scenario-interaction-closure

scenario-interaction-closure is a skill for Claude Code, Codex from Chisiki1/objective-integrity-framework. It costs 35 tokens per session (278 once invoked), scanned A, original, Apache-2.0.

A procedure for fixing harm scenarios to their source before an important change, then preserving their meaning while breaking evidence into parts and putting it back together. It covers state, ownership, consumers, ordering, recovery, workload, and cross-component effects.

In plain words
What is it for?
Use it to define blind-first harm scenarios before a change and check that later evidence still represents the same situations.
Why use it?
It helps prevent a material change from altering the meaning of a scenario or hiding how components interact.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to define blind-first harm scenarios before a change and check that later evidence still represents the same situations.

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Install with agentmods
npx agentmods add skills/chisiki1/objective-integrity-framework/scenario-interaction-closure
Install

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.

Any agent
npx skills add Chisiki1/objective-integrity-framework --skill scenario-interaction-closure
Clone the repo
git clone --depth 1 https://github.com/Chisiki1/objective-integrity-framework

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for scenario-interaction-closure

README.md
[![agentmods](https://agentmods.dev/badge/skills/chisiki1/objective-integrity-framework/scenario-interaction-closure/github.svg)](https://agentmods.dev/skills/chisiki1/objective-integrity-framework/scenario-interaction-closure)
Your own site
<a href="https://agentmods.dev/skills/chisiki1/objective-integrity-framework/scenario-interaction-closure"><img src="https://agentmods.dev/badge/skills/chisiki1/objective-integrity-framework/scenario-interaction-closure/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.

agentmods 80×15 button for scenario-interaction-closure

Your own site · 80×15
<a href="https://agentmods.dev/skills/chisiki1/objective-integrity-framework/scenario-interaction-closure"><img src="https://agentmods.dev/badge/skills/chisiki1/objective-integrity-framework/scenario-interaction-closure.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 278 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00035 $0.00278
Opus 5.5 $0.00014 $0.00111
Sonnet 5.5 $0.00007 $0.00056
Haiku 4.5 $0.00003 $0.00028

Measured 1mo ago against content hash d8438d699365, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

scenario-interaction-closure 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 1mo ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/test_scenario_closure.py, scripts/validate_scenario_closure.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

runtime/skills/scenario-interaction-closure/SKILL.md · 16 lines

What it actually says

Scenario interaction closure

Use for a material candidate edit, migration, or released action when normal success depends on state, owner, consumer, ordering, recovery, or cross-component evidence.

  1. Derive initial scenarios from the source-bound objective, normal-success envelope, state/owner/consumer/dependency boundaries and change/fault boundary. Do not seed initial generation with an observed error, patch, or test.
  2. Record factors, reachable edges/hyperedges, semantic locks, local and relational claims, final consumer oracles, unmasking/recovery, and a disposition for every frozen relation.
  3. Decompose only when the retained local and relational evidence has a recomposition witness. A missing relation is an orphan, not a PASS.
  4. Run python -B scripts/validate_scenario_closure.py --input <record.json>. It checks schema, identity, no-drop sets, and dispositions only. It cannot prove reachability, harm, causation, witness sufficiency, or consumer success.
  5. On a material delta, append a delta record that names the changed boundary and the decision it can change; do not regenerate unrelated families.
Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

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.

  1. 1mo ago Changed · +2 lines · -21 tokens per session d8438d699365
  2. 1mo ago First seen · 14 lines · 56 tokens per session scan A 4c1553779089

Subscribe to this mod's changes

scenario-interaction-closure is a skill published in the GitHub repository Chisiki1/objective-integrity-framework (23 stars, last pushed 8d ago), licensed Apache-2.0. It adds 35 tokens to every session and 278 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-09-08.

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