Sellat runs on your own machine — the client starts it, so there is no endpoint to ping. 466 installs a week from npm. Last commit 2 Nov 2026.
Proof of existence for files from any MCP client: hashed locally, anchored on Polygon and Bitcoin.
Nothing serious here today
Today is the operative word: we check Sellat every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add sellat-mcp -e 'SELLAT_API_TOKEN=<SELLAT_API_TOKEN>' -- npx -y sellat-mcp{
"mcpServers": {
"sellat-mcp": {
"command": "npx",
"args": [
"-y",
"sellat-mcp"
],
"env": {
"SELLAT_API_TOKEN": "<SELLAT_API_TOKEN>"
}
}
}
}[mcp_servers.sellat-mcp]
command = "npx"
args = ["-y", "sellat-mcp"]
env = { SELLAT_API_TOKEN = "<SELLAT_API_TOKEN>" }{
"mcpServers": {
"sellat-mcp": {
"command": "npx",
"args": [
"-y",
"sellat-mcp"
],
"env": {
"SELLAT_API_TOKEN": "<SELLAT_API_TOKEN>"
}
}
}
}{
"servers": {
"sellat-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"sellat-mcp"
],
"env": {
"SELLAT_API_TOKEN": "<SELLAT_API_TOKEN>"
}
}
}
}Put your own value in place of
<SELLAT_API_TOKEN> (Your Sellat API key (sellat_…), from sellat.app → Dashboard → API).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
SELLAT_DOWNLOAD_DIR (Where certificates and evidence packages are saved (default: the system's downloads folder)), SELLAT_API_URL (Another Sellat environment (default: https://sellat.app)).
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Sellat — questions
Answers built from our own checks of this server.