Search document change history (Aenderungshistorie). Use this tool to track changes to legal documents over time. Shows when documents were created, modified, or deleted. Available applications (30 total): - Bundesrecht: Bundesnormen, BgblAuth, BgblAlt, BgblPdf, RegV - Landesrecht: Landesnormen, ...
AI agents call ris_history to retrieve information from RIS MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
ris_history is a read-only tool that retrieves and displays the change history of legal documents from Austria's RIS database. It allows users to track when documents were created, modified, or deleted, but does not itself create, modify, delete, or execute any operations.
From the tool's definition Tool description states it is used to 'Search document change history' and 'Shows when documents were created, modified, or deleted.' The verb 'search' and 'shows' indicate retrieval and querying of historical metadata without modification of data.
Documented attack patterns abuse exactly the kind of access ris_history gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and RIS MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for ris_history:
{
"version": "1",
"default": "deny",
"tools": {
"ris_history": {}
}
}ris_history is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Search document change history (Aenderungshistorie). Use this tool to track changes to legal documents over time. Shows when documents were created, modified, or deleted. Available applications (30 total): - Bundesrecht: Bundesnormen, BgblAuth, BgblAlt, BgblPdf, RegV - Landesrecht: Landesnormen, LgblAuth, Lgbl, LgblNO, Vbl, Gemeinderecht, GemeinderechtAuth - Judikatur: Justiz, Vfgh, Vwgh, Bvwg, Lvwg, Dsk, Gbk, Pvak, AsylGH - Sonstige: Bvb, Mrp, Erlaesse, PruefGewO, Avsv, Spg, KmGer, Dok, Normenliste Example queries: - applikation=. It is categorised as a Read tool in the RIS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the RIS MCP Server MCP server in PolicyLayer and add a rule for ris_history: 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 RIS MCP Server. Nothing to install.
ris_history 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 ris_history 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 ris_history. 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.
ris_history is provided by the RIS MCP Server MCP server (honeyfield-org/ris-mcp-ts). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from RIS MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
12 RIS MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.