wallet_listOutputs

Lists spendable outputs in a basket, optionally filtered by tags.

SERVERBitcoin SV MCP Server SOURCEb-open-io/bsv-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/b-open-io-bsv-mcp/wallet-listoutputs.md

WHAT IT DOES

What wallet_listOutputs does on Bitcoin SV MCP Server

AI agents call wallet_listOutputs to retrieve information from Bitcoin SV MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why wallet_listOutputs is rated Low

This tool retrieves and lists blockchain outputs (UTXOs) from a wallet, which is a read-only operation. It does not spend, transfer, or modify any funds—it only queries the state of available outputs. While it reveals financial information (spendable funds), it causes no side effects and does not commit any financial transactions.

From the tool's definition Tool name 'wallet_listOutputs' and description 'Lists spendable outputs in a basket, optionally filtered by tags' indicates a query/retrieval operation with no modification or spending of funds.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs wallet_listOutputs safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Bitcoin SV MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For wallet_listOutputs, this is the rule to start with:

wallet_listOutputs Allowed

wallet_listOutputs is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "wallet_listOutputs": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Bitcoin SV MCP Server, apply this rule, and every wallet_listOutputs call is checked against it from then on.

FAQ

Questions about wallet_listOutputs

What does the wallet_listOutputs tool do? +

Lists spendable outputs in a basket, optionally filtered by tags. It is categorised as a Read tool in the Bitcoin SV MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on wallet_listOutputs? +

Register the Bitcoin SV MCP Server MCP server in PolicyLayer and add a rule for wallet_listOutputs: 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 Bitcoin SV MCP Server. Nothing to install.

What risk level is wallet_listOutputs? +

wallet_listOutputs is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit wallet_listOutputs? +

Yes. Add a rate_limit block to the wallet_listOutputs 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.

How do I block wallet_listOutputs completely? +

Set action: deny in the PolicyLayer policy for wallet_listOutputs. 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.

What MCP server provides wallet_listOutputs? +

wallet_listOutputs is provided by the Bitcoin SV MCP Server MCP server (b-open-io/bsv-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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