Signed, hash-chained provenance receipts for AI agent actions.
Connect Runs on your machine
claude mcp add proof-layer -e PROOF_LAYER_API_KEY=<PROOF_LAYER_API_KEY> -e PROOF_LAYER_API_URL=<PROOF_LAYER_API_URL> -e PROOF_LAYER_TELEMETRY=<PROOF_LAYER_TELEMETRY> -- npx -y @proof-layer/[email protected]
{
"mcpServers": {
"proof-layer": {
"command": "npx",
"args": [
"-y",
"@proof-layer/[email protected]"
],
"env": {
"PROOF_LAYER_API_KEY": "<PROOF_LAYER_API_KEY>",
"PROOF_LAYER_API_URL": "<PROOF_LAYER_API_URL>",
"PROOF_LAYER_TELEMETRY": "<PROOF_LAYER_TELEMETRY>"
}
}
}
}
{
"mcpServers": {
"proof-layer": {
"command": "npx",
"args": [
"-y",
"@proof-layer/[email protected]"
],
"env": {
"PROOF_LAYER_API_KEY": "<PROOF_LAYER_API_KEY>",
"PROOF_LAYER_API_URL": "<PROOF_LAYER_API_URL>",
"PROOF_LAYER_TELEMETRY": "<PROOF_LAYER_TELEMETRY>"
}
}
}
}
{
"servers": {
"proof-layer": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@proof-layer/[email protected]"
],
"env": {
"PROOF_LAYER_API_KEY": "<PROOF_LAYER_API_KEY>",
"PROOF_LAYER_API_URL": "<PROOF_LAYER_API_URL>",
"PROOF_LAYER_TELEMETRY": "<PROOF_LAYER_TELEMETRY>"
}
}
}
}
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 |
|---|---|
PROOF_LAYER_API_KEYRequired, secret | Your Proof Layer API key from https://prooflayer.world999labs.com/dashboard/keys |
PROOF_LAYER_API_URLOptional | Override the default API endpoint (default: https://prooflayer.world999labs.com) |
PROOF_LAYER_TELEMETRYOptional | Set to 'off' to disable anonymous usage telemetry (default: on) |
Details
| Package | @proof-layer/[email protected] (NPM, stdio) |
| First published | 3 May 2026 |
| Last updated | 3 May 2026 |
| Registry name | io.github.World-999-Labs/proof-layer |
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