AI agents call get_secret to retrieve information from Secr without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves secret data without side effects, placing it in the Read category. Severity is high because secrets are sensitive credentials whose exposure to an AI agent could enable compromise of downstream systems, even though the tool itself only performs read access. The server description emphasizes this is for 'secure secret operations,' underscoring the sensitivity of the data handled.
From the tool's definition Tool name is 'get_secret' and description states 'Get a single secret value by key' — explicitly a retrieval operation with no modification or deletion.
Attacks that exploit this kind of access
Get a single secret value by key. It is categorised as a Read tool in the Secr MCP Server, which means it retrieves data without modifying state.
Register the Secr MCP server in PolicyLayer and add a rule for get_secret: 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 Secr. Nothing to install.
get_secret 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_secret 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_secret. 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_secret is provided by the Secr MCP server (secr-dev/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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