Attestify OS runs on your own machine — the client starts it, so there is no endpoint to ping. 57 installs a week from npm. Last commit 28 Aug 2026.
MCP stdio server for Attestify OS — governed agent execution and Attestify Trust signed evidence.
Today is the operative word: we check Attestify OS every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 attestify-mcp -- npx -y attestify-mcp
{
"mcpServers": {
"attestify-mcp": {
"args": [
"-y",
"attestify-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.attestify-mcp]
command = "npx"
args = ["-y", "attestify-mcp"]
{
"mcpServers": {
"attestify-mcp": {
"args": [
"-y",
"attestify-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"attestify-mcp": {
"args": [
"-y",
"attestify-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
ATTESTIFY_BASE_URL (Base URL of the deployed Attestify app.), ATTESTIFY_API_KEY (Tenant API key issued via POST /api/keys, sent as X-API-Key on /api/run calls.), TRUST_AGENT_ID (Attestify Trust agent ID, from a one-time `npx attestify trust-init` run. Enables attestify_trust_submit_evidence and attestify_trust_verify.), TRUST_PRIVATE_KEY (That agent's Ed25519 private key (base64url), from the same trust-init run. Never leaves this server except as a signature.).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.