Tamper-evident spatial receipts: cryptographic proof-of-presence for AV fleets, logistics and AR.
Connect Runs on your machine
claude mcp add gridstamp -e GRIDSTAMP_API_KEY=<GRIDSTAMP_API_KEY> -- npx -y [email protected]{
"mcpServers": {
"gridstamp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"GRIDSTAMP_API_KEY": "<GRIDSTAMP_API_KEY>"
}
}
}
}{
"mcpServers": {
"gridstamp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"GRIDSTAMP_API_KEY": "<GRIDSTAMP_API_KEY>"
}
}
}
}{
"servers": {
"gridstamp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"GRIDSTAMP_API_KEY": "<GRIDSTAMP_API_KEY>"
}
}
}
}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 |
|---|---|
GRIDSTAMP_API_KEYOptional, secret | GridStamp API key from https://gridstamp.mnemopay.com |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 3 Nov 2026 |
| Last updated | 3 Nov 2026 |
| Registry name | com.mnemopay/gridstamp |
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