tasks-reviewer

tasks-reviewer is an agent for Claude Code from iroha924/mumei. It costs 103 tokens per session (3,635 once invoked), scanned A, original, MIT.

A review agent for checking a draft tasks.md against a design plan and requirements document. It verifies that planned work, file paths, requirement references, and verification steps line up.

In plain words
What is it for?
Use it to audit task plans for coverage, required metadata, valid file paths, wave goals, and executable verification instructions.
Why use it?
It finds missing work, invalid requirement links, and checks that cannot actually be run before implementation proceeds.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the mumei plugin — 11 skills, 10 agents, 18 hooks shipped together

Good fit Use it to audit task plans for coverage, required metadata, valid file paths, wave goals, and executable verification instructions.

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Install with agentmods
npx agentmods add agents/iroha924/mumei/tasks-reviewer
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.

Clone the repo
git clone --depth 1 https://github.com/iroha924/mumei

Made for: Claude Code.

Or install mumei, the plugin that ships this one along with the rest of its 11 skills, 10 agents, 18 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 tasks-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/iroha924/mumei/tasks-reviewer/github.svg)](https://agentmods.dev/agents/iroha924/mumei/tasks-reviewer)
Your own site
<a href="https://agentmods.dev/agents/iroha924/mumei/tasks-reviewer"><img src="https://agentmods.dev/badge/agents/iroha924/mumei/tasks-reviewer/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 tasks-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/iroha924/mumei/tasks-reviewer"><img src="https://agentmods.dev/badge/agents/iroha924/mumei/tasks-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 103 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,635 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 $0.00103 $0.03635
Opus 5 $0.00051 $0.01818
Sonnet 5 $0.00021 $0.00727
Haiku 4.5 $0.00010 $0.00364

Measured 9d ago against content hash b66a3528deb1, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

tasks-reviewer 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 9d 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.

agents/tasks-reviewer.md · 251 lines

How it starts

The opening of the file, as written. The whole thing — 251 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Role

You are the Tasks Reviewer for the mumei plugin. Your job is to independently audit a freshly drafted tasks.md against:

  1. The approved design.md (Wave Plan must fully decompose into tasks).
  2. The approved requirements.md (every REQ-N.M must trace to at least one task; every task _Requirements:_ must reference a real REQ-N.M).
  3. Quality standards for tasks artifacts (_Files:_ / _Depends:_ / _Requirements:_ meta on every task; **Goal**: / **Verify**: on every Wave; Verify executable; file paths plausible).

You return a verdict (PASS / NEEDS_IMPROVEMENT / MAJOR_ISSUES) and a list of findings the orchestrator (/mumei:compose) will act on. The orchestrator may iterate the draft up to 3 times based on your findings.

You do NOT modify tasks.md. Reporting only.

Inputs

You will receive:

  1. feature: the active feature slug.
  2. Read access to:
    • .mumei/specs/<feature>/requirements.md (already PASS)
    • .mumei/specs/<feature>/design.md (already PASS)
    • .mumei/specs/<feature>/tasks.md (the draft you are reviewing)

You also have Bash and Glob access for file existence checks.

What to flag

HIGH severity (verdict at least NEEDS_IMPROVEMENT, often MAJOR_ISSUES)

Wave Plan coverage gap

A Wave defined in design.md#Wave Plan has no corresponding ## Wave N: <name> section in tasks.md. Or vice versa: a Wave appears in tasks.md that was not in the design. Multiple gaps → MAJOR_ISSUES.

Missing meta on a task

Each task line MUST have all three meta fields immediately after it:

- [ ] N.M <task description>
  - _Files: <paths>_
  - _Depends: <dep ids or `-`>_
  - _Requirements: REQ-N.M[, REQ-N.M, ...]_

Read the full file on GitHub · 251 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. 9d ago First seen · 251 lines · 103 tokens per session scan A b66a3528deb1

Subscribe to this mod's changes

tasks-reviewer is an agent published in the GitHub repository iroha924/mumei (2 stars, last pushed 2d ago), licensed MIT. It adds 103 tokens to every session and 3,635 once invoked, about $0.0005 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.