Bitcoin wallet MCP server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| BTC_DRY_RUN | No | If true, send/sign tools do not broadcast by default. | true |
| BTC_NETWORK | No | Network: mainnet or testnet. | testnet |
| BTC_FEE_TIER | No | mempool.space tier: hourFee, halfHourFee, fastestFee. Used when no fixed rate is set. | |
| BTC_MNEMONIC | No | BIP-39 mnemonic (12 or 24 words). | |
| BTC_PRIVATE_KEY | No | WIF private key for the wallet. | |
| BTC_MAX_FEE_SATS | No | Maximum fee in satoshis per transaction. | |
| BTC_MAX_SEND_BTC | No | Maximum BTC per transfer (decimal string or number). | |
| BTC_MNEMONIC_PASSPHRASE | No | Optional BIP-39 passphrase when using BTC_MNEMONIC. | |
| BTC_FEE_RATE_SAT_PER_BYTE | No | Fixed fee rate (sat/vB). If set, overrides tier. |
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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