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 yogsoth-ai/stress-test --skill assumption-cascadegit clone --depth 1 https://github.com/yogsoth-ai/stress-testWrote 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/yogsoth-ai/stress-test/assumption-cascade)<a href="https://agentmods.dev/skills/yogsoth-ai/stress-test/assumption-cascade"><img src="https://agentmods.dev/badge/skills/yogsoth-ai/stress-test/assumption-cascade.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 | $0.00029 | $0.00544 |
| Opus 5 | $0.00015 | $0.00272 |
| Sonnet 5 | $0.00006 | $0.00109 |
| Haiku 4.5 | $0.00003 | $0.00054 |
Grade A, and why
assumption-cascade 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 7d 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.
This is a copy
100% identical to assumption-cascade — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 63 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Assumption Cascade Tactic
Attack assumptions at their roots and trace how failures propagate through dependency chains.
Orchestration
- key-assumptions-check surfaces all assumptions (explicit and implicit)
- assumption-cascade-tracer builds dependency graph (which assumptions depend on which)
- Root assumptions identified (those with no upstream dependencies)
- devils-advocacy constructs strongest attack against each root assumption
- probe-execution tests root assumptions — if root fails, trace downstream cascade
- assumption-cascade-tracer maps full cascade: which conclusions collapse if root fails
- finding-aggregation reports cascade paths and total impact scope
Subagents Dispatched
- key-assumptions-check (1 call for enumeration)
- assumption-cascade-tracer (2 calls: dependency build + cascade trace)
- devils-advocacy (1 call per root assumption)
- probe-execution (1 call per root attack)
- finding-aggregation (1 call at end)
Termination Conditions
- All root assumptions tested (budget permitting)
- Cascade found that invalidates >50% of conclusions (critical finding)
- All assumptions survive attack (artifact resilient at assumption level)
- Budget exhausted (report partial coverage)
Available SOPs
Optional, no fixed order; the final leaf is always a sop.
| SOP | When to use |
|---|---|
| assumption-cascade-tracer | Build assumption dependency graphs and trace cascade failures when root assumptions are invalidated. |
| devils-advocacy | Construct the strongest possible counter-argument against a position, steelmanning the opposition before attacking. |
| finding-aggregation | Aggregate, deduplicate, and classify findings from multiple probes into a coherent vulnerability report. |
| key-assumptions-check | Military ACT: systematically enumerate all assumptions, classify by type, and evaluate evidence strength supporting each. |
| probe-execution | Execute a single attack probe against an artifact, record the result with evidence and severity classification. |
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.
- 7d ago First seen · 63 lines · 29 tokens per session scan A 465f81fff0c5
assumption-cascade is a skill published in the GitHub repository yogsoth-ai/stress-test (2 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 29 tokens to every session and 544 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to assumption-cascade, differing in 0 lines, and is treated as a copy.
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