Get the JSON Schema for a jambonz verb or component. Available: ${allNames.join(
AI agents call get_jambonz_schema to retrieve information from Mcp Schema without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a straightforward data retrieval tool that queries and returns schema documentation. It has no side effects, cannot execute code, modify data, or trigger external operations. The blast radius of misuse is minimal—an agent could only access or exfiltrate schema documentation that is already published developer reference material.
From the tool's definition Tool retrieves JSON Schema definitions for jambonz verbs and components. The description indicates it 'Get[s] the JSON Schema' and 'query[s] verb definitions, component types, callback payloads' without any ability to modify, execute, or delete data.
Attacks that exploit this kind of access
Get the JSON Schema for a jambonz verb or component. Available: ${allNames.join(. It is categorised as a Read tool in the Mcp Schema MCP Server, which means it retrieves data without modifying state.
Register the Mcp Schema MCP server in PolicyLayer and add a rule for get_jambonz_schema: 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 Mcp Schema. Nothing to install.
get_jambonz_schema 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_jambonz_schema 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_jambonz_schema. 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_jambonz_schema is provided by the Mcp Schema MCP server (jambonz/mcp-server). 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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