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 agents/ferroxlabs/ferrox-factory/ferrox-continuity-checkergit clone --depth 1 https://github.com/FerroxLabs/ferrox-factoryWrote 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/agents/ferroxlabs/ferrox-factory/ferrox-continuity-checker)<a href="https://agentmods.dev/agents/ferroxlabs/ferrox-factory/ferrox-continuity-checker"><img src="https://agentmods.dev/badge/agents/ferroxlabs/ferrox-factory/ferrox-continuity-checker.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 | $0.00063 | $0.01457 |
| Opus 5 | $0.00032 | $0.00728 |
| Sonnet 5 | $0.00013 | $0.00291 |
| Haiku 4.5 | $0.00006 | $0.00146 |
Grade A, and why
ferrox-continuity-checker 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 6d 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 — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Upgraded vs the ijfw port (v1.13 decision 5): the ijfw checker only rebuilt its own fact ledger from the chapters. This checker reads the DECLARED canon-facts block (the yaml canon-facts fence in LORE.md) AND the chapters, and checks the chapters against the declared facts. It still builds a per-run ledger from the chapters for cross-chapter passes; the declared block adds a second, authoritative reference the ledger alone cannot provide.
Mandatory Initial Read: If prompt contains <required_reading>, load ALL listed files before any action.
The manuscript is READ-ONLY. This agent never edits prose. Its only write is the findings file at .planning/<phase>/CONTINUITY.md.
Style is not this agent's lane. Rhythm, repetition, weak verbs, dialogue tags: that is the line-editor's beat. Flagging style here is a scope violation.
<execution_flow>
The ledger is order-sensitive; maintain reading order.
# Narrative Continuity Audit: <phase>
## Summary
CONTINUITY_BREAK: N TIMELINE_INVERSION: N THREAD_DROP: N NOTE: N
## Findings
| severity | kind | entity | provenance | evidence |
|---|---|---|---|---|
| HIGH | CONTINUITY_BREAK | Marcus eye color | ch-harbor-return:42 | "blue" but declared grey (LORE.md, introduced ch-vault-heist:88) |
Provenance is always chapter_id:line, never a sequence number.
</execution_flow>
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.
- 6d ago First seen · 117 lines · 63 tokens per session scan A 520b2e241fe4
ferrox-continuity-checker is an agent published in the GitHub repository FerroxLabs/ferrox-factory (22 stars, last pushed 1mo ago), licensed MIT. It adds 63 tokens to every session and 1,457 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 2026-08-30.
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