pki-read-role · Vault MCP Server (mschuchard) MCP

WHAT IT DOES

What pki-read-role does on Vault MCP Server (mschuchard)

AI agents call pki-read-role to retrieve information from Vault MCP Server (mschuchard) without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why pki-read-role needs a policy

The 'read' verb in the tool name combined with the PKI context suggests this retrieves role configuration data without modifying or deleting anything. While the description is uninformative (empty), the naming convention strongly indicates a read operation.

From the tool's definition Tool name 'pki-read-role' contains 'read', indicating data retrieval. The PKI (Public Key Infrastructure) engine context in the Vault server description confirms this reads role configurations from the PKI backend.

Attacks that exploit this kind of access

Questions about pki-read-role

What does the pki-read-role tool do? +

pki-read-role. It is categorised as a Read tool in the Vault MCP Server (mschuchard) MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on pki-read-role? +

Register the Vault MCP Server (mschuchard) MCP server in PolicyLayer and add a rule for pki-read-role: 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 Vault MCP Server (mschuchard). Nothing to install.

What risk level is pki-read-role? +

pki-read-role is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit pki-read-role? +

Yes. Add a rate_limit block to the pki-read-role 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.

How do I block pki-read-role completely? +

Set action: deny in the PolicyLayer policy for pki-read-role. 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.

What MCP server provides pki-read-role? +

pki-read-role is provided by the Vault MCP Server (mschuchard) MCP server (mschuchard/vault-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.