Search / io.github.yusasecurity/yusa
YUSA
L0· runs locallyPrompt-injection firewall for AI agents: scan untrusted text, fence it, gate tool calls.
v0.3.5 · active · repository · website · descriptor JSON · versions
Search / io.github.yusasecurity/yusa
L0· runs locallyPrompt-injection firewall for AI agents: scan untrusted text, fence it, gate tool calls.
v0.3.5 · active · repository · website · descriptor JSON · versions
{
"bundle": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registry_type": "mcpb",
"note": "Install through the client's bundle installer; no command line form."
}{
"bundle": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registry_type": "mcpb",
"note": "Install through the client's bundle installer; no command line form."
}{
"bundle": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registry_type": "mcpb",
"note": "Install through the client's bundle installer; no command line form."
}{
"bundle": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registry_type": "mcpb",
"note": "Install through the client's bundle installer; no command line form."
}{
"bundle": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registry_type": "mcpb",
"note": "Install through the client's bundle installer; no command line form."
}{
"bundle": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registry_type": "mcpb",
"note": "Install through the client's bundle installer; no command line form."
}{
"bundle": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registry_type": "mcpb",
"note": "Install through the client's bundle installer; no command line form."
}{
"bundle": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registry_type": "mcpb",
"note": "Install through the client's bundle installer; no command line form."
}Not scored: fewer than three checks apply, usually because no remote answered a credential-free probe or the server is a local package.
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlauth.prm, auth.as_metadata, auth.cimdauth.secret_in_urltools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dump, tools.hidden_textstability.changes, stability.rug_pull, stability.new_linksdeps.known_vulns, deps.mcp_sdk_version, deps.resolvableNo tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.
Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.
+repository +namespace-matches-repo +website ~liveness-unmeasured +updated-0d-ago -unpinned-packages(1)
Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.
| package | registry | version | runtime | secrets |
|---|---|---|---|---|
https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb | mcpb | unpinned | – |
No tools observed. Local packages are never executed by the registry.
Schemas: list_tools.
{
"name": "io.github.yusasecurity/yusa",
"title": "YUSA",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"version": "0.3.5",
"packages": [
{
"transport": {
"type": "stdio"
},
"fileSha256": "b3bbb412dea883c55764d41750c0d890be936e480498f932846c7303453d83ce",
"identifier": "https://github.com/yusasecurity/yusa/releases/download/v0.3.5/yusa.mcpb",
"registryType": "mcpb",
"environmentVariables": [
{
"name": "YUSA_POLICY",
"format": "filepath",
"description": "Optional path to a policy JSON (allowTools, allowAddresses, allowHosts, maxValueEth) for yusa_check_tool_call."
}
]
}
],
"repository": {
"url": "https://github.com/yusasecurity/yusa",
"source": "github"
},
"websiteUrl": "https://yusasecurity.xyz",
"description": "Prompt-injection firewall for AI agents: scan untrusted text, fence it, gate tool calls."
}