MCP server

Cz-agents Isir Official

dev.cz-agents/isir

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Czech insolvency register (ISIR) — active/historical insolvency & bankruptcy by IČO or person.

Working at last checkVerified publisher: cz-agents.devAbout 559 tokens per request once connected3 tools

https://isir.cz-agents.dev/mcp

At a glance

Type: MCP server
Publisher: cz-agents.dev (verified by the MCP Registry)
Status: Working at last check
Tools: 3
Token cost: About 559 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http isir https://isir.cz-agents.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.isir]
url = "https://isir.cz-agents.dev/mcp"

Gemini CLI

{"mcpServers":{"isir":{"httpUrl":"https://isir.cz-agents.dev/mcp"}}}

Cursor

{"mcpServers":{"isir":{"url":"https://isir.cz-agents.dev/mcp"}}}

VS Code

{"servers":{"isir":{"type":"http","url":"https://isir.cz-agents.dev/mcp"}}}

Antigravity

agy mcp add isir https://isir.cz-agents.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"isir","server_url":"https://isir.cz-agents.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"isir","server_url":"https://isir.cz-agents.dev/mcp"}

check_ico_insolvency ~134 tokens
Check whether a Czech company (by IČO) has any active insolvency proceeding in ISIR. Returns spisová značka, start date, and current phase if found. Returns "no record" if not (which is also informative).
poll_isir_events ~178 tokens
Pull a batch of recent ISIR events (insolvency register publications) since the given event id. ISIR is an append-only feed — each call returns up to ~1000 events newer than `since_id`. Use `last_id` from response as next `since_id`. Useful for compliance monitoring or to back-fill an index.
search_person_insolvency ~247 tokens
Search ISIR for an individual person (FO) by name and optional date of birth. Returns active insolvency proceedings (oddlužení / osobní bankrot). Used to screen statutory persons in KYC and DD workflows.

Czech Company Registry (ARES) Tools
Czech ARES company registry: VAT, insolvency, RÚIAN addresses, IČO/DIČ checks. All free, no auth.
Sirenic
Official French and European company data for AI agents, paid per call (x402) or by API key.
Cz-agents Dd
Czech & EU due diligence in one call — facts, insolvency, sanctions, VAT, risk score, UBO chain.
Cz-agents Realestate
Czech distressed real estate — anonymized district aggregates (k≥5). Free tier.
Agentdata Nl
x402-paid tools: EU company & sanctions data, web search, LLM chat, crypto intel, x402 monitoring.
Norric
Swedish B2B intelligence for AI agents: insolvency risk, procurement, BRF health and more.
Uk Gazette
UK Gazette MCP — The Gazette (www.thegazette.co.uk), the UK's official
Evidence exekucí
Czech registers: executions (paid 60 CZK), insolvency, land registry, ID validity, sanctions.

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