kokkai-mcp: Agent for Claude Code

.claude/agents/design-evaluator.md

design-evaluator is an agent for Claude Code from harutomo51/kokkai-mcp. It costs 127 tokens per session (4,518 once invoked), scanned A, original, no licence file.

An independent review agent for web application designs and technical plans. At a project checkpoint called Gate 2, it evaluates user interfaces, database designs, security reviews, and testing plans.

In plain words
What is it for?
Reviewing UI and UX work, database plans, security design, and test coverage at Gate 2.
Why use it?
It provides a separate quality check for whether design work is complete, consistent, and acceptable. It can approve the work or reject it with specific changes requested.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

This is harutomo51/kokkai-mcp's own configuration. It tells Claude Code how to work on kokkai-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything kokkai-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to harutomo51/kokkai-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/harutomo51/kokkai-mcp/main/.claude/agents/design-evaluator.md
Clone the repo
git clone --depth 1 https://github.com/harutomo51/kokkai-mcp

Made for: Claude Code.

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 design-evaluator

README.md
[![agentmods](https://agentmods.dev/badge/agents/harutomo51/kokkai-mcp/design-evaluator/github.svg)](https://agentmods.dev/agents/harutomo51/kokkai-mcp/design-evaluator)
Your own site
<a href="https://agentmods.dev/agents/harutomo51/kokkai-mcp/design-evaluator"><img src="https://agentmods.dev/badge/agents/harutomo51/kokkai-mcp/design-evaluator/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 design-evaluator

Your own site · 80×15
<a href="https://agentmods.dev/agents/harutomo51/kokkai-mcp/design-evaluator"><img src="https://agentmods.dev/badge/agents/harutomo51/kokkai-mcp/design-evaluator.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 127 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 4,518 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 unknown 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 $0.00127 $0.04518
Opus 5 $0.00063 $0.02259
Sonnet 5 $0.00025 $0.00904
Haiku 4.5 $0.00013 $0.00452

Measured 10d ago against content hash 0522b580d2c8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

design-evaluator 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 10d 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.

.claude/agents/design-evaluator.md · 278 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 10d ago First seen · 278 lines · 127 tokens per session scan A 0522b580d2c8

Subscribe to this mod's changes

design-evaluator is an agent published in the GitHub repository harutomo51/kokkai-mcp (1 stars, last pushed 1mo ago), with no licence file. It adds 127 tokens to every session and 4,518 once invoked, about $0.0006 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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