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 AndreVianna/aid-methodology --skill aid-design-stackgit clone --depth 1 https://github.com/AndreVianna/aid-methodologyWrote 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/andrevianna/aid-methodology/aid-design-stack)<a href="https://agentmods.dev/skills/andrevianna/aid-methodology/aid-design-stack"><img src="https://agentmods.dev/badge/skills/andrevianna/aid-methodology/aid-design-stack.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 | $0.00170 | $0.01188 |
| Opus 5 | $0.00085 | $0.00594 |
| Sonnet 5 | $0.00034 | $0.00238 |
| Haiku 4.5 | $0.00017 | $0.00119 |
Grade A, and why
aid-design-stack 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.
How it starts
The opening of the file, as written. The whole thing — 101 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Design Stack (develop a design seed, resolve nothing)
Bind VERB=design, ARTIFACT=stack -- the design stage in the contract's
vocabulary -- then follow the shared contract at
.claude/aid/templates/design-lifecycle.md. This skill binds that contract and
restates none of its rules. The seed it writes is .aid/design/stack.md; realizing it into
the project's C0 document is /aid-create-stack's job, not this one's.
- Boundary vs
/aid-create-stack: that skill realizes the seed into the C0 document; this one only develops the seed. Neither resolves anything on its own. - Boundary vs
/aid-design-configand/aid-research:/aid-design-configconfigures a chosen stack rather than choosing one;/aid-researchanswers an already-formed question -- a decision to make vs a question with an answer. - Not a numbered pipeline phase; does not route to
/aid-execute.
State machine: INTAKE -> DESIGN -> VERIFY (loop) -> PRESENT [user decides] -> DONE, as
design-lifecycle.md § Skill shape defines it. Print the [State: NAME] -- {purpose}
entry line on each state.
State: INTAKE
- Require a subject. Empty argument -> ask one bootstrapping question ("What technology stack do you want to design -- its languages, runtimes, frameworks, and tooling?") and wait.
- Allocate through the Work Initiation Gate exactly as the contract's Allocation rule
requires (
.claude/skills/aid-design/SKILL.mdINTAKE step 4 is the shape), withinitiator: aid-design-stack.phaseis not driven. - Acquire
.aid/design/per the contract, then read.aid/design/stack.mdif a prior seed exists -- re-invocation iterates it rather than starting over. - Classify complexity for the
aid-architectdispatch (verifier tier >= producer).
Advance: DESIGN.
State: DESIGN
Dispatch aid-architect (clean context, tiered) to write or iterate
.aid/design/stack.md in the seed shape the contract fixes (design-seed.md;
feature-002 §4), grounded in .aid/knowledge/ and the project source plus any seed read
in INTAKE. What this artifact's seed must settle: the languages, runtimes, frameworks and
build/test tooling WITH VERSIONS, plus the alternatives rejected and why.
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 · 101 lines · 170 tokens per session scan A 46664f7093aa
aid-design-stack is a skill published in the GitHub repository AndreVianna/aid-methodology (5 stars, last pushed yesterday), licensed MIT. It adds 170 tokens to every session and 1,188 once invoked, about $0.0009 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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