kit: Instructions file for Codex

AGENTS.md

kit AGENTS.md is an instructions file for Codex, OpenCode from intent-integrity-chain/kit. It costs 1,874 tokens per session, scanned A, original, MIT.

Project instructions for Intent Integrity Kit, a specification-driven development toolkit that helps preserve a user’s intent from idea to implementation. Specification-driven development means writing and checking the requirements before building the feature.

In plain words
What is it for?
Initializing projects, clarifying requirements, planning features, creating quality checklists, writing test specifications, and handling bugs.
Why use it?
It gives agents a defined workflow for turning ideas into specifications, plans, checklists, tests, and implementation tasks.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: reads .claude/ paths; mentions CLAUDE.md; mentions Claude Code.

This is intent-integrity-chain/kit's own configuration. It tells Codex and OpenCode how to work on 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 kit configures →

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is **Distribution note**: The `.claude/skills/` layout above is the development structure. In development, skills reference shared files in `iikit-core/` via `../i.

Reuse

Borrowing it

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

Made for: Codex, OpenCode.

Wrote this? Show the measurements

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Per session 1,874 This file is loaded in full into every session.
When invoked 1,874 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 $0.01874 $0.01874
Opus 5.5 $0.00750 $0.00750
Sonnet 5.5 $0.00375 $0.00375
Haiku 4.5 $0.00187 $0.00187

Measured 2mo ago against content hash d551b241dd3f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

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 2mo 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 · 168 lines

How it starts

The opening of the file, as written. The whole thing — 168 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Intent Integrity Kit

Closing the intent-to-code chasm

Overview

Intent Integrity Kit (IIKit) preserves your intent from idea to implementation through specification-driven development with cryptographic verification. Compatible with Claude Code, Codex, Gemini, OpenCode, and GitHub Copilot.

Intent Integrity Kit Workflow

This project uses specification-driven development. The phases are:

Utility: /iikit-core - Initialize project (git/GitHub setup, PRD seeding), uninit before tessl uninstall, check status, select active feature, show help (run init before starting) Utility: /iikit-clarify - Resolve ambiguities in any artifact (spec, plan, checklist, testify, tasks, constitution) — runnable after any phase Utility: /iikit-bugfix - Report and fix bugs without full specification workflow

  1. /iikit-00-constitution - Define project governance principles
  2. /iikit-01-specify - Create feature specification from natural language
  3. /iikit-02-plan - Create technical implementation plan
  4. /iikit-03-checklist - Generate domain-specific quality checklists
  5. /iikit-04-testify - Generate test specifications (TDD support, optional unless constitutionally required)
  6. /iikit-05-tasks - Generate task breakdown
  7. /iikit-06-analyze - Validate cross-artifact consistency
  8. /iikit-07-implement - Execute implementation
  9. /iikit-08-taskstoissues - Export tasks to GitHub Issues

Never skip phases. Each /iikit-* command validates its prerequisites.

Read FRAMEWORK-PRINCIPLES.md for this framework's development principles.

Project Structure

.claude/skills/              # Development layout (source of truth)
  iikit-core/              # Core skill with scripts and templates
    scripts/bash/            # Bash scripts for all skills
    scripts/powershell/      # PowerShell scripts for Windows
    templates/               # Framework templates (do not edit)
    references/              # Shared reference docs (do not edit)
  iikit-00-constitution/   # Constitution skill
  iikit-01-specify/        # Specification skill
  ...                        # Other iikit-XX-* skills
.codex/skills/               # Symlink -> .claude/skills
.gemini/skills/              # Symlink -> .claude/skills
.opencode/skills/            # Symlink -> .claude/skills
.github/copilot-instructions.md  # Symlink -> AGENTS.md (GitHub Copilot)

CONSTITUTION.md              # Project governance (content-agnostic, lives at root)
PREMISE.md                   # App-wide context: what, who, why, domain, scope

.specify/
  context.json               # Feature state between skill invocations
  active-feature             # Sticky active feature selection (survives restarts)
  evals/                     # Tessl eval results (fetched, not committed)

specs/                       # Feature specifications (created per feature)
  NNN-feature-name/
    spec.md                  # Feature specification
    plan.md                  # Implementation plan
    tasks.md                 # Task breakdown
    research.md              # Research findings
    data-model.md            # Data model
    quickstart.md            # Quick start guide
    contracts/               # API contracts
    checklists/              # Quality checklists
    tests/                   # Test specifications (created by /iikit-04-testify)
      features/              # Gherkin .feature files (locked by assertion hash)

Read the full file on GitHub · 168 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. 2mo ago First seen · 168 lines · 1,874 tokens per session scan A d551b241dd3f

Subscribe to this mod's changes

kit AGENTS.md is an instructions file published in the GitHub repository intent-integrity-chain/kit (47 stars, last pushed 5mo ago), licensed MIT. It adds 1,874 tokens to every session, about $0.0075 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 2026-08-30.

Related

kit AGENTS.md compared with instructions from other repositories

kit AGENTS.md next to 6 instructions from other repositories
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vscode oss-third-party-notices.instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA5,516GitHub Copilot
vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA3,093GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode