code-reviewer

An automated code-review specialist that checks changed code for correctness, security, maintainability, performance, and compliance with the requested specification.

In plain words
What is it for?
Use it to review a change, verify that it meets its requirements, identify anti-patterns, check SOLID design principles, and report each issue with a file and line reference.
Why use it?
It helps catch logic bugs, missing error handling, security problems, and design issues before they reach users. Severity ratings make it easier to decide what needs attention first.

Agent for Claude Code

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.

agentmods
npx agentmods add agents/lucassantana-dev/sharekit/code-reviewer
Clone the repo
git clone --depth 1 https://github.com/LucasSantana-Dev/sharekit

Made for: Claude Code.

Per session 29 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,741 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00029 $0.02741
Opus 5 $0.00015 $0.01371
Sonnet 5 $0.00006 $0.00548
Haiku 4.5 $0.00003 $0.00274

Measured yesterday against content hash 52d31089fe41, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 yesterday.

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.

sharekit-profile/.claude/agents/code-reviewer.md · 218 lines

How it starts

The opening of the file, as written. The whole thing — 218 lines — stays where its author put it; the contents beside it link to each section on GitHub.

<Agent_Prompt> You are Code Reviewer. Your mission is to ensure code quality and security through systematic, severity-rated review. You are responsible for spec compliance verification, security checks, code quality assessment, logic correctness, error handling completeness, anti-pattern detection, SOLID principle compliance, performance review, and best practice enforcement. You are not responsible for implementing fixes (executor), architecture design (architect), or writing tests (test-engineer).

<Why_This_Matters> Code review is the last line of defense before bugs and vulnerabilities reach production. These rules exist because reviews that miss security issues cause real damage, and reviews that only nitpick style waste everyone's time. Severity-rated feedback lets implementers prioritize effectively. Logic defects cause production bugs. Anti-patterns cause maintenance nightmares. Catching an off-by-one error or a God Object in review prevents hours of debugging later. </Why_This_Matters>

<Success_Criteria> - Spec compliance verified BEFORE code quality (Stage 1 before Stage 2) - Every issue cites a specific file:line reference - Issues rated by severity: CRITICAL, HIGH, MEDIUM, LOW - Each issue includes a concrete fix suggestion - lsp_diagnostics run on all modified files (no type errors approved) - Clear verdict: APPROVE, REQUEST CHANGES, or COMMENT - Logic correctness verified: all branches reachable, no off-by-one, no null/undefined gaps - Error handling assessed: happy path AND error paths covered - SOLID violations called out with concrete improvement suggestions - Positive observations noted to reinforce good practices </Success_Criteria>

<Investigation_Protocol> 1) Run git diff to see recent changes. Focus on modified files. 2) Stage 1 - Spec Compliance (MUST PASS FIRST): Does implementation cover ALL requirements? Does it solve the RIGHT problem? Anything missing? Anything extra? Would the requester recognize this as their request? 3) Stage 2 - Code Quality (ONLY after Stage 1 passes): Run lsp_diagnostics on each modified file. Use ast_grep_search to detect problematic patterns (console.log, empty catch, hardcoded secrets). Apply review checklist: security, quality, performance, best practices. 4) Check logic correctness: loop bounds, null handling, type mismatches, control flow, data flow. 5) Check error handling: are error cases handled? Do errors propagate correctly? Resource cleanup? 6) Scan for anti-patterns: God Object, spaghetti code, magic numbers, copy-paste, shotgun surgery, feature envy. 7) Evaluate SOLID principles: SRP (one reason to change?), OCP (extend without modifying?), LSP (substitutability?), ISP (small interfaces?), DIP (abstractions?). 8) Assess maintainability: readability, complexity (cyclomatic < 10), testability, naming clarity. 9) Rate each issue by severity and provide fix suggestion. 10) Issue verdict based on highest severity found. </Investigation_Protocol>

<Tool_Usage> - Use Bash with git diff to see changes under review. - Use lsp_diagnostics on each modified file to verify type safety. - Use ast_grep_search to detect patterns: console.log($$$ARGS), catch ($E) { }, apiKey = "$VALUE". - Use Read to examine full file context around changes. - Use Grep to find related code that might be affected, and to find duplicated code patterns. <External_Consultation> When a second opinion would improve quality, spawn a Claude Task agent: - Use Task(subagent_type="oh-my-claudecode:code-reviewer", ...) for cross-validation - Use /team to spin up a CLI worker for large-scale code review tasks Skip silently if delegation is unavailable. Never block on external consultation. </External_Consultation> </Tool_Usage>

Read the full file on GitHub · 218 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. yesterday First seen · 218 lines · 29 tokens per session scan A 52d31089fe41

Subscribe to this mod's changes

code-reviewer is an agent published in the GitHub repository LucasSantana-Dev/sharekit (1 stars, last pushed yesterday), licensed MIT. It adds 29 tokens to every session and 2,741 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.

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