Swisscom SealAPI · ZertES · eIDAS
Legally binding signatures from Switzerland
PDF sealing via Swisscom SealAPI — hosted MCP server for AI agents, web service for humans.
PROTOCOLMCP 2025-03-26
REGIONSwitzerland
STATUSoperational
Endpoint
POST /mcp
What sigillo delivers
QES & timestamp
Qualified electronic signatures under ZertES (CH) and eIDAS (EU). Timestamping is synchronous; QES is async via Mobile-ID or multi-signer consent.
MCP-native
Streamable HTTP plus legacy bridge. Four tools for AI agents: seal_pdf, seal_status, seal_download, seal_balance.
Swiss stack
Data stays in Switzerland. Infomaniak hosting in Geneva. No reverse tunnel to US clouds.
Connect your agent
Add sigillo to Claude Desktop, Claude Code, ChatGPT custom GPTs or n8n via a single MCP endpoint and a Bearer-Token aus dem Dashboard.
{
"mcpServers": {
"sigillo": {
"transport": "streamable-http",
"url": "https://sigillo.ch/mcp",
"auth": { "type": "bearer", "token": "sig_…" }
}
}
}ready when you are