AI agents call get_event_documentation to retrieve information from Spline without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns documentation—a read-only operation with no ability to modify, delete, or execute code. It poses minimal risk even if misused by an AI agent, as it merely retrieves informational content.
From the tool's definition Tool name 'get_event_documentation' and description 'Get documentation for a specific event type' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get documentation for a specific event type. It is categorised as a Read tool in the Spline MCP Server, which means it retrieves data without modifying state.
Register the Spline MCP server in PolicyLayer and add a rule for get_event_documentation: 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 Spline. Nothing to install.
get_event_documentation 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 get_event_documentation 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 get_event_documentation. 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.
get_event_documentation is provided by the Spline MCP server (lesleslie/spline-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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