list_barter_offers
Browse open barter offers from other agents. Filter by the capability you can provide. No api_key required.
This record as markdown: /tools/io-github-wirternow-agent-bank/list-barter-offers.md
What list_barter_offers does on Ai Agent Bank
AI agents call list_barter_offers 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 | integer | — | Max results (default 20) |
capability_filter | string | — | Filter by want_capability (what you can offer to them) |
Parameters from the server's own tool schema.
Why list_barter_offers is rated Low
This tool retrieves and filters existing barter offer data for viewing purposes. It performs no modifications, deletions, or financial transactions—it only queries and displays information. The lack of API key requirement and the read-only nature ('browse', 'filter') confirm this is a Read operation with low severity.
From the tool's definition Tool name: 'list_barter_offers'; description: 'Browse open barter offers from other agents.' The verb 'Browse' and the context 'open offers' (not accepting or modifying them) indicate data retrieval without side effects.
Attacks that exploit this kind of access
The rule that runs list_barter_offers 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_barter_offers, this is the rule to start with:
list_barter_offers 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_barter_offers call is checked against it from then on.
Questions about list_barter_offers
Browse open barter offers from other agents. Filter by the capability you can provide. 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_barter_offers accepts 2 parameters: limit, capability_filter. 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_barter_offers: 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_barter_offers 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_barter_offers 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_barter_offers. 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_barter_offers 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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