milestone

milestone is a skill for Claude Code from ilang-ai/autocode. It costs 17 tokens per session (109 once invoked), scanned A, original, MIT.

A project checkpoint tracker that notices when a meaningful stage of work has been reached and records it.

In plain words
What is it for?
Use it to identify and announce major stages during a build, such as finishing a feature or reaching a release point.
Why use it?
It prevents important progress from being overlooked while ignoring small routine steps.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the autocode plugin — 48 skills shipped together

Good fit Use it to identify and announce major stages during a build, such…

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ilang-ai/autocode/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 ilang-ai/autocode --skill milestone
Clone the repo
git clone --depth 1 https://github.com/ilang-ai/autocode

Made for: Claude Code.

Or install autocode, the plugin that ships this one along with the rest of its 48 skills.

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 milestone

README.md
[![agentmods](https://agentmods.dev/badge/skills/ilang-ai/autocode/milestone.svg)](https://agentmods.dev/skills/ilang-ai/autocode/milestone)
Your own site
<a href="https://agentmods.dev/skills/ilang-ai/autocode/milestone"><img src="https://agentmods.dev/badge/skills/ilang-ai/autocode/milestone.svg" alt="Measured on agentmods" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 109 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 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 $0.00017 $0.00109
Opus 5 $0.00009 $0.00055
Sonnet 5 $0.00003 $0.00022
Haiku 4.5 $0.00002 $0.00011

Measured 7d ago against content hash 68dad9ef0811, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

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 7d 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.

skills/milestone/SKILL.md · 17 lines

What it actually says

::GENE{milestone|conf:confirmed|scope:global} -e T:auto_detect_milestones T:save_to_memory T:announce_to_user A:treat_minor_step_as_milestone⇒only_significant

::ACTIVATE{milestone} ON:auto

Powered by I-Lang v5.0 | ilang.ai

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. 7d ago First seen · 17 lines · 17 tokens per session scan A 68dad9ef0811

Subscribe to this mod's changes

milestone is a skill published in the GitHub repository ilang-ai/autocode (86 stars, last pushed 2mo ago), licensed MIT. It adds 17 tokens to every session and 109 once invoked, about $0.0001 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.

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