Borrowing it
Nothing to install: this file belongs to aiblueprinthq/ai-blueprint. 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/aiblueprinthq/ai-blueprint/main/.agents/skills/feature/SKILL.mdgit clone --depth 1 https://github.com/aiblueprinthq/ai-blueprintWrote 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/aiblueprinthq/ai-blueprint/feature)<a href="https://agentmods.dev/skills/aiblueprinthq/ai-blueprint/feature"><img src="https://agentmods.dev/badge/skills/aiblueprinthq/ai-blueprint/feature/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/aiblueprinthq/ai-blueprint/feature"><img src="https://agentmods.dev/badge/skills/aiblueprinthq/ai-blueprint/feature.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 | $0.00044 | $0.02022 |
| Opus 5 | $0.00022 | $0.01011 |
| Sonnet 5 | $0.00009 | $0.00404 |
| Haiku 4.5 | $0.00004 | $0.00202 |
Grade B, and why
feature scanned grade B with 1 finding 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 yesterday.
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.
Enumerates other installed skillsmediumAgent snooping
Other skills' SKILL.md files reveal prompts, capabilities and secrets that should be invisible to peers.
not inspect other skill directories, `ai-interaction.md`, findings, review records, How it starts
The opening of the file, as written. The whole thing — 189 lines — stays where its author put it; the contents beside it link to each section on GitHub.
feature - create the active implementation spec
Context reuse: Reuse any required file already loaded in project instructions or the current session. Read it again only if absent, changed, or exact current bytes or line references are needed.
This skill plans one feature and stops before implementation. Its output is
blueprint/context/current-feature.md.
Start
First action: Before project inspection, preflight, or any other tool call,
publish the feature activity as running when blueprint/.state/ exists.
Combine that write with the first context-gathering tool batch when the adapter
supports it.
Read blueprint/config.json only for settings that affect the spec. Invalid
configuration stops mutating work and points to /doctor.
Confirm that blueprint/context/current-feature.md is the empty stub. If it
contains active work, stop and direct the user to resume or complete it.
Resolve the target from blueprint/build-plan.md:
- Use the requested number or name when it matches a checklist item.
- With no argument, use the first unchecked leaf item.
- Read only the matching checklist line, its parent, and nearby text needed to understand the hierarchy.
- If a plain list has no checkboxes, treat its first item as unchecked and offer to convert the plan after the spec review.
State the selected feature in one sentence.
Build one authoritative feature packet
Gather the smallest packet that can answer what must be built:
- Search
blueprint/context/project-overview.mdfor the feature number, title, and distinctive nouns from the target line. Read the matching feature passage plus only the data-model, stack, UI, security, or deployment passages it directly depends on. Do not read the whole overview by default. - Inspect the repository once, starting from paths named by those passages. Follow only relevant imports, callers, tests, schemas, and configuration. Batch related searches and reads when supported.
- Use the Commands section already loaded from
AGENTS.md. Read it from disk only when it is absent or changed. Read only applicable sections ofblueprint/context/coding-standards.md. - Run the declared Verify command once when it exists. Record only observed results. Do not start a dev server.
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.
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.
- yesterday Changed · +17 lines scan A → B f173eadd2be0
- 3d ago Changed · +9 lines 3024cb7d2344
- 7d ago Changed · -50 lines · -121 tokens per session adb2e5b64569
- 11d ago First seen · 213 lines · 165 tokens per session scan A cd63453d4de0
feature is a skill published in the GitHub repository aiblueprinthq/ai-blueprint (393 stars, last pushed 2d ago), licensed MIT. It adds 44 tokens to every session and 2,022 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it B with 1 finding (enumerates other installed skills). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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