GET /api/registration/quote — requires tier; optional Ed25519 pubkey hex.
AI agents call kya_registration_quote to retrieve information from UMBRAXON/kya Hub without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only fetches data (a registration quote) from an API endpoint without side effects. The GET method and read-only server classification confirm this is a retrieval operation. While it may eventually be part of a registration workflow, the tool itself is purely informational and non-destructive.
From the tool's definition Tool is explicitly described as 'GET /api/registration/quote' (HTTP GET request); server is described as 'Read-only MCP server'; the tool retrieves a registration quote with optional parameters (tier, pubkey hex) but does not modify, delete, or execute…
Attacks that exploit this kind of access
GET /api/registration/quote — requires tier; optional Ed25519 pubkey hex. It is categorised as a Read tool in the UMBRAXON/kya Hub MCP Server, which means it retrieves data without modifying state.
Register the UMBRAXON/kya Hub MCP server in PolicyLayer and add a rule for kya_registration_quote: 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 UMBRAXON/kya Hub. Nothing to install.
kya_registration_quote 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 kya_registration_quote 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 kya_registration_quote. 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.
kya_registration_quote is provided by the UMBRAXON/kya Hub MCP server (umbraxon/kya-hub). 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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