seal-milestone

seal-milestone is a skill for Codex from kohj1018/agentic-dev-harness. It costs 32 tokens per session (290 once invoked), scanned A, a copy of accept-milestone, MIT.

A milestone-closing procedure that runs only when the user explicitly types $seal-milestone. It follows the repository's documented workflow and preserves its project rules.

In plain words
What is it for?
Use it when formally closing a project milestone and checking the required source instructions, repository policies, and next-step command references.
Why use it?
It prevents a milestone from being marked complete through an accidental or vague request. It also translates documented Claude slash-command references into the equivalent Codex form.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: reads .claude/ paths; installed under .agents/ (shared by several agents); mentions AGENTS.md.

Good fit Use it when formally closing a project milestone and checking the required source instructions, repository policies, and next-step command references.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/kohj1018/agentic-dev-harness/seal-milestone
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add kohj1018/agentic-dev-harness --skill seal-milestone
Clone the repo
git clone --depth 1 https://github.com/kohj1018/agentic-dev-harness

Made for: Codex.

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 seal-milestone

README.md
[![agentmods](https://agentmods.dev/badge/skills/kohj1018/agentic-dev-harness/seal-milestone/github.svg)](https://agentmods.dev/skills/kohj1018/agentic-dev-harness/seal-milestone)
Your own site
<a href="https://agentmods.dev/skills/kohj1018/agentic-dev-harness/seal-milestone"><img src="https://agentmods.dev/badge/skills/kohj1018/agentic-dev-harness/seal-milestone/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for seal-milestone

Your own site · 80×15
<a href="https://agentmods.dev/skills/kohj1018/agentic-dev-harness/seal-milestone"><img src="https://agentmods.dev/badge/skills/kohj1018/agentic-dev-harness/seal-milestone.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 32 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 290 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 89% copy Near-identical to another mod 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 $0.00032 $0.00290
Opus 5.5 $0.00013 $0.00116
Sonnet 5.5 $0.00006 $0.00058
Haiku 4.5 $0.00003 $0.00029

Measured 1mo ago against content hash 087746342f13, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

seal-milestone 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.

Origin

This is a copy

89% identical to accept-milestone — 12 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/seal-milestone/SKILL.md · 17 lines

What it actually says

Source of truth: .claude/skills/seal-milestone/SKILL.md. Read it and follow the workflow.

Treat all frontmatter keys other than name and description (e.g., agent:, disable-model-invocation:, allowed-tools:, context:, argument-hint:, model:, effort:) as Claude-only and ignore them — execute locally in Codex.

Slash command translation: 본문 안의 /seal-milestone 표기는 Claude 슬래시 커맨드다. Codex에서는 $seal-milestone으로 읽고 사용자에게 안내한다 (예: 본문 "다음 단계: /implement-workitem T-001" → Codex 응답에서는 "다음 단계: $implement-workitem T-001"). Codex CLI는 /를 빌트인 슬래시 커맨드에 쓰므로 명시적 치환이 필요.

Preserve all repo policies from AGENTS.md and docs/.

If the source path no longer exists, this wrapper is stale — see ADR-010.

정책 근거: ADR-060 (decision closure & milestone seal).

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 17 lines · 32 tokens per session scan A 087746342f13

Subscribe to this mod's changes

seal-milestone is a skill published in the GitHub repository kohj1018/agentic-dev-harness (2 stars, last pushed 25d ago), licensed MIT. It adds 32 tokens to every session and 290 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 89% identical to accept-milestone, differing in 12 lines, and is treated as a copy.

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