Certnode MCP Server
io.github.srbryant86/mcp-serverv1.2.2
Sign AI output for EU AI Act + FRE 902 compliance, verify content authenticity provenance
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Install Certnode MCP server
Install in Claude Code
claude mcp add certnode -e CERTNODE_API_KEY='<certnode-api-key>' -- npx -y @certnode/mcp-serverInstall in Cursor
{
"mcpServers": {
"certnode": {
"command": "npx",
"args": [
"-y",
"@certnode/mcp-server"
],
"env": {
"CERTNODE_API_KEY": "<certnode-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"certnode": {
"command": "npx",
"args": [
"-y",
"@certnode/mcp-server"
],
"env": {
"CERTNODE_API_KEY": "<certnode-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"certnode": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@certnode/mcp-server"
],
"env": {
"CERTNODE_API_KEY": "<certnode-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"certnode": {
"command": "npx",
"args": [
"-y",
"@certnode/mcp-server"
],
"env": {
"CERTNODE_API_KEY": "<certnode-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CERTNODE_API_KEY | — | yes | CertNode API key from https://certnode.io/dashboard/api-keys (required for sign_ai_output and authenticated verification) |
| CERTNODE_API_URL | — | — | CertNode API base URL. Defaults to https://certnode.io/api/v1 |
Freshness
Slowing — last maintenance signal 6mo ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-04-28 · 6mo ago · official registry · v1.2.2
FAQ
›How do I install the Certnode MCP server in Claude Code?
Run: claude mcp add certnode -e CERTNODE_API_KEY='<certnode-api-key>' -- npx -y @certnode/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Certnode require an API key?
Yes. It expects CERTNODE_API_KEY, of which 1 is a secret.
›Can I use Certnode as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Certnode in the official MCP registry?
Yes, as io.github.srbryant86/mcp-server.