YUSA MCP Server

by yusasecurity Your server? Claim it

local only

YUSA runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 10 Nov 2026.

Prompt-injection firewall for AI agents: scan untrusted text, fence it, gate tool calls.

—

Installs / week

not published

Stars

0 open issues

10 Nov 2026

Last commit

from GitHub

MIT

License

TypeScript

Nothing serious here today

Today is the operative word: we check YUSA every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Alternatives to YUSA

same job, measured the same way

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answering

Tripwire

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Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall

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2 tools answering

Agent Security Scanner

by mikehzp

Scan AI agents for tool-calling vulnerabilities: prompt leaks, hijacking, injections, and more.

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Exepal

by exepal

Safety tools for AI agents: safe page reader, prompt-injection, secrets, PII and MCP server scans

24 tools answering

Agent Skill & Config Security Audit

by tylerscomic-lab

Scan AI agent skills and configs for hidden Unicode, prompt injection and exfiltration.

answering

1Claw Vault

by 1clawai

HSM-backed vault secrets for AI agents (JIT fetch) plus prompt-injection and threat scanning.

432 installs/wk local only

Email Guard MCP

by mlawsonking

Email safety for AI agents: scan inbound for prompt-injection/phishing + outbound for secret leaks.

88 installs/wk local only

YUSA — questions

Answers built from our own checks of this server.

Why is there no uptime for YUSA?

YUSA runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone.

Is YUSA open source?

Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.