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.
npx agentmods add skills/legacybridge-tech/claude-plugins/track-milestonenpx skills add legacybridge-tech/claude-plugins --skill track-milestonegit clone --depth 1 https://github.com/legacybridge-tech/claude-pluginsWrote 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.
[](https://agentmods.dev/skills/legacybridge-tech/claude-plugins/track-milestone)<a href="https://agentmods.dev/skills/legacybridge-tech/claude-plugins/track-milestone"><img src="https://agentmods.dev/badge/skills/legacybridge-tech/claude-plugins/track-milestone.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00051 | $0.03814 |
| Opus 5 | $0.00026 | $0.01907 |
| Sonnet 5 | $0.00010 | $0.00763 |
| Haiku 4.5 | $0.00005 | $0.00381 |
Grade A, and why
track-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 5d 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.
How it starts
The opening of the file, as written. The whole thing — 641 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Track Milestone Skill
When to use this Skill
Activate when the user:
- Mentions creating, updating, or checking milestones
- Uses keywords: "milestone", "deadline", "deliverable", "release", "target", "due date"
- Wants to track major project achievements
- References project timeline or roadmap
- Needs to manage milestone dependencies
- Wants to see progress toward goals
Workflow
Phase 1: Context Discovery & Intent Recognition
Objective: Understand project structure and user's specific milestone intent.
Steps:
-
Locate project RULE.md and milestones.yaml:
ls RULE.md milestones.yaml -
Read both files:
- RULE.md: Project methodology, milestone tracking preferences
- milestones.yaml: Existing milestones and structure
-
Detect user intent:
- Create milestone: "create milestone", "add milestone", "new milestone"
- Update milestone: "update milestone", "milestone progress", "mark complete"
- Check status: "milestone status", "show milestones", "timeline"
- Manage dependencies: "milestone depends on", "blocking milestone"
-
Route to appropriate workflow:
- Create → Workflow A
- Update → Workflow B
- Status → Workflow C
- Dependencies → Workflow D
Workflow A: Create Milestone
Objective: Add a new milestone to the project timeline.
Steps:
-
Gather milestone details:
Name:
Milestone name? Example: "Beta Release", "MVP Launch", "Security Audit Complete"Description:
Brief description of what this milestone represents?Target date:
Target completion date? (YYYY-MM-DD or relative like "end of Q2")Deliverables:
What needs to be delivered for this milestone? - Deliverable 1 - Deliverable 2Owner (optional):
Who's responsible for this milestone? (@name or "Team")Dependencies (optional):
Does this milestone depend on any other milestones? Example: "After Alpha Release" or "After milestones 1 and 2"
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.
- 5d ago First seen · 641 lines · 51 tokens per session scan A cac3b8a3acb7
track-milestone is a skill published in the GitHub repository legacybridge-tech/claude-plugins (6 stars, last pushed 3mo ago), licensed MIT. It adds 51 tokens to every session and 3,814 once invoked, about $0.0003 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 2026-08-31.
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