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First-CH/firstch-tools-mcp
MCP server exposing First CH Tools' free web-tool logic for WCAG contrast, JP character counting, WebP conversion, JSON-LD, and llms.txt generation to AI agents.
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// key findings
⚠️
Known vulnerabilities in dependencies: 1 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
// known CVEs in dependencies1 high
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from
process.env. You'll be asked to provide them before it can run.config
FIRSTCH_TOOLS_USAGE_LOG— 既定では何も記録しません。環境変数 にファイルパスを設定したときのみ、各ツール呼び出しごとに1行のJSON（{ ts, tool, source }）をそのローカルファイルへ追記します。ネットワーク送信は一切ありません（未設定であればファイルへの書き込み自体が発生せず、データが端末外に出ることはありません）。// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[](https://m8ven.ai/mcp/first-ch-firstch-tools-mcp-3qrd7v)commit: 193a58e5f78dc77b8b76d171eef8bc96b4aa8844
code hash: a6242c183ab1bb2c93d15087fa853871192995e207e6a6b4d2f905262a2ae12f
verified: 7/21/2026, 9:18:17 AM