sdd-kit AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/felipefontoura/pi-sdd-kit/agents-md.svg)](https://agentmods.dev/instructions/felipefontoura/pi-sdd-kit/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/felipefontoura/pi-sdd-kit/agents-md"><img src="https://agentmods.dev/badge/instructions/felipefontoura/pi-sdd-kit/agents-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 1,916 This file is loaded in full into every session.
When invoked 1,916 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.01916 $0.01916
Opus 5 $0.00958 $0.00958
Sonnet 5 $0.00383 $0.00383
Haiku 4.5 $0.00192 $0.00192

Measured 6d ago against content hash fab456b8b084, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

pi-sdd-kit 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 6d 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 · 328 lines

How it starts

The opening of the file, as written. The whole thing — 328 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

This repository contains @felipefontoura/pi-sdd-kit, a Pi package that provides skills and templates for a practical Specification-Driven Development workflow.

Repository Purpose

The package helps Pi users run an SDD workflow with explicit artifacts, human gates, traceability, and verification.

Additional study/reference repositories:

Use sdd-book as conceptual study material for how the SDD workflow should be explained and used.

Use the Compozy skills as an inspiration for quality bar: technical rigor, explicit gates, verification discipline, review structure, controlled scope, and operational clarity. Do not vendor or copy content from either repository unless explicitly requested.

Primary workflow:

IDEA → PLAN → PRD → SPEC → TASKS → EXEC → REVIEW

The public Pi skill commands are intentionally prefixed with sdd-:

/skill:sdd-init
/skill:sdd-steering
/skill:sdd-idea
/skill:sdd-plan
/skill:sdd-prd
/skill:sdd-spec
/skill:sdd-tasks
/skill:sdd-exec
/skill:sdd-review
/skill:sdd-status

Do not reintroduce /sdd:* extension aliases unless explicitly requested.

Language Policy

Repository source, README, skills, templates, and package documentation should be written in EN-US.

Runtime behavior documented by the skills is different:

  • skills should respond in the user's initial chat language;
  • skills should write generated project artifacts in the user's initial chat language;
  • paths, file names, status values, commands, IDs, and code symbols remain canonical and should not be translated.

Important Directories

skills/
  _shared/references/
    sdd-practical.md      # Shared SDD rules, gates, status values, language policy
    templates.md          # Compact internal templates used by skills
  sdd-init/SKILL.md
  sdd-steering/SKILL.md
  sdd-idea/SKILL.md
  sdd-plan/SKILL.md
  sdd-prd/SKILL.md
  sdd-spec/SKILL.md
  sdd-tasks/SKILL.md
  sdd-exec/SKILL.md
  sdd-review/SKILL.md
  sdd-status/SKILL.md

templates/
  README.md
  sdd-index.md
  sdd-workflow.md
  steering-product.md
  steering-tech-stack.md
  steering-conventions.md
  steering-landing-page.md
  steering-principles.md
  idea.md
  plan.md
  requirements.md
  design.md
  tasks.md
  task.md
  review.md
  handoff.md
  issue.md
  adr.md

Read the full file on GitHub · 328 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. 6d ago First seen · 328 lines · 1,916 tokens per session scan A fab456b8b084

Subscribe to this mod's changes

pi-sdd-kit AGENTS.md is an instructions file published in the GitHub repository felipefontoura/pi-sdd-kit (22 stars, last pushed 2mo ago), licensed MIT. It adds 1,916 tokens to every session, about $0.0096 per session on Opus 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 2026-08-30.

Related

Other instructions, from other repositories

vscode buildNext.instructions.md

Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).

microsoft/vscode · 6,785 tokens

codex AGENTS.md

AGENTS.md instructions for openai/codex, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.

openai/codex · 5,182 tokens

vscode oss-third-party-notices.instructions.md

Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, applying the notice (cutover) and fallback chain (never fail the build).

microsoft/vscode · 5,001 tokens

spec-kit AGENTS.md

AGENTS.md instructions for github/spec-kit, covering agents.md, about spec kit and specify, quickstart — add a new integration in 5 steps, integration architecture and integrationmanifest — file tracking.

github/spec-kit · 7,104 tokens

next.js AGENTS.md

AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.

vercel/next.js · 7,296 tokens

langchain AGENTS.md

AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.

langchain-ai/langchain · 4,469 tokens