retrievePasswordValidationRulesWithId
Retrieves the password validation rules for a specific tenant. This method requires a tenantId to be provided through the use of a Tenant scoped API key or an HTTP header X-FusionAuth-TenantId to specify the Tenant Id. This API does not require an API key.
This record as markdown: /tools/io-fusionauth-mcp-api/retrievepasswordvalidationruleswithid.md
What retrievePasswordValidationRulesWithId does on Fusionauth
AI agents call retrievePasswordValidationRulesWithId to retrieve information from Fusionauth without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why retrievePasswordValidationRulesWithId is rated Low
This tool retrieves configuration data (password validation rules) for a tenant without creating, modifying, deleting, or executing operations. The lack of requirement for API key authentication and the explicit retrieval semantics classify it as Read.
From the tool's definition Tool name contains 'retrieve' and description states 'Retrieves the password validation rules' — a query operation with no side effects. Explicitly noted 'This API does not require an API key', indicating it is a read-only operation that does not modify state.
Attacks that exploit this kind of access
The rule that runs retrievePasswordValidationRulesWithId safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Fusionauth, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For retrievePasswordValidationRulesWithId, this is the rule to start with:
retrievePasswordValidationRulesWithId is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Fusionauth, apply this rule, and every retrievePasswordValidationRulesWithId call is checked against it from then on.
Questions about retrievePasswordValidationRulesWithId
Retrieves the password validation rules for a specific tenant. This method requires a tenantId to be provided through the use of a Tenant scoped API key or an HTTP header X-FusionAuth-TenantId to specify the Tenant Id. This API does not require an API key. It is categorised as a Read tool in the Fusionauth MCP Server, which means it retrieves data without modifying state.
Register the Fusionauth MCP server in PolicyLayer and add a rule for retrievePasswordValidationRulesWithId: 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 Fusionauth. Nothing to install.
retrievePasswordValidationRulesWithId 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 retrievePasswordValidationRulesWithId 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 retrievePasswordValidationRulesWithId. 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.
retrievePasswordValidationRulesWithId is provided by the Fusionauth MCP server (@fusionauth/mcp-api). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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