AI agents call get_structure to retrieve information from Pdf Spec without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool purely retrieves structural information about PDF specifications (ISO 32000-2). It has no side effects, cannot modify data, execute code, or trigger external operations. The worst outcome of misuse would be information disclosure or excessive queries, which are low-severity risks. Classification as Read is appropriate for all specification query and navigation tools on this server.
From the tool's definition Tool retrieves section hierarchy from specification documents with no modification capabilities. Description states 'Get the section hierarchy' - a read-only operation.
Attacks that exploit this kind of access
Get the section hierarchy of the PDF specification (ISO 32000-2). It is categorised as a Read tool in the Pdf Spec MCP Server, which means it retrieves data without modifying state.
Register the Pdf Spec MCP server in PolicyLayer and add a rule for get_structure: 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 Pdf Spec. Nothing to install.
get_structure 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_structure 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_structure. 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_structure is provided by the Pdf Spec MCP server (shuji-bonji/pdf-spec-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.
Teams ship this data inside their own products. See what a licence covers →