ARES (Czech business registry) MCP Server
by milos106io.github.milos106/ares-mcpv0.1.2
MCP for ARES, the Czech business registry: lookup, due diligence, insolvency, signed provenance
context tax
queued
security
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cold start
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freshness
Slowing4mo ago
Install ARES (Czech business registry) MCP server
Install in Claude Code
claude mcp add ares-milos106 -e ARES_PROVENANCE_PRIVATE_KEY='<ares-provenance-private-key>' -- npx -y @milos106/ares-mcpInstall in Cursor
{
"mcpServers": {
"ares-milos106": {
"command": "npx",
"args": [
"-y",
"@milos106/ares-mcp"
],
"env": {
"ARES_PROVENANCE_PRIVATE_KEY": "<ares-provenance-private-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"ares-milos106": {
"command": "npx",
"args": [
"-y",
"@milos106/ares-mcp"
],
"env": {
"ARES_PROVENANCE_PRIVATE_KEY": "<ares-provenance-private-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"ares-milos106": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@milos106/ares-mcp"
],
"env": {
"ARES_PROVENANCE_PRIVATE_KEY": "<ares-provenance-private-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"ares-milos106": {
"command": "npx",
"args": [
"-y",
"@milos106/ares-mcp"
],
"env": {
"ARES_PROVENANCE_PRIVATE_KEY": "<ares-provenance-private-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| ARES_PROVENANCE_PRIVATE_KEY | — | yes | Optional Ed25519 private key (base64 PKCS#8 DER) to enable signed provenance envelopes. Omit to run unsigned. |
| ARES_PROVENANCE_KEY_ID | — | — | Optional key id advertised in signed envelopes and the JWKS. Defaults to a thumbprint of the public key. |
| ARES_BASE_URL | — | — | Optional override of the ARES REST base URL (defaults to the public ares.gov.cz endpoint). |
Freshness
Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-06-25 · 4mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-25 · 4mo ago · official registry · v0.1.2
FAQ
›How do I install the ARES (Czech business registry) MCP server in Claude Code?
Run: claude mcp add ares-milos106 -e ARES_PROVENANCE_PRIVATE_KEY='<ares-provenance-private-key>' -- npx -y @milos106/ares-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does ARES (Czech business registry) require an API key?
Yes. It expects ARES_PROVENANCE_PRIVATE_KEY, of which 1 is a secret.
›Can I use ARES (Czech business registry) as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is ARES (Czech business registry) in the official MCP registry?
Yes, as io.github.milos106/ares-mcp.