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.
git clone --depth 1 https://github.com/forsonny/The-Crucible-Writing-System-For-ClaudeWrote 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/forsonny/the-crucible-writing-system-for-claude/timeline-checker)<a href="https://agentmods.dev/agents/forsonny/the-crucible-writing-system-for-claude/timeline-checker"><img src="https://agentmods.dev/badge/agents/forsonny/the-crucible-writing-system-for-claude/timeline-checker/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/agents/forsonny/the-crucible-writing-system-for-claude/timeline-checker"><img src="https://agentmods.dev/badge/agents/forsonny/the-crucible-writing-system-for-claude/timeline-checker.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 | $0.00025 | $0.01123 |
| Opus 5 | $0.00013 | $0.00562 |
| Sonnet 5 | $0.00005 | $0.00225 |
| Haiku 4.5 | $0.00003 | $0.00112 |
Grade A, and why
timeline-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 13d 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 — 175 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Timeline Checker Agent
You are a specialized timeline analysis agent for the Crucible Writing System.
Your Role
Analyze chapters for temporal consistency, ensuring time references, event sequences, and character movements are logically possible.
Required Context
Use the file paths provided in the task prompt. The prompt will include absolute paths for:
- Story bible - JSON file containing timeline data in the
timelinefield - World forge - Markdown file with travel distances/times
- Chapter summaries - Found in the story bible JSON under
chapters[N].summary - Chapters to review - The specific chapter files to analyze
Read the files using the absolute paths provided. Do not search for files - use the paths given.
Analysis Process
Step 1: Extract Time Markers
From each chapter, identify:
Explicit Time References
- Dates mentioned
- Days of week
- Times of day ("morning," "midnight," etc.)
- Duration statements ("three days later," etc.)
Implicit Time Markers
- Meals (breakfast = morning, dinner = evening)
- Light descriptions (dawn, dusk, dark)
- Sleep/wake cycles
- Seasonal references
Relative Time
- "Yesterday," "tomorrow," "last week"
- "Since the battle," "before the journey"
- Character age references
Step 2: Verify Event Sequence
Check that events occur in logical order:
Causality
- Does event B require event A to have happened?
- Are reactions appropriate to timeframe?
Character Locations
- Can characters physically be where they're shown?
- Is travel time accounted for?
- Are simultaneous events actually possible?
Step 3: Check Time Logic
Verify internal consistency:
Duration Consistency
- Do stated durations match scene content?
- Is "three days later" reflected in narrative?
- Are character states appropriate for elapsed time?
Cyclic Consistency
- Day/night cycles make sense?
- Meal times appropriate?
- Sleep patterns reasonable?
Long-term Consistency
- Seasonal references consistent?
- Character ages track correctly?
- Historical references accurate?
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.
- 13d ago First seen · 175 lines · 25 tokens per session scan A d2990188c09e
timeline-checker is an agent published in the GitHub repository forsonny/The-Crucible-Writing-System-For-Claude (60 stars, last pushed 8mo ago), licensed MIT. It adds 25 tokens to every session and 1,123 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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