Show what changed in a provision between two dates, including a unified diff and change summary.
AI agents call diff_provision to retrieve information from German Law MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries historical versions of legal provisions and compares them, producing read-only output. It retrieves data without creating, modifying, deleting, or executing anything. The diff display is purely informational analysis of existing legal texts. No side effects or state changes occur.
From the tool's definition Tool description states 'Show what changed in a provision between two dates' - a retrieval and comparison operation with no modification capability. The unified diff output is informational only.
Attacks that exploit this kind of access
Show what changed in a provision between two dates, including a unified diff and change summary. It is categorised as a Read tool in the German Law MCP Server MCP Server, which means it retrieves data without modifying state.
Register the German Law MCP Server MCP server in PolicyLayer and add a rule for diff_provision: 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 German Law MCP Server. Nothing to install.
diff_provision 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 diff_provision 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 diff_provision. 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.
diff_provision is provided by the German Law MCP Server MCP server (nenna-ai-gmbh/german-law-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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