Official Polish company registry lookup by KRS number (KRS — Ministry of Justice, current extract / OdpisAktualny). Returns legal name, legal form, NIP and REGON identifiers, KRS registration date, share capital, and registered address. Register P = entrepreneurs (default); S = associations/found...
AI agents call business.pl-krs to retrieve information from Mcp without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward registry query tool that retrieves publicly available company information from the Polish Ministry of Justice database. It has no side effects, cannot modify data, and does not execute code or move funds. The blast radius of misuse is minimal—an agent could retrieve company information it shouldn't have access to, but cannot act on that data destructively. This is a Read operation.
From the tool's definition Tool performs a 'lookup' of official company registry data by KRS number, returning 'legal name, legal form, NIP and REGON identifiers, KRS registration date, share capital, and registered address.' No modification, deletion, execution, or financial…
Attacks that exploit this kind of access
Official Polish company registry lookup by KRS number (KRS — Ministry of Justice, current extract / OdpisAktualny). Returns legal name, legal form, NIP and REGON identifiers, KRS registration date, share capital, and registered address. Register P = entrepreneurs (default); S = associations/foundations. Free, Polish pu. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.
Register the MCP server in PolicyLayer and add a rule for business.pl-krs: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mcp. Nothing to install.
business.pl-krs is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the business.pl-krs rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for business.pl-krs. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
business.pl-krs is provided by the MCP server (@2sio/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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