ARES (Czech business registry) vs Courtlistener MCP Server
A side-by-side look at the ARES (Czech business registry) and Courtlistener MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose ARES (Czech business registry) for legal work as a local process; choose Courtlistener MCP Server for legal as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose ARES (Czech business registry) when
- You need dedicated capabilities in the Legal domain.
- You prefer a local stdio subprocess transport.
- You want tools like
ares_validate_ico, ares_lookup_company, ares_search_companies.
Choose Courtlistener MCP Server when
- You need dedicated capabilities in the Legal domain.
- You prefer a local stdio subprocess transport.
- You want tools like
courtlistener_search_opinions, courtlistener_get_opinion, courtlistener_get_citations.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Legal | Legal |
| Quality signal | 55/100 · Good | 57/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 4 |
| Directory activity | 4 views 0 installs 0 upvotes | 2 views 0 installs 0 upvotes |
| Tools | 14 | 14 |
| Full listing | View ARES (Czech business registry) | View Courtlistener MCP Server |
Tools & capabilities
ARES (Czech business registry) tools 14
ares_validate_icoMod-11 checksum validation. No network call.ares_lookup_companyAggregated company profile by IČO.ares_search_companiesStructured search by name, postcode, NACE, legal form.ares_get_statutory_bodiesDirectors, board, partners (from VR).ares_get_trade_licensesTrade licenses (from RŽP).ares_check_vat_payerVAT-payer status with optional DIČ cross-check.ares_standardize_addressCanonicalize a free-form address via RÚIAN.ares_lookup_cz_naceCZ-NACE classification lookup.ares_cross_company_personsGiven 2–50 IČOs, find persons who hold active statutory roles in two or more of them. Returns JSON + Mermaid graph.ares_search_by_addressFind all entities at a given address. Flags virtual offices / shell-address concentrations.ares_get_res_classificationStatistical classification from RES — size bracket, ESA 2010 sector, NUTS region.ares_check_insolvenciFast red-flag: is the entity currently in insolvency proceedings (IR) or marked as bankrupt (CEÚ)?- +2 more on the listing page
Courtlistener MCP Server tools 14
courtlistener_search_opinionsFull-text search across 9M+ court opinions with field syntax, court, date, and status filterscourtlistener_get_opinionFetch an opinion cluster's metadata and the full text of every variant (majority, concurrence, dissent)courtlistener_get_citationsTrace a cluster's citation network: opinions it cites (`citing`) or that cite it (`cited_by`)courtlistener_lookup_citationResolve every citation in a text (e.g. "410 U.S. 113") to cluster IDs and case metadatacourtlistener_search_docketsSearch RECAP federal dockets by case name, party, attorney, court, and filing datecourtlistener_get_docketFetch a federal docket's metadata and paged entry list with document availabilitycourtlistener_get_partiesFetch the parties and attorneys of record on a RECAP docketcourtlistener_search_judgesSearch judges by name, appointing president, court, and political affiliationcourtlistener_get_judgeFetch a judge's positions, education, political affiliations, and ABA ratingscourtlistener_lookup_courtsList courts by jurisdiction type, active/inactive status, and scraper coveragecourtlistener_search_oral_argumentsSearch appellate oral argument recordings by case name, transcript text, court, and argument datecourtlistener_get_oral_argumentFetch one oral argument's panel, duration, MP3 link, and speech-to-text transcript- +2 more on the listing page
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.
ARES (Czech business registry)
{
"mcpServers": {
"ares-czech-business-registry": {
"command": "npx",
"args": [
"-y",
"form"
]
}
}
}
Courtlistener MCP Server
{
"mcpServers": {
"courtlistener-mcp-server": {
"command": "bunx",
"args": [
"@cyanheads/courtlistener-mcp-server@latest"
]
}
}
}
Frequently asked questions
ARES (Czech business registry) is categorized under Legal and uses a local stdio subprocess. Courtlistener MCP Server belongs to Legal and uses a local stdio subprocess. Pick ARES (Czech business registry) for legal work and Courtlistener MCP Server 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.
ARES (Czech business registry) has no declared pricing — check the project's own site. Courtlistener MCP Server has no declared pricing — check the project's own site. 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 ares-czech-business-registry and courtlistener-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, ARES (Czech business registry) has a quality signal of 55/100 (Good) with 4 views, 0 installs and 0 GitHub stars. Courtlistener MCP Server has 57/100 (Good) with 2 views, 0 installs and 4 GitHub stars.