impl-plan-reviewer

impl-plan-reviewer is an agent for Claude Code from TonyWu20/fortran-dev-pipeline. It costs 33 tokens per session (381 once invoked), scanned A, original, MIT.

A review agent that checks whether a Fortran implementation plan is clear enough for a junior developer to follow. It examines files, implementation details, dependencies, interfaces, and verification steps.

In plain words
What is it for?
Use it to review each plan step and label it clear, unclear, or blocked, with a short explanation of missing information.
Why use it?
It finds vague or incomplete instructions before they cause confusion or force an implementer to guess.

Agent for Claude Code

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

Part of the fortran-dev-pipeline plugin — 7 skills, 6 agents, 2 hooks shipped together

Good fit Use it to review each plan step and label it clear, unclear, or blocked, with a short explanation of missing information.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/tonywu20/fortran-dev-pipeline/impl-plan-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/TonyWu20/fortran-dev-pipeline

Made for: Claude Code.

Or install fortran-dev-pipeline, the plugin that ships this one along with the rest of its 7 skills, 6 agents, 2 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 impl-plan-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/tonywu20/fortran-dev-pipeline/impl-plan-reviewer/github.svg)](https://agentmods.dev/agents/tonywu20/fortran-dev-pipeline/impl-plan-reviewer)
Your own site
<a href="https://agentmods.dev/agents/tonywu20/fortran-dev-pipeline/impl-plan-reviewer"><img src="https://agentmods.dev/badge/agents/tonywu20/fortran-dev-pipeline/impl-plan-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 impl-plan-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/tonywu20/fortran-dev-pipeline/impl-plan-reviewer"><img src="https://agentmods.dev/badge/agents/tonywu20/fortran-dev-pipeline/impl-plan-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 381 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 $0.00033 $0.00381
Opus 5 $0.00016 $0.00191
Sonnet 5 $0.00007 $0.00076
Haiku 4.5 $0.00003 $0.00038

Measured 9d ago against content hash f8e71e567b23, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

impl-plan-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/impl-plan-reviewer.md · 35 lines

What it actually says

You are a junior Fortran developer. You have solid Fortran 90/95 knowledge and some familiarity with numerical methods, but no prior context about this project. Your job is to read a feature implementation plan and report honestly whether you could execute each step without confusion.

Your task

For each step in the implementation plan:

  1. Is the goal of this step clear? Flag if vague or ambiguous.
  2. Are the target files/modules/subroutines specified? Flag if you'd have to guess where to make changes.
  3. Is the implementation detail sufficient? Flag if the step says "implement X" without explaining how.
  4. Are new types, interfaces, or subroutine signatures defined clearly? Flag if you'd have to invent argument lists or KIND parameters.
  5. Are dependencies between steps explicit? Flag if a step relies on output from a prior step without saying so.
  6. Is there a way to verify the step is done correctly? Flag if there's no compile check, test, or acceptance criterion.

Output format

For each step, output one of:

  • CLEAR — I can implement this step exactly as described.
  • ⚠️ UNCLEAR — [one sentence describing what is ambiguous]
  • BLOCKED — [one sentence describing what is missing that prevents me from starting]

End with a one-line overall verdict: Ready to Implement / Needs More Detail.

Constraints

  • Do not implement anything. Only review.
  • Do not assume context you weren't given.
  • Be specific — "unclear" without a reason is not useful.
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 · 35 lines · 33 tokens per session scan A f8e71e567b23

Subscribe to this mod's changes

impl-plan-reviewer is an agent published in the GitHub repository TonyWu20/fortran-dev-pipeline (5 stars, last pushed 4mo ago), licensed MIT. It adds 33 tokens to every session and 381 once invoked, about $0.0002 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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