requirements-clarification

requirements-clarification is a skill for Claude Code from andr-ca/agentharness. It costs 82 tokens per session (1,289 once invoked), scanned A, original, MIT.

A process for clarifying requirements before implementing a significant software change. It also checks whether a reported problem is real and whether the suggested solution addresses it.

In plain words
What is it for?
Use it before substantial feature work, when requirements have several possible interpretations, or when reviewing an issue, audit finding, or code-review comment.
Why use it?
It reduces rework caused by ambiguous requests, stale issue reports, or proposed fixes that solve the wrong problem.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

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.

agentmods
npx agentmods add skills/andr-ca/agentharness/requirements-clarification
Any agent
npx skills add andr-ca/agentharness --skill requirements-clarification
Clone the repo
git clone --depth 1 https://github.com/andr-ca/agentharness

Made for: Claude Code.

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 requirements-clarification

README.md
[![agentmods](https://agentmods.dev/badge/skills/andr-ca/agentharness/requirements-clarification.svg)](https://agentmods.dev/skills/andr-ca/agentharness/requirements-clarification)
Your own site
<a href="https://agentmods.dev/skills/andr-ca/agentharness/requirements-clarification"><img src="https://agentmods.dev/badge/skills/andr-ca/agentharness/requirements-clarification.svg" alt="Measured on agentmods" height="20"></a>
Per session 82 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,289 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00082 $0.01289
Opus 5 $0.00041 $0.00645
Sonnet 5 $0.00016 $0.00258
Haiku 4.5 $0.00008 $0.00129

Measured 5d ago against content hash 6a5b154aa57b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

requirements-clarification 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 5d 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.

.claude/skills/requirements-clarification/SKILL.md · 162 lines

How it starts

The opening of the file, as written. The whole thing — 162 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Requirements Clarification

Gather requirements before writing code. A few minutes of structured discovery prevents hours of rework. Use this skill when a request is ambiguous, underspecified, or likely to have non-obvious edge cases.

When NOT to clarify: The request is a single, well-scoped bug fix with one clear resolution. Don't block on questions you can resolve by reading the existing code.


Verify the premise before accepting the requirement

Not every requirement arrives as a conversation. Many arrive pre-formed — a filed issue, an audit finding, a review comment, a recommendation document — asserting that something is broken or missing. That is a claim, and claims can be stale, partly wrong, or right for the wrong reason. Check it against the current code before designing anything.

A requirement that arrives with a proposed solution is two claims:

  1. The problem exists.
  2. The proposed change addresses it.

Verify them separately — they fail independently, and the second fails more often. A real problem paired with a wrong remedy is the most expensive case, because the problem being real lends the remedy false credibility.

What you find Right response
Claim true, proposal fits Implement it
Claim true, proposal wrong or backwards Solve it another way; say why
Claim partly true Narrow scope to the true part
Claim false or already fixed Don't implement; record the evidence

Record the null result. "I checked, and it's already correct" is a finding worth writing down. Without it the next person re-investigates from scratch, and a rejected recommendation is indistinguishable from an ignored one.

Watch for the check that passes for the wrong reason. When you write a check to confirm a claim, confirm the check actually exercises what it names. A verification that silently matches nothing looks exactly like one that found nothing wrong — a green result you cannot distinguish from "never ran" is not evidence.

Read the full file on GitHub · 162 lines

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. 5d ago First seen · 162 lines · 82 tokens per session scan A 6a5b154aa57b

Subscribe to this mod's changes

requirements-clarification is a skill published in the GitHub repository andr-ca/agentharness (1 stars, last pushed 2d ago), licensed MIT. It adds 82 tokens to every session and 1,289 once invoked, about $0.0004 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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