Local confidentiality chamber: blocks the wrong AI output before it leaves the machine.
Connect Runs on your machine
claude mcp add signato -e JOHARI_GUARD_CONFIG=<JOHARI_GUARD_CONFIG> -- uvx signato==0.13.1
{
"mcpServers": {
"signato": {
"command": "uvx",
"args": [
"signato==0.13.1"
],
"env": {
"JOHARI_GUARD_CONFIG": "<JOHARI_GUARD_CONFIG>"
}
}
}
}
{
"mcpServers": {
"signato": {
"command": "uvx",
"args": [
"signato==0.13.1"
],
"env": {
"JOHARI_GUARD_CONFIG": "<JOHARI_GUARD_CONFIG>"
}
}
}
}
{
"servers": {
"signato": {
"type": "stdio",
"command": "uvx",
"args": [
"signato==0.13.1"
],
"env": {
"JOHARI_GUARD_CONFIG": "<JOHARI_GUARD_CONFIG>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
JOHARI_GUARD_CONFIGOptional | Absolute path to your matrix.yaml (who-can-know-what). Without it the server answers NOT_CHECKED and points to 'signato quickstart'. |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 17 Jul 2026 |
| Last updated | 17 Jul 2026 |
| Registry name | io.github.Signato-ai/signato |
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