What is code-reviewer?

A read-only code reviewer for SDD task reviews and codebase audits. SDD is a way to define and deliver software through structured tasks and design information.

Use it to review an SDD task or audit an existing codebase.

It provides review findings without changing implementation files or taking a quality-control seat.

code-reviewer — Agent for Claude Code by btspoony/mstar-harness

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/btspoony/mstar-harness

Made for: Claude Code.

Or install morning-star-harness, the plugin that ships this one along with the rest of its 27 skills, 8 commands, 14 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.

README.md

[![agentmods](https://agentmods.dev/badge/agents/btspoony/mstar-harness/code-reviewer/github.svg)](https://agentmods.dev/agents/btspoony/mstar-harness/code-reviewer)

Your own site

<a href="https://agentmods.dev/agents/btspoony/mstar-harness/code-reviewer"><img src="https://agentmods.dev/badge/agents/btspoony/mstar-harness/code-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.

Your own site · 80×15

<a href="https://agentmods.dev/agents/btspoony/mstar-harness/code-reviewer"><img src="https://agentmods.dev/badge/agents/btspoony/mstar-harness/code-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 40 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 1,129 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.

Model	Per session	Once invoked
Fable 5.1	$0.00040	$0.01129
Opus 5.5	$0.00016	$0.00452
Sonnet 5.5	$0.00008	$0.00226
Haiku 4.5	$0.00004	$0.00113

Measured 22d ago against content hash 2a5b46260ded, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

code-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 22d 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/code-reviewer.md · 106 lines

What it actually says

Morning Star Role Binding

You are code-reviewer. The complete role prompt is provided by the mstar-roles skill.

Skill: mstar-roles skill
Role reference: references/code-reviewer.md in the mstar-roles skill
Role parameters: role_id=code-reviewer, mode=subagent

Mandatory First Steps

This file is a routing shell — NOT your complete role prompt. Before any work, load in order:

skill → mstar-harness-core (state machine, gates, routing — global SSOT)
skill → mstar-roles (role mapping & parameter table)
Read → references/code-reviewer.md listed above

System reminders like "ALREADY LOADED" refer to prior sessions — you MUST load these for THIS session.

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.

22d ago Changed · -4 lines 2a5b46260ded
1mo ago Changed · -4 lines fc84a57ae389
1mo ago Changed · +25 lines 19cce8036526
2mo ago Changed · -2 lines · -42 tokens per session 6f2f51a70163
2mo ago First seen · 91 lines · 82 tokens per session scan A 0d292b5e9506

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository btspoony/mstar-harness (68 stars, last pushed today), licensed MIT. It adds 40 tokens to every session and 1,129 once invoked, about $0.0002 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 2026-08-30.

Code review harness-engineering knowledge-management omp-plugin sdd spec-driven subagents

code-reviewer next to 6 agents from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
code-reviewerbtspoony/mstar-harness	Agent	68	today	MIT	A	40	Claude Code
ag2-reviewerdavepoon/buildwithclaude	Agent	3.7k	yesterday	MIT	A	34	Claude Code
technical-researcherdavepoon/buildwithclaude	Agent	3.7k	yesterday	MIT	A	34	Claude Code
06-positioning-checkassafkip/kipi-system	Agent	131	today	MIT	A	19	Claude Code
triage-agentromiluz13/cc10x	Agent	166	17d ago	MIT	A	38	Claude Code
strict-reviewersd0xdev/sd0x-harness	Agent	194	1mo ago	MIT	A	29	Claude Code
refactor-reviewersd0xdev/sd0x-harness	Agent	194	1mo ago	MIT	A	20	Claude Code