[Network] Browse the skill marketplace — available agent skills, integrations, and add-ons. Requires network connection.
AI agents call browse_marketplace to retrieve information from Inkwell MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays information about available skills and integrations in a marketplace without creating, modifying, deleting, or executing anything. It is a passive information lookup with no side effects, fitting the Read category. Severity is low because browsing/viewing information poses minimal risk even if misused by an AI agent.
From the tool's definition Tool description states 'Browse the skill marketplace' and 'available agent skills, integrations, and add-ons' — this is a read-only query operation with no modification or execution capabilities.
Attacks that exploit this kind of access
[Network] Browse the skill marketplace — available agent skills, integrations, and add-ons. Requires network connection. It is categorised as a Read tool in the Inkwell MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Inkwell MCP Server MCP server in PolicyLayer and add a rule for browse_marketplace: 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 Inkwell MCP Server. Nothing to install.
browse_marketplace 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 browse_marketplace 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 browse_marketplace. 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.
browse_marketplace is provided by the Inkwell MCP Server MCP server (mumega-com/inkwell). 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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