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maid-runner-mcp: Agent for Claude Code

.claude/agents/maid-test-designer.md

maid-test-designer is an agent for Claude Code from mamertofabian/maid-runner-mcp. It costs 19 tokens per session (300 once invoked), scanned A, original, MIT.

A guide for writing behavioral tests from a project manifest, where tests call the listed functions or create the listed classes and check their results or state changes.

In plain words
What is it for?
Use it when creating Python tests for a new task, covering manifest parameters and confirming that each test contains meaningful assertions.
Why use it?
It helps ensure tests verify real behavior instead of merely checking that code imports or runs. It also defines a Red phase, where tests are expected to fail before implementation exists.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; mentions CLAUDE.md.

This is mamertofabian/maid-runner-mcp's own configuration. It tells Claude Code how to work on maid-runner-mcp 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 maid-runner-mcp configures →

not rated 0repo 5mo ago A scan 19 tokens original MIT
View source ↗ mamertofabian/maid-runner-mcp
Reuse

Borrowing it

Nothing to install: this file belongs to mamertofabian/maid-runner-mcp. 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/mamertofabian/maid-runner-mcp/main/.claude/agents/maid-test-designer.md
Clone the repo
git clone --depth 1 https://github.com/mamertofabian/maid-runner-mcp

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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<a href="https://agentmods.dev/agents/mamertofabian/maid-runner-mcp/maid-test-designer"><img src="https://agentmods.dev/badge/agents/mamertofabian/maid-runner-mcp/maid-test-designer/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.

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Your own site · 80×15
<a href="https://agentmods.dev/agents/mamertofabian/maid-runner-mcp/maid-test-designer"><img src="https://agentmods.dev/badge/agents/mamertofabian/maid-runner-mcp/maid-test-designer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 19 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 300 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 $0.00019 $0.00300
Opus 5 $0.00010 $0.00150
Sonnet 5 $0.00004 $0.00060
Haiku 4.5 $0.00002 $0.00030

Measured 10d ago against content hash a88547f162d0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

maid-test-designer 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 10d 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/agents/maid-test-designer.md · 40 lines

What it actually says

Phase 2: Behavioral Test Creation

Create behavioral tests from the manifest. See CLAUDE.md for MAID methodology details.

Your Task

  1. Read manifest: cat manifests/task-XXX.manifest.json

  2. Create tests: tests/test_task_XXX_*.py

    • Import and USE each artifact (call functions, instantiate classes)
    • ASSERT on behavior - no smoke tests (tests without assertions)
    • Use capsys for stdout, verify return values, check state changes
    • Cover all parameters from manifest

  3. CRITICAL - Validate tests USE artifacts (behavioral mode):

    maid validate manifests/task-XXX.manifest.json --validation-mode behavioral --use-manifest-chain

  4. Verify Red phase (tests should fail):

    pytest tests/test_task_XXX_*.py -v

    Expected: ImportError/ModuleNotFoundError (implementation doesn't exist yet)

Success

✓ Behavioral validation passes ✓ Every test has assertions (no smoke tests) ✓ Tests fail appropriately (Red phase) ✓ Ready for developer

See docs/unit-testing-rules.md for testing standards.

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. 10d ago First seen · 40 lines · 19 tokens per session scan A a88547f162d0

Subscribe to this mod's changes

maid-test-designer is an agent published in the GitHub repository mamertofabian/maid-runner-mcp (0 stars, last pushed 5mo ago), licensed MIT. It adds 19 tokens to every session and 300 once invoked, about $0.0001 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.

Testing
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