AI agents call get_spec to retrieve information from Speclib without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
get_spec retrieves and reads technical specification content identified by ID. This is a pure read operation that queries data without creating, modifying, deleting, or executing anything. The low severity reflects that exposing specification retrieval carries minimal risk—it only discloses information the agent is already authorized to access.
From the tool's definition Tool description states 'Get the full spec by its numeric ID', which retrieves content without modification.
Attacks that exploit this kind of access
Get the full spec by its numeric ID, including the frontmatter+body content. It is categorised as a Read tool in the Speclib MCP Server, which means it retrieves data without modifying state.
Register the Speclib MCP server in PolicyLayer and add a rule for get_spec: 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 Speclib. Nothing to install.
get_spec 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_spec 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_spec. 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_spec is provided by the Speclib MCP server (rang501/speclib-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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