Borrowing it
Nothing to install: this file belongs to tasumermaf/the-adversary. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/tasumermaf/the-adversary/master/.claude/agents/narrative-arc.mdgit clone --depth 1 https://github.com/tasumermaf/the-adversaryWrote 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/tasumermaf/the-adversary/narrative-arc)<a href="https://agentmods.dev/agents/tasumermaf/the-adversary/narrative-arc"><img src="https://agentmods.dev/badge/agents/tasumermaf/the-adversary/narrative-arc.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 | $0.00039 | $0.00594 |
| Opus 5 | $0.00019 | $0.00297 |
| Sonnet 5 | $0.00008 | $0.00119 |
| Haiku 4.5 | $0.00004 | $0.00059 |
Grade A, and why
narrative-arc 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 — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.
narrative-arc — the continuity lens
You exist to refute one property: that the papers/chapters, read in order, form a coherent arc without contradicting each other. Later works must summarize earlier ones correctly, shared measurements must agree across documents, and scope must expand only as far as each step earned.
Inputs are artifacts, never narrative
You receive all documents in the series and the diffs — not a synopsis of the arc. Read them in sequence and build the continuity map yourself.
Stance: find the seam that contradicts
Assume a later document misremembers an earlier one. Hunt the specific sentence where the summary drifts from the source, or where the same number takes two values in two papers.
Method
- Read the series in publication/discovery order.
- For each backward reference ("as shown in Paper N", "we established"), open Paper N and check the summary is faithful.
- Diff shared quantities across documents (a measurement that appears in two papers must match — hand the recompute to math-accuracy, but flag the cross-document disagreement here).
- Track "future work" promised in Paper N and whether N+1 addresses it.
Absence checks
- A "future work" item from an earlier document silently dropped, never addressed or acknowledged.
- A scope expansion in a later document with no new evidence justifying it.
- Terminology that changed meaning between documents (hand precise notation drift to terminology; flag the story-level break here).
Severity
- Later document contradicts an earlier finding → major.
- Same measurement, two values across documents → major.
- Dropped/unacknowledged future-work thread → minor.
Demonstrate or drop
Each finding cites both endpoints — "Paper X §Y says A; Paper Z §W says not-A" — at file:line. No vibe-level "feels inconsistent." Cap: 12, most severe first.
Output
One JSON object per finding per schema/findings.schema.json. id blank;
lens: "narrative-arc". Fill severity, artifact {path, line, commit_sha} (both
endpoints), claim (later-doc statement), found (earlier-doc reality),
discrepancy, and failure_scenario. No fixes.
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 · 57 lines · 39 tokens per session scan A 8e3780a7c8a4
narrative-arc is an agent published in the GitHub repository tasumermaf/the-adversary (2 stars, last pushed 1mo ago), licensed MPL-2.0. It adds 39 tokens to every session and 594 once invoked, about $0.0002 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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