List all lifecycle definitions configured in the vault.
AI agents call vault_list_lifecycle_definitions to retrieve information from Vault MCP Server 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 metadata about lifecycle definitions without creating, modifying, deleting, or executing any operations. It is a pure read operation on configuration data with no side effects. Severity is low because lifecycle definition metadata is typically non-sensitive configuration information with minimal blast radius if exposed to an AI agent.
From the tool's definition Tool name contains 'list' and description states 'List all lifecycle definitions' — a retrieval operation with no modification. Aligns with sibling tools (vault_get_*, vault_advanced_search) that are all read-only data access operations.
Attacks that exploit this kind of access
List all lifecycle definitions configured in the vault. It is categorised as a Read tool in the Vault MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Vault MCP Server MCP server in PolicyLayer and add a rule for vault_list_lifecycle_definitions: 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. Nothing to install.
vault_list_lifecycle_definitions 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 vault_list_lifecycle_definitions 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 vault_list_lifecycle_definitions. 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.
vault_list_lifecycle_definitions is provided by the Vault MCP Server MCP server (muhammadtaimur/vault-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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