ruflo: Skill for Claude Code

.agents/skills/agent-tester/SKILL.md

agent-tester is a skill for Claude Code, Codex from ruvnet/ruflo. It costs 15 tokens per session (2,077 once invoked), scanned A, original, MIT.

A software testing and quality-assurance agent that designs, writes, and runs tests for code.

In plain words
What is it for?
Use it for unit, integration, end-to-end, performance, and security testing, plus test-environment checks and result summaries.
Why use it?
It helps find missing edge cases, performance problems, security issues, and failures across different levels of testing.

Skill for Claude CodeCodex

Written for Claude Code: shipped in a Claude Code plugin. Also seen: installed under .agents/ (shared by several agents); $skill-name invocation.

This is ruvnet/ruflo's own configuration. It tells Claude Code and Codex how to work on ruflo itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything ruflo configures →

Part of the claude-flow plugin — 135 skills, 52 commands, 11 agents, 4 hooks shipped together

not rated 77krepo +2.1k today A scan Socket: passSnyk: passSkillSpector: pass 15 tokens original MIT
About the project

Ruflo is an execution and coordination layer for Claude Code and Codex that equips AI coding agents with tools, memory, control loops, sandboxes, and collaboration mechanisms. Developers use it to organize specialized agents into swarms, coordinate workflows, retain knowledge across sessions, and communicate across machines. The catalogue entries are Ruflo’s skills, commands, agents, hooks, and plugin components.

ruvnet/ruflo · 77,172 stars · on GitHub · cognitum.one

Reuse

Borrowing it

Nothing to install: this file belongs to ruvnet/ruflo. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/ruvnet/ruflo/main/.agents/skills/agent-tester/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/ruvnet/ruflo

Made for: Claude Code, Codex.

Or install claude-flow, the plugin that ships this one along with the rest of its 135 skills, 52 commands, 11 agents, 4 hooks.

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 agent-tester

README.md
[![agentmods](https://agentmods.dev/badge/skills/ruvnet/ruflo/agent-tester/github.svg)](https://agentmods.dev/skills/ruvnet/ruflo/agent-tester)
Your own site
<a href="https://agentmods.dev/skills/ruvnet/ruflo/agent-tester"><img src="https://agentmods.dev/badge/skills/ruvnet/ruflo/agent-tester/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 agent-tester

Your own site · 80×15
<a href="https://agentmods.dev/skills/ruvnet/ruflo/agent-tester"><img src="https://agentmods.dev/badge/skills/ruvnet/ruflo/agent-tester.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 15 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,077 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. Third-party audits
  • Socket pass 15 Sept 2026
  • Snyk pass 15 Sept 2026
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00015 $0.02077
Opus 5.5 $0.00006 $0.00831
Sonnet 5.5 $0.00003 $0.00415
Haiku 4.5 $0.00002 $0.00208

Measured 1mo ago against content hash c10b2fef70c3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

agent-tester 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.

Origin

Copies of this mod

4 near-identical copies found in the catalogue:

.agents/skills/agent-tester/SKILL.md · 324 lines

How it starts

The opening of the file, as written. The whole thing — 324 lines — stays where its author put it; the contents beside it link to each section on GitHub.


name: tester type: validator color: "#F39C12" description: Comprehensive testing and quality assurance specialist capabilities:

  • unit_testing
  • integration_testing
  • e2e_testing
  • performance_testing
  • security_testing priority: high hooks: pre: | echo "🧪 Tester agent validating: $TASK"

    Check test environment

    if [ -f "jest.config.js" ] || [ -f "vitest.config.ts" ]; then echo "✓ Test framework detected" fi post: | echo "📋 Test results summary:" npm test -- --reporter=json 2>$dev$null | jq '.numPassedTests, .numFailedTests' 2>$dev$null || echo "Tests completed"

Testing and Quality Assurance Agent

You are a QA specialist focused on ensuring code quality through comprehensive testing strategies and validation techniques.

Core Responsibilities

  1. Test Design: Create comprehensive test suites covering all scenarios
  2. Test Implementation: Write clear, maintainable test code
  3. Edge Case Analysis: Identify and test boundary conditions
  4. Performance Validation: Ensure code meets performance requirements
  5. Security Testing: Validate security measures and identify vulnerabilities

Testing Strategy

1. Test Pyramid

         /\
        /E2E\      <- Few, high-value
       /------\
      /Integr. \   <- Moderate coverage
     /----------\
    /   Unit     \ <- Many, fast, focused
   /--------------\

2. Test Types

Unit Tests
describe('UserService', () => {
  let service: UserService;
  let mockRepository: jest.Mocked<UserRepository>;

  beforeEach(() => {
    mockRepository = createMockRepository();
    service = new UserService(mockRepository);
  });

  describe('createUser', () => {
    it('should create user with valid data', async () => {
      const userData = { name: 'John', email: '[email protected]' };
      mockRepository.save.mockResolvedValue({ id: '123', ...userData });

      const result = await service.createUser(userData);

      expect(result).toHaveProperty('id');
      expect(mockRepository.save).toHaveBeenCalledWith(userData);
    });

    it('should throw on duplicate email', async () => {
      mockRepository.save.mockRejectedValue(new DuplicateError());

      await expect(service.createUser(userData))
        .rejects.toThrow('Email already exists');
    });
  });
});

Read the full file on GitHub · 324 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. 1mo ago First seen · 324 lines · 15 tokens per session scan A c10b2fef70c3

Subscribe to this mod's changes

agent-tester is a skill published in the GitHub repository ruvnet/ruflo (77,172 stars, last pushed today), licensed MIT. It adds 15 tokens to every session and 2,077 once invoked, about $0.0001 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 2026-09-03.