Ucc Liens vs Polish KYB
A side-by-side look at the Ucc Liens and Polish KYB MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Ucc Liens for legal work as a local process; choose Polish KYB for legal over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Ucc Liens when
- You need dedicated capabilities in the Legal domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
Choose Polish KYB when
- You need dedicated capabilities in the Legal domain.
- You prefer a remote HTTP/SSE transport.
- Its auth model fits you: API key required.
- You want tools like
search_companies, get_company_people, get_company_debt_registry.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Legal | Legal |
| Quality signal | 41/100 · Fair | 53/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | No auth required | API key required |
| Pricing | Free | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 0 |
| Directory activity | 0 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | Not listed | 6 |
| Full listing | View Ucc Liens | View Polish KYB |
Tools & capabilities
Ucc Liens tools
No tool names declared yet. Check the project README from the listing page.
Polish KYB tools 6
search_companiesFind the company and read its KRS registry profile and VAT status.get_company_peopleManagement board, supervisory board, shareholders and beneficial owners (CRBR).get_company_debt_registryInsolvency and restructuring proceedings (KRZ).get_company_court_gazetteCourt and Commercial Gazette (MSiG) notices.get_company_sanctionsSanctions lists and KNF financial supervision register.get_company_secured_liabilitiesSecured liabilities and articles of association.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Ucc Liens
{
"mcpServers": {
"ucc-liens": {
"command": "npx",
"args": [
"-y",
"@pipeworx/mcp-ucc-liens"
]
}
}
}
Polish KYB
{
"mcpServers": {
"polish-kyb": {
"url": "https://compabase.com/api/mcp/kyb"
}
}
}
Frequently asked questions
Ucc Liens is categorized under Legal and uses a local stdio subprocess. Polish KYB belongs to Legal and uses a remote HTTP/SSE transport. Pick Ucc Liens for legal work and Polish KYB for legal.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Ucc Liens is listed as free. Auth: no auth required. Polish KYB has no declared pricing — check the project's own site. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add ucc-liens and polish-kyb as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Ucc Liens has a quality signal of 41/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Polish KYB has 53/100 (Good) with 1 views, 0 installs and 0 GitHub stars.