Proofmark Demo Server runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 7 Nov 2026.
A small filesystem MCP server used to demonstrate Proofmark attestation.
Nothing serious here today
Today is the operative word: we check Proofmark Demo Server 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 proofmark-demo-server -- npx -y proofmark-demo-server{
"mcpServers": {
"proofmark-demo-server": {
"command": "npx",
"args": [
"-y",
"proofmark-demo-server"
]
}
}
}[mcp_servers.proofmark-demo-server]
command = "npx"
args = ["-y", "proofmark-demo-server"]{
"mcpServers": {
"proofmark-demo-server": {
"command": "npx",
"args": [
"-y",
"proofmark-demo-server"
]
}
}
}{
"servers": {
"proofmark-demo-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"proofmark-demo-server"
]
}
}
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Proofmark Demo Server — questions
Answers built from our own checks of this server.