Free proof-of-existence attestation for digital files, MCP tools for the imgauth service.
Connect Runs on your machine
claude mcp add attest-mcp -e IMGAUTH_API_KEY=<IMGAUTH_API_KEY> -e IMGAUTH_BASE_URL=<IMGAUTH_BASE_URL> -e IMGAUTH_CERT_PAGE_BASE=<IMGAUTH_CERT_PAGE_BASE> -- npx -y @spazio-genesi/[email protected]
{
"mcpServers": {
"attest-mcp": {
"command": "npx",
"args": [
"-y",
"@spazio-genesi/[email protected]"
],
"env": {
"IMGAUTH_API_KEY": "<IMGAUTH_API_KEY>",
"IMGAUTH_BASE_URL": "<IMGAUTH_BASE_URL>",
"IMGAUTH_CERT_PAGE_BASE": "<IMGAUTH_CERT_PAGE_BASE>"
}
}
}
}
{
"mcpServers": {
"attest-mcp": {
"command": "npx",
"args": [
"-y",
"@spazio-genesi/[email protected]"
],
"env": {
"IMGAUTH_API_KEY": "<IMGAUTH_API_KEY>",
"IMGAUTH_BASE_URL": "<IMGAUTH_BASE_URL>",
"IMGAUTH_CERT_PAGE_BASE": "<IMGAUTH_CERT_PAGE_BASE>"
}
}
}
}
{
"servers": {
"attest-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@spazio-genesi/[email protected]"
],
"env": {
"IMGAUTH_API_KEY": "<IMGAUTH_API_KEY>",
"IMGAUTH_BASE_URL": "<IMGAUTH_BASE_URL>",
"IMGAUTH_CERT_PAGE_BASE": "<IMGAUTH_CERT_PAGE_BASE>"
}
}
}
}
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 |
|---|---|
IMGAUTH_API_KEYOptional, secret | API key credential for the attestation service (optional — bypasses the interactive device-flow authorization). |
IMGAUTH_BASE_URLOptional | Override the API base URL, e.g. for local development against a `wrangler dev` instance. |
IMGAUTH_CERT_PAGE_BASEOptional | Override the base URL used to build permanent certificate-verification page links. |
Details
| Package | @spazio-genesi/[email protected] (NPM, stdio) |
| First published | 24 Jul 2026 |
| Last updated | 24 Jul 2026 |
| Registry name | io.github.SPAZIO-GENESI/attest-mcp |
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