Shows API help
AI agents call show_help to retrieve information from Open Brush MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a help/documentation tool that queries and returns information about the API. It has no side effects, does not create, modify, delete, or execute any operations. It is purely informational and read-only in nature.
From the tool's definition Tool name 'show_help' and description 'Shows API help' indicate this tool retrieves and displays informational content about the API without modifying any state or triggering operations.
Attacks that exploit this kind of access
Shows API help. It is categorised as a Read tool in the Open Brush MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Open Brush MCP Server MCP server in PolicyLayer and add a rule for show_help: 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 Open Brush MCP Server. Nothing to install.
show_help 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 show_help 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 show_help. 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.
show_help is provided by the Open Brush MCP Server MCP server (moz411/openbrush-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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