using-sumo-qa

using-sumo-qa is a skill for Claude Code from sumithr/sumo-qa. It costs 152 tokens per session (3,742 once invoked), scanned A, original, Apache-2.0.

A QA routing and guidance workflow for testing, code review, test planning, and release-safety questions. TDD, or test-driven development, means writing tests before the code they check.

In plain words
What is it for?
It supports requests about test strategy, regression checks, exploratory testing, code review, test data, mutation testing, and whether changes are safe to merge.
Why use it?
It helps choose an appropriate way to investigate software behavior and keeps testing advice focused on evidence and risk.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions subagents.

Part of the sumo-qa plugin — 20 skills, 2 agents, 3 hooks, 1 MCP server shipped together

Good fit It supports requests about test strategy, regression checks, exploratory testing, code review, test data, mutation testing, and whether changes are safe to merge.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/sumithr/sumo-qa/using-sumo-qa
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 sumithr/sumo-qa --skill using-sumo-qa
Clone the repo
git clone --depth 1 https://github.com/sumithr/sumo-qa

Made for: Claude Code.

Or install sumo-qa, the plugin that ships this one along with the rest of its 20 skills, 2 agents, 3 hooks, 1 MCP server.

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 using-sumo-qa

README.md
[![agentmods](https://agentmods.dev/badge/skills/sumithr/sumo-qa/using-sumo-qa/github.svg)](https://agentmods.dev/skills/sumithr/sumo-qa/using-sumo-qa)
Your own site
<a href="https://agentmods.dev/skills/sumithr/sumo-qa/using-sumo-qa"><img src="https://agentmods.dev/badge/skills/sumithr/sumo-qa/using-sumo-qa/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 using-sumo-qa

Your own site · 80×15
<a href="https://agentmods.dev/skills/sumithr/sumo-qa/using-sumo-qa"><img src="https://agentmods.dev/badge/skills/sumithr/sumo-qa/using-sumo-qa.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 152 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,742 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 $0.00152 $0.03742
Opus 5.5 $0.00061 $0.01497
Sonnet 5.5 $0.00030 $0.00748
Haiku 4.5 $0.00015 $0.00374

Measured 24d ago against content hash a66a97f84cf9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

using-sumo-qa 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 24d 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.

skills/using-sumo-qa/SKILL.md · 129 lines

How it starts

The opening of the file, as written. The whole thing — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Using sumo-qa

This hop is silent: no announcement, tracker, status, or skill name reaches the user; the routed skill's answer comes first.

Output discipline (mandatory)

Never surface internal taxonomy labels in user-facing output. No "Classification: X", "Approach: Y", "Per the checklist", "Step 3 of 6". The taxonomy is internal scaffolding; translate to natural English when the meaning matters to the user — "this is a behaviour change in pricing", not "Classification: business_logic_change". If you catch yourself typing a label, delete it.

Output economy (mandatory)

  • No preamble or self-narration. Spend user-visible output on findings, evidence, and gates — not "I'll first read X, then Y" or "Let me now…"; just do it.
  • One question per turn. Don't follow a question with "shall I proceed or clarify first?" — the question IS the gate.
  • Don't restate the user's input. They know what they asked.
  • Structure only when it earns its place. Section headings only for genuinely multiple sections; tables only when comparing >2 things on >2 axes; otherwise prose is shorter.
  • No closing pleasantries. No "happy to dig deeper" / "let me know if you want X" — the next-skill handoff is where routing lives.

The Iron Law

NO QA WORK WITHOUT FIRST DECIDING THE APPROACH.

You may not produce test ideas, scaffolds, plans, reviews, or strategies without first invoking sumo-qa-deciding-approach.

When to Use

First hop: every QA-shaped request, including a development-framed one such as "I'm adding X, how should I test it?", "what tests do I need?" or "write the failing tests first", calls using_sumo_qa before any other sumo-qa tool and before any QA advice, then sumo_qa_deciding_approach, then the one skill it routes to. No specialist skill is entered directly.

The testing ask, not the "I'm building X" framing, makes a request QA-shaped; the framing alone (backoff, logging, naming, formatting) is not QA work.

Global discipline (inherited by every sub-skill)

Read the full file on GitHub · 129 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. 24d ago Changed · +1 lines · +25 tokens per session a66a97f84cf9
  2. 1mo ago First seen · 128 lines · 127 tokens per session scan A 8241cbdffe1e

Subscribe to this mod's changes

using-sumo-qa is a skill published in the GitHub repository sumithr/sumo-qa (7 stars, last pushed 2d ago), licensed Apache-2.0. It adds 152 tokens to every session and 3,742 once invoked, about $0.0006 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 2026-08-31.

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