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MIDL MCP Server

MIDL MCP Server

Official
by midl-ai
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

midl_get_btc_balance

Read-only

Get the Bitcoin L1 balance for a given address or the connected wallet's payment address. Returns both confirmed and unconfirmed balances.

Instructions

Get the Bitcoin L1 balance. If no address provided, returns balance of connected wallet payment address. Returns confirmed and unconfirmed balances.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "midl_get_btc_balance"
  }
}

Input Schema

NameRequiredDescriptionDefault
addressNoBitcoin address. If omitted, uses connected wallet payment address.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, so the operation is safe. Description adds that it returns both confirmed and unconfirmed balances, which is useful behavioral detail beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two concise sentences cover the core purpose, optional behavior, and return details with no repetitive or unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Description covers input (address optional) and output (confirmed/unconfirmed balances). Without output schema, specifying return units (e.g., satoshis) would improve completeness, but it's still adequate for a simple balance tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and already explains the address parameter's behavior. The description does not add new parameter-level information beyond what the schema provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description uses specific verb 'Get' and resource 'Bitcoin L1 balance', clearly distinguishing from siblings like midl_bridge_btc_to_evm or midl_get_utxos. It also explains behavior for both provided and omitted address.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Clearly states when to omit the address parameter (to use connected wallet), providing usage context. No explicit 'when not to use' or alternatives, but the purpose is unambiguous.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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