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 skills add backbay-labs/thrunt-god --skill thrunt-milestone-summarygit clone --depth 1 https://github.com/backbay-labs/thrunt-godWrote 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/backbay-labs/thrunt-god/thrunt-milestone-summary)<a href="https://agentmods.dev/skills/backbay-labs/thrunt-god/thrunt-milestone-summary"><img src="https://agentmods.dev/badge/skills/backbay-labs/thrunt-god/thrunt-milestone-summary/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.
<a href="https://agentmods.dev/skills/backbay-labs/thrunt-god/thrunt-milestone-summary"><img src="https://agentmods.dev/badge/skills/backbay-labs/thrunt-god/thrunt-milestone-summary.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00020 | $0.00458 |
| Opus 5 | $0.00010 | $0.00229 |
| Sonnet 5 | $0.00004 | $0.00092 |
| Haiku 4.5 | $0.00002 | $0.00046 |
Grade A, and why
thrunt-milestone-summary 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 12d 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.
What it actually says
Purpose: Enable new team members to understand a completed project by reading one document and asking follow-up questions.
Output: MILESTONE_SUMMARY written to .planning/reports/, presented inline, optional interactive Q&A.
<execution_context> @.github/thrunt-god/workflows/milestone-summary.md </execution_context>
User input:
- Version: $ARGUMENTS (optional — defaults to current/latest milestone)
<success_criteria>
- Milestone version resolved (from args, STATE.md, or archive scan)
- All available artifacts read (HUNTMAP, HYPOTHESES, CONTEXT, SUMMARY, VERIFICATION, RESEARCH, RETROSPECTIVE)
- Summary document written to
.planning/reports/MILESTONE_SUMMARY-v{version}.md - All 7 sections generated (Overview, Architecture, Phases, Decisions, Hypotheses, Tech Debt, Getting Started)
- Summary presented inline to user
- Interactive Q&A offered
- STATE.md updated </success_criteria>
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.
- 12d ago First seen · 47 lines · 20 tokens per session scan A 2761255c5718
thrunt-milestone-summary is a skill published in the GitHub repository backbay-labs/thrunt-god (36 stars, last pushed 2mo ago), licensed MIT. It adds 20 tokens to every session and 458 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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