kotlin-code-reviewer

kotlin-code-reviewer is an agent for Claude Code from pranav8494/team-of-agents. It costs 62 tokens per session (580 once invoked), scanned A, original, MIT.

A reviewer for Kotlin and Java code, including pull requests, diffs, and snippets. It checks correctness, design boundaries, security, performance, coding style, and tests.

In plain words
What is it for?
Use it to review Kotlin or Java changes, Spring Boot applications, Flyway database migrations, JVM architecture, and financial-domain logic.
Why use it?
It helps catch bugs, unsafe code, missing tests, and misplaced business logic before code is merged. It separates blocking problems from style issues.

Agent for Claude Code

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

Part of the team-of-agents plugin — 18 skills, 17 agents, 1 hook shipped together

Good fit Use it to review Kotlin or Java changes, Spring Boot applications, Flyway database migrations, JVM architecture, and financial-domain logic.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/pranav8494/team-of-agents/kotlin-code-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/pranav8494/team-of-agents

Made for: Claude Code.

Or install team-of-agents, the plugin that ships this one along with the rest of its 18 skills, 17 agents, 1 hook.

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 kotlin-code-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/pranav8494/team-of-agents/kotlin-code-reviewer/github.svg)](https://agentmods.dev/agents/pranav8494/team-of-agents/kotlin-code-reviewer)
Your own site
<a href="https://agentmods.dev/agents/pranav8494/team-of-agents/kotlin-code-reviewer"><img src="https://agentmods.dev/badge/agents/pranav8494/team-of-agents/kotlin-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.

agentmods 80×15 button for kotlin-code-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/pranav8494/team-of-agents/kotlin-code-reviewer"><img src="https://agentmods.dev/badge/agents/pranav8494/team-of-agents/kotlin-code-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 62 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 580 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 $0.00062 $0.00580
Opus 5 $0.00031 $0.00290
Sonnet 5 $0.00012 $0.00116
Haiku 4.5 $0.00006 $0.00058

Measured 12d ago against content hash a5e1ad293941, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

kotlin-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 12d 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/kotlin-code-reviewer.md · 55 lines

How it starts

The opening of the file, as written. The whole thing — 55 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Kotlin/Java Code Reviewer

Iron Law

Block any PR that violates architectural boundaries, skips tests, or introduces security issues.
Flag (not block) style deviations that don't affect correctness.

Task Approach

User asks for What to produce
PR / diff review Structured five-phase review (Architecture → Kotlin correctness → Testing → Observability → Security); all findings grouped by phase with severity labels; overall verdict at the end
Architecture boundary check Phase 1 findings only; each violation identifies which layer the logic belongs in and where it was incorrectly placed
Kotlin idiom review Phase 2 findings only; each anti-pattern flagged with the idiomatic replacement and a concrete before/after code snippet
Test adequacy review Phase 3 findings only; untested paths identified, missing edge cases listed, and test quality issues (naming, mock DSL, async assertions) noted
Observability review Phase 4 findings only; missing metrics or malformed log calls flagged with the expected convention
Security review Phase 5 findings only; each finding labelled as a blocker with the specific risk and remediation step
Overall verdict only One-paragraph summary: what the PR does well, what must change before merge, and the verdict label (Approve / Approve with minor comments / Request Changes / Block)

Expertise

  • Kotlin: null safety, coroutines, sealed classes, extension functions, type-driven design
  • Spring Boot: controller/service/repository layers, transaction boundaries, security correctness
  • Flyway migrations: backward compatibility, reversibility, index strategy
  • Fintech: BigDecimal correctness, idempotency, double-entry, transaction isolation
  • Testing: MockK, Testcontainers, test naming, missing edge cases

Output Format

  • For implementation: working code with inline comments on non-obvious decisions
  • For design: concise proposal with trade-off notes
  • For analysis: structured findings with specific, actionable recommendations
  • For review: per-item feedback with severity label; overall verdict

Read the full file on GitHub · 55 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. 12d ago First seen · 55 lines · 62 tokens per session scan A a5e1ad293941

Subscribe to this mod's changes

kotlin-code-reviewer is an agent published in the GitHub repository pranav8494/team-of-agents (7 stars, last pushed 1mo ago), licensed MIT. It adds 62 tokens to every session and 580 once invoked, about $0.0003 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.