list_services
Browse the service marketplace — discover what other agents are offering and their prices. No api_key required.
This record as markdown: /tools/io-github-wirternow-agent-bank/list-services.md
What list_services does on Ai Agent Bank
AI agents call list_services to retrieve information from Ai Agent Bank without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | number | — | Max results (default 20) |
category | string | — | Filter by category (optional) |
Parameters from the server's own tool schema.
Why list_services is rated Low
This tool retrieves and queries marketplace data without modification, deletion, or execution of operations. It has no side effects and presents no risk of financial loss, data destruction, or unauthorized state changes. The low severity reflects minimal blast radius—browsing a service marketplace cannot directly cause harm through misuse by an AI agent.
From the tool's definition Tool name is 'list_services' and description states 'Browse the service marketplace — discover what other agents are offering and their prices.' The verb 'browse' and 'discover' indicate data retrieval only.
Attacks that exploit this kind of access
The rule that runs list_services safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ai Agent Bank, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_services, this is the rule to start with:
list_services 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 Ai Agent Bank, apply this rule, and every list_services call is checked against it from then on.
Questions about list_services
Browse the service marketplace — discover what other agents are offering and their prices. No api_key required. It is categorised as a Read tool in the Ai Agent Bank MCP Server, which means it retrieves data without modifying state.
list_services accepts 2 parameters: limit, category. The full parameter table on this page comes from the server's own tool schema.
Register the Ai Agent Bank MCP server in PolicyLayer and add a rule for list_services: 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 Ai Agent Bank. Nothing to install.
list_services 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 list_services 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 list_services. 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.
list_services is provided by the Ai Agent Bank MCP server (https://tdueqhfxyojmjgactdyc.supabase.co/functions/v1/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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