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 FlyFission/nuclear-grade-context-engineering --skill declaring-intentgit clone --depth 1 https://github.com/FlyFission/nuclear-grade-context-engineeringWrote 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/flyfission/nuclear-grade-context-engineering/declaring-intent)<a href="https://agentmods.dev/skills/flyfission/nuclear-grade-context-engineering/declaring-intent"><img src="https://agentmods.dev/badge/skills/flyfission/nuclear-grade-context-engineering/declaring-intent/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/skills/flyfission/nuclear-grade-context-engineering/declaring-intent"><img src="https://agentmods.dev/badge/skills/flyfission/nuclear-grade-context-engineering/declaring-intent.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00082 | $0.01329 |
| Opus 5.5 | $0.00033 | $0.00532 |
| Sonnet 5.5 | $0.00016 | $0.00266 |
| Haiku 4.5 | $0.00008 | $0.00133 |
Grade A, and why
declaring-intent 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.
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 — 107 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Declaring Intent
Overview
Before a critical action, say what you intend to do and the reasoning behind it, then act unless someone stops you. The value is that a reviewer can challenge the thinking before the action happens, not the wreckage after. The declaration also forces the actor to make the "why" and the "how will I know" explicit. For an agent, the stated intent is a proposal to be reviewed, never evidence that the agent actually understood.
Decision contract
- Claim checked: the declared intent names a falsifying signal (not just success), carries concrete abort criteria and a checked rollback, and the preconditions are proven rather than assumed before the action runs.
- Artifact observed: the intended action and target, the reasoning and precondition evidence, the expected result, and the abort/rollback criteria -> an intent declaration or
intent.md(action, reasoning, expected result, abort, rollback, decision rights, backup) and the actual-vs-expected result. - Decision affected: block -- whether a reviewer clears the critical or irreversible action before it runs, given expected result, abort criteria, and rollback.
- Failure class: unfalsifiable-intent (a stated goal with no falsifying signal, abort threshold, or verified rollback).
- Next action: stop when no rollback exists or abort criteria are unmeasurable; get a second reviewer when only one has seen the reasoning.
When to Use
- Before a deploy, migration, data change, public claim, dependency or model swap, or release.
- When an action is hard to reverse, or its blast radius is more than the immediate file.
- When you want a reviewer's eyes on the reasoning and the abort criteria before execution.
- When standing authority lets an agent proceed unless told no, and the team needs the "no" window.
When Not to Use
- The action is a routine, reversible edit with obvious proof and no trust boundary.
- An incident is live and the next move is stabilization, not a fresh proposal.
- Someone wants the declaration treated as a guarantee or certification.
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.
- 1mo ago First seen · 107 lines · 82 tokens per session scan A c68791d9aae1
declaring-intent is a skill published in the GitHub repository FlyFission/nuclear-grade-context-engineering (33 stars, last pushed 3d ago), licensed MIT. It adds 82 tokens to every session and 1,329 once invoked, about $0.0003 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 2026-08-30.
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