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/bostonorange/claude-code-framework/ccf-failure-archaeologynpx skills add BostonOrange/claude-code-framework --skill ccf-failure-archaeologygit clone --depth 1 https://github.com/BostonOrange/claude-code-frameworkWrote 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/bostonorange/claude-code-framework/ccf-failure-archaeology)<a href="https://agentmods.dev/skills/bostonorange/claude-code-framework/ccf-failure-archaeology"><img src="https://agentmods.dev/badge/skills/bostonorange/claude-code-framework/ccf-failure-archaeology.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 | $0.00150 | $0.04086 |
| Opus 5 | $0.00075 | $0.02043 |
| Sonnet 5 | $0.00030 | $0.00817 |
| Haiku 4.5 | $0.00015 | $0.00409 |
Grade A, and why
ccf-failure-archaeology 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 — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Failure Archaeology — the Chronicle of Settled Battles
The repo's incident history: significant investigations, dead ends, and re-fixes, written up so nobody rediscovers a root cause already in git log. Every hash was re-verified against this repo on 2026-07-11 with git show <hash> and git branch -a --contains <hash>.
Status vocabulary: fixed-on-main (merged, done), merged-2026-07-11 (was stranded on origin/claude/codebase-assessment-7p9rq7 from 2026-06-11 until that branch was merged on 2026-07-11), open (known, unfixed), settled-decision (deliberately rejected — do not reintroduce).
Usage
Load this when a symptom matches an entry (the Edge Cases table maps symptoms to entries), when about to propose something the repo already tried and removed (pre-commit git hooks, a broad refactor agent), or when asking what the assessment branch contained before it merged.
Do NOT load this for: the current doc-drift fix campaign (ccf-doc-sync-campaign), what each test gates today (ccf-testing-and-qa), bash/PowerShell mirroring procedure (ccf-parity-playbook), or merge gating (ccf-change-control). This skill is history and judgment; siblings own current state and procedure.
Entry 1 — The PowerShell smoke chain (flagship)
The single most instructive incident in this repo's history. Three commits, three layers of failure; the first fix landed immediately, the other two sat stranded on a side branch for a month before merging on 2026-07-11.
Chapter 1: 42e6a98 (2026-05-28, fixed-on-main).
- Symptom:
setup.ps1threw parser errors under Windows PowerShell 5.1 (nopwshinstalled). - Root cause: without a UTF-8 BOM, WPS 5.1 read the file as ANSI and mis-decoded an em-dash in the pre-commit sentinel string as a smart quote, closing the string early. Fix: add the BOM (a 1-line change to
setup.ps1). - Lesson:
setup.ps1must keep its UTF-8 BOM forever; the em-dash sentinel must byte-matchsetup.shand the installed hook.
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 · 134 lines · 150 tokens per session scan A 7ab7e799e1f6
ccf-failure-archaeology is a skill published in the GitHub repository BostonOrange/claude-code-framework (2 stars, last pushed 1mo ago), licensed MIT. It adds 150 tokens to every session and 4,086 once invoked, about $0.0007 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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