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tiero

Bitcoin MCP

by tiero

Bitcoin MCP

Bitcoin MCP Demo

A Model Context Protocol (MCP) server that provides Bitcoin tools for AI applications like Claude Desktop and Cursor, allowing them to interact with the Bitcoin Network and manage wallet operations.

Overview

The Bitcoin MCP server extends any MCP client's capabilities by providing tools to do anything with Bitcoin:

  • Create and restore Bitcoin and Ark wallets

  • Send Bitcoin and Ark transactions

  • Retrieve Bitcoin and Ark wallet balances

  • Real-time Bitcoin price conversion

  • Cache-optimized price fetching via blockchain.info

  • Strongly typed wallet operations

  • Comprehensive error handling and fallbacks

  • Schema validation with Zod

  • Integration with @arklabs/wallet-sdk

Related MCP server: RGB Lightning Network MCP Server

Available Tools

setup_wallet

Create or restore a Bitcoin wallet:

{
  action: "create" | "restore",
  privateKey?: string,
  network?: "bitcoin" | "testnet" | "signet" | "mutinynet",
  arkServerUrl?: string,
  esploraUrl?: string
}

get_wallet_status

Get the current wallet status and initialization state.

get_addresses

Get all wallet addresses.

get_balance

Get wallet balance with optional fiat conversion.

send_bitcoin

Send Bitcoin to an address:

{
  address: string,
  amount: number, // in satoshis
  feeRate?: number // optional fee rate
}

Development

This project uses:

Getting Started

  1. Install dependencies:

pnpm install
  1. Run tests:

pnpm test
  1. Build the project:

pnpm build

License

MIT License

Available Tools

4 tools
get_addressD
ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

D1/5.0
Behavior1/5

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

Tool has no description.

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

Conciseness1/5

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

Tool has no description.

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

Completeness1/5

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

Tool has no description.

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

Parameters1/5

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

Tool has no description.

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

Purpose1/5

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

Tool has no description.

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

Usage Guidelines1/5

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

Tool has no description.

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

get_balanceD
ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

D1/5.0
Behavior1/5

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

Tool has no description.

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

Conciseness1/5

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

Tool has no description.

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

Completeness1/5

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

Tool has no description.

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

Parameters1/5

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

Tool has no description.

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

Purpose1/5

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

Tool has no description.

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

Usage Guidelines1/5

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

Tool has no description.

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

send_bitcoinD
ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

D1/5.0
Behavior1/5

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

Tool has no description.

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

Conciseness1/5

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

Tool has no description.

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

Completeness1/5

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

Tool has no description.

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

Parameters1/5

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

Tool has no description.

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

Purpose1/5

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

Tool has no description.

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

Usage Guidelines1/5

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

Tool has no description.

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

setup_walletD
ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

D1/5.0
Behavior1/5

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

Tool has no description.

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

Conciseness1/5

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

Tool has no description.

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

Completeness1/5

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

Tool has no description.

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

Parameters1/5

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

Tool has no description.

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

Purpose1/5

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

Tool has no description.

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

Usage Guidelines1/5

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

Tool has no description.

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

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. 4 tool updatesv0.0.1
    • First observedget_address
    • First observedget_balance
    • First observedsend_bitcoin
    • First observedsetup_wallet

TDQS

C2.1/5.0
Disambiguation5/5

Each tool targets a distinct operation: wallet setup, balance query, transaction sending, and address retrieval. There is no overlap in their purposes.

Naming Consistency5/5

All tool names follow a consistent verb_noun snake_case pattern: setup_wallet, get_balance, send_bitcoin, get_address. The naming is uniform and predictable.

Tool Count5/5

With four tools, the set is well-scoped for a Bitcoin wallet server. Each tool covers an essential function without redundancy or unnecessary bloat.

Completeness4/5

The core wallet lifecycle is covered: setup, balance check, sending, and address generation. A minor gap is the lack of transaction history or receive mechanisms, but the essential operations are present.

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

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