Kavra Siegel — Qualified eIDAS Timestamping
Qualified eIDAS RFC 3161 timestamping for AI workflow provenance. SIGNIUS/IDnow backbone.
Should I use this
Quality & Safety
Findings (1)
- LOWTool 'kavra_siegel_verify_token' description lacks action verbin kavra_siegel_verify_token
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"kavra-siegel": {
"url": "https://siegel.kavra.cloud/mcp"
}
}
}Remote endpoints
https://siegel.kavra.cloud/mcpstreamable-httpWhat it can do
Tool inventory
Tools (3)
⚪kavra_siegel_stamp_hash(sha256_hex, tier, metadata)
Erzeugt einen qualifizierten eIDAS-Zeitstempel für einen SHA-256-Hash. RFC 3161 via SIGNIUS/IDnow Trust Services AB (EU Trusted List).
Input Schema
{
"type": "object",
"properties": {
"sha256_hex": {
"type": "string",
"pattern": "^[a-f0-9]{64}$",
"description": "Lowercase 64-char hex SHA-256 hash"
},
"tier": {
"type": "string",
"enum": [
"basic",
"plus",
"sealed"
],
"default": "basic",
"description": "Stamp tier (basic=hash-only, plus=with URL, sealed=full content)"
},
"metadata": {
"type": "object",
"description": "Optional key-value metadata persisted with the stamp"
}
},
"required": [
"sha256_hex"
]
}⚪kavra_siegel_stamp_content(content_b64, tier, metadata)
Erzeugt einen qualifizierten eIDAS-Zeitstempel für base64-encodierten Inhalt (max 1 MB). Hash wird serverseitig berechnet. RFC 3161 via SIGNIUS/IDnow.
Input Schema
{
"type": "object",
"properties": {
"content_b64": {
"type": "string",
"description": "Base64-encoded content to stamp"
},
"tier": {
"type": "string",
"enum": [
"basic",
"plus",
"sealed"
],
"default": "basic"
},
"metadata": {
"type": "object"
}
},
"required": [
"content_b64"
]
}⚪kavra_siegel_verify_token(token_id)
Verifiziert einen Stempel-Token anhand seiner UUID.
Input Schema
{
"type": "object",
"properties": {
"token_id": {
"type": "string",
"format": "uuid",
"description": "UUID of the stamp token to verify"
}
},
"required": [
"token_id"
]
}Community
Evidence