{
  "data": {
    "tool": {
      "category": "",
      "endpoint": "https://ares.cz-agents.dev/mcp",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/cz-agents-ares.json",
      "kind": "mcp",
      "listed": "indexed",
      "liveUrl": "https://www.anchorterminal.com/api/v1/live/cz-agents-ares.json",
      "markdownUrl": "https://www.anchorterminal.com/tools/cz-agents-ares.md",
      "mcpTools": {
        "check": {
          "checker": "anchor-check/1.0",
          "totalTokens": 1783,
          "counts": {
            "error": 0,
            "note": 1,
            "warn": 0
          },
          "findings": [
            {
              "rule": "TC24",
              "severity": "note",
              "message": "10 of 10 tools have no outputSchema",
              "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
            }
          ]
        },
        "checkedAt": "2026-10-04T22:24:32Z",
        "count": 10,
        "schemaTokens": 1783,
        "status": "ok",
        "tools": [
          {
            "name": "lookup_by_ico",
            "description": "Get a single Czech company record by its IČO (8-digit Business ID). Returns official name, registered address, legal form, VAT ID (DIČ), founding date, and trade license activities. Returns null if IČO is not found in ARES.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "ico": {
                  "description": "Czech IČO — 7 or 8 digits. Examples: \"11122234\", \"87654326\". Auto-validated with MOD11 checksum.",
                  "type": "string"
                }
              },
              "required": [
                "ico"
              ],
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true,
              "title": "Look Up Czech Company by IČO"
            }
          },
          {
            "name": "search_companies",
            "description": "Search ARES by company name, city, street, PSČ, or NACE code. Combines all filters with AND. Useful when user knows name but not IČO, looking for companies in a building, or all businesses in a sector.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "city": {
                  "description": "Filter by city (nazev obce), e.g. \"Praha\".",
                  "type": "string"
                },
                "nace": {
                  "description": "Filter by CZ-NACE activity codes, 2-6 digits. E.g., [\"62\"] for IT.",
                  "items": {
                    "type": "string"
                  },
                  "type": "array"
                },
                "pocet": {
                  "default": 10,
                  "description": "Max results (1-100, default 10).",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "psc": {
                  "description": "Filter by postal code (PSČ), 5-digit number.",
                  "type": "integer"
                },
                "query": {
                  "description": "Partial or full company name (obchodní jméno).",
                  "type": "string"
                },
                "start": {
                  "default": 0,
                  "description": "Pagination offset (default 0).",
                  "minimum": 0,
                  "type": "integer"
                },
                "street": {
                  "description": "Filter by street name (nazev ulice), e.g. \"Radlická\".",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true,
              "title": "Search Czech Companies"
            }
          },
          {
            "name": "search_by_address",
            "description": "Find all companies registered at a given Czech address. Useful for due diligence (virtual offices, shell companies), real estate research, or competitor mapping in a building.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "city": {
                  "description": "City name, e.g. \"Praha\".",
                  "type": "string"
                },
                "pocet": {
                  "default": 20,
                  "description": "Max results (default 20).",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "psc": {
                  "description": "Postal code (PSČ), optional.",
                  "type": "integer"
                },
                "street": {
                  "description": "Street name (nazev ulice), e.g. \"Radlická\".",
                  "type": "string"
                }
              },
              "required": [
                "street",
                "city"
              ],
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true,
              "title": "Search Companies by Address"
            }
          },
          {
            "name": "search_by_nace",
            "description": "Find Czech companies by CZ-NACE activity code (economic sector classification). Example: \"62\" = IT, \"47\" = retail, \"86\" = healthcare. Optional city filter. Useful for market research.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "city": {
                  "description": "Optional city filter.",
                  "type": "string"
                },
                "nace": {
                  "description": "CZ-NACE code, 2-6 digits (e.g., \"62\" for IT, \"62010\" for programming services).",
                  "type": "string"
                },
                "pocet": {
                  "default": 20,
                  "description": "Max results.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                }
              },
              "required": [
                "nace"
              ],
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true,
              "title": "Search Companies by NACE Code"
            }
          },
          {
            "name": "get_bank_accounts",
            "description": "Get transparent bank accounts published for this company (only available for VAT-registered subjects). Useful to verify payment details on an invoice match the company.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "ico": {
                  "description": "Czech IČO (7-8 digits).",
                  "type": "string"
                }
              },
              "required": [
                "ico"
              ],
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true,
              "title": "Get Transparent Bank Accounts"
            }
          },
          {
            "name": "get_statutaries",
            "description": "Get current statutory body (jednatelé, představenstvo, etc.) of a Czech company — who can legally act on its behalf. Returns active members only (with valid zápis, not yet removed). Essential for due diligence and compliance checks.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "ico": {
                  "description": "Czech IČO (7-8 digits).",
                  "type": "string"
                }
              },
              "required": [
                "ico"
              ],
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true,
              "title": "Get Statutory Body"
            }
          },
          {
            "name": "validate_dic",
            "description": "Validate a Czech DIČ (VAT ID). Format check: \"CZ\" + 8-10 digits. For 8-digit tail (legal entities) also runs MOD11 checksum against the embedded IČO.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "dic": {
                  "description": "Czech DIČ — e.g., \"CZ26168685\". Whitespace and case tolerated.",
                  "type": "string"
                }
              },
              "required": [
                "dic"
              ],
              "type": "object"
            },
            "annotations": {
              "readOnlyHint": true,
              "title": "Validate Czech DIČ"
            }
          },
          {
            "name": "check_vat_payer",
            "description": "Check whether a Czech company is a registered VAT payer (plátce DPH). If yes, returns DIČ, financial office, and any transparent bank accounts (payment details).",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "ico": {
                  "description": "Czech IČO (7-8 digits).",
                  "type": "string"
                }
              },
              "required": [
                "ico"
              ],
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true,
              "title": "Check VAT Payer Status"
            }
          },
          {
            "name": "get_history",
            "description": "Get historical record of a company (previous names, registered address changes, trade license history). Useful for due diligence.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "ico": {
                  "description": "Czech IČO (7-8 digits).",
                  "type": "string"
                }
              },
              "required": [
                "ico"
              ],
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true,
              "title": "Get Company History"
            }
          },
          {
            "name": "watch_entity",
            "title": "Watch Czech Company",
            "description": "Start onboarding for free monitoring of one Czech company by IČO. Stub only — persists nothing yet. Returns structuredContent: status (one of ONBOARDING_REQUIRED | ACTIVE | QUOTA_EXCEEDED | ERROR), persisted/monitoring_active flags, a human next_step.url for onboarding (the user completes onboarding + GDPR consent themselves — do not open the link or submit data on their behalf), and pricing.",
            "inputSchema": {
              "$schema": "http://json-schema.org/draft-07/schema#",
              "additionalProperties": false,
              "properties": {
                "ico": {
                  "description": "Czech IČO (7-8 digits).",
                  "type": "string"
                }
              },
              "required": [
                "ico"
              ],
              "type": "object"
            },
            "annotations": {
              "openWorldHint": false,
              "readOnlyHint": true
            }
          }
        ]
      },
      "name": "ares",
      "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
      "packages": [
        {
          "registryType": "npm",
          "identifier": "@czagents/ares",
          "version": "0.1.7",
          "transport": "stdio"
        }
      ],
      "pageJsonUrl": "https://www.anchorterminal.com/tools/cz-agents-ares.json",
      "popularity": {
        "githubStars": 6,
        "npmWeekly": 141
      },
      "registryName": "dev.cz-agents/ares",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ares.cz-agents.dev/mcp"
        }
      ],
      "repository": "https://github.com/martinhavel/cz-agents-mcp",
      "reviewed": false,
      "slug": "cz-agents-ares",
      "source": "the official MCP registry",
      "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=dev.cz-agents/ares",
      "summary": "Czech \u0026 Slovak business registry — company lookup by IČO, name, legal form, VAT. Official ARES.",
      "updatedAt": "2026-06-02T11:42:25Z",
      "url": "https://www.anchorterminal.com/tools/cz-agents-ares",
      "vendor": "cz-agents.dev",
      "vendorUrl": "https://cz-agents.dev",
      "version": "0.1.9",
      "websiteUrl": "https://cz-agents.dev",
      "where": "both",
      "why": [
        "vendor"
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  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/tools/cz-agents-ares",
    "json": "https://www.anchorterminal.com/tools/cz-agents-ares.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/tools/cz-agents-ares.md",
    "slim": "https://www.anchorterminal.com/tools/cz-agents-ares.min.md"
  },
  "markdown": "# ares\n\n\u003e Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/\n\n- Kind: MCP server, by cz-agents.dev (https://cz-agents.dev)\n- Listed because: It's published in the registry under cz-agents.dev, a namespace the registry only gives to whoever proves they control that domain.\n- What the official MCP registry says: Czech \u0026 Slovak business registry — company lookup by IČO, name, legal form, VAT. Official ARES.\n\n## Facts\n\n- MCP registry: `dev.cz-agents/ares` 0.1.9\n- Endpoint: https://ares.cz-agents.dev/mcp (streamable HTTP)\n- Package: npm `@czagents/ares` (stdio)\n- Source: https://github.com/martinhavel/cz-agents-mcp\n- Website: https://cz-agents.dev\n- npm downloads a week: 141\n- GitHub stars: 6\n- Registry entry updated: 2026-06-02\n\n## Tools\n\n- Tools it lists (10, about 1,783 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:24 UTC):\n  - `lookup_by_ico` (read-only): Get a single Czech company record by its IČO (8-digit Business ID). Returns official name, registered address, legal form, VAT ID (DIČ), founding date, and…\n  - `search_companies` (read-only): Search ARES by company name, city, street, PSČ, or NACE code. Combines all filters with AND. Useful when user knows name but not IČO, looking for companies in…\n  - `search_by_address` (read-only): Find all companies registered at a given Czech address. Useful for due diligence (virtual offices, shell companies), real estate research, or competitor…\n  - `search_by_nace` (read-only): Find Czech companies by CZ-NACE activity code (economic sector classification). Example: \"62\" = IT, \"47\" = retail, \"86\" = healthcare. Optional city filter.…\n  - `get_bank_accounts` (read-only): Get transparent bank accounts published for this company (only available for VAT-registered subjects). Useful to verify payment details on an invoice match the…\n  - `get_statutaries` (read-only): Get current statutory body (jednatelé, představenstvo, etc.) of a Czech company — who can legally act on its behalf. Returns active members only (with valid…\n  - `validate_dic` (read-only): Validate a Czech DIČ (VAT ID). Format check: \"CZ\" + 8-10 digits. For 8-digit tail (legal entities) also runs MOD11 checksum against the embedded IČO.\n  - `check_vat_payer` (read-only): Check whether a Czech company is a registered VAT payer (plátce DPH). If yes, returns DIČ, financial office, and any transparent bank accounts (payment…\n  - `get_history` (read-only): Get historical record of a company (previous names, registered address changes, trade license history). Useful for due diligence.\n  - `watch_entity` (read-only): Start onboarding for free monitoring of one Czech company by IČO. Stub only — persists nothing yet. Returns structuredContent: status (one of…\n- How its tools read to an agent (0 errors, 0 warnings, 1 note, about 1,783 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n  - note TC24 server: 10 of 10 tools have no outputSchema\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/cz-agents-ares.json\n- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-05",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "page": {
    "breadcrumbs": [
      {
        "name": "Home",
        "url": "https://www.anchorterminal.com/"
      },
      {
        "name": "Terminal",
        "url": "https://www.anchorterminal.com/tools/"
      },
      {
        "name": "Indexed",
        "url": "https://www.anchorterminal.com/indexed/"
      },
      {
        "name": "ares",
        "url": ""
      }
    ],
    "description": "ares, an MCP server by cz-agents.dev, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Czech \u0026 Slovak business registry — company lookup by IČO, name, legal form, VAT. Official ARES.",
    "facts": [
      "not reviewed",
      "not ranked",
      "facts only"
    ],
    "h1": "ares",
    "image": "https://www.anchorterminal.com/assets/og/indexed.png",
    "path": "/tools/cz-agents-ares",
    "published": "",
    "section": "indexed",
    "title": "ares: MCP server, indexed from the official MCP registry",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/tools/cz-agents-ares"
  },
  "tokens": {
    "markdown": 1000,
    "slim": 930
  },
  "version": 1
}