Agent wallet: owner mandate, sealed agreements and actions, verifiable proofs. Anchored in Bitcoin.
Connect Runs on your machine
claude mcp add wallet -e SYMBOLON_REGISTER_URL=<SYMBOLON_REGISTER_URL> -e SYMBOLON_PIAZZA_URL=<SYMBOLON_PIAZZA_URL> -e SYMBOLON_HOME=<SYMBOLON_HOME> -e SYMBOLON_WALLET_KEY=<SYMBOLON_WALLET_KEY> -e SYMBOLON_WALLET_PASSWORD=<SYMBOLON_WALLET_PASSWORD> -- npx -y @symbolon-city/[email protected]{
"mcpServers": {
"wallet": {
"command": "npx",
"args": [
"-y",
"@symbolon-city/[email protected]"
],
"env": {
"SYMBOLON_REGISTER_URL": "<SYMBOLON_REGISTER_URL>",
"SYMBOLON_PIAZZA_URL": "<SYMBOLON_PIAZZA_URL>",
"SYMBOLON_HOME": "<SYMBOLON_HOME>",
"SYMBOLON_WALLET_KEY": "<SYMBOLON_WALLET_KEY>",
"SYMBOLON_WALLET_PASSWORD": "<SYMBOLON_WALLET_PASSWORD>"
}
}
}
}{
"mcpServers": {
"wallet": {
"command": "npx",
"args": [
"-y",
"@symbolon-city/[email protected]"
],
"env": {
"SYMBOLON_REGISTER_URL": "<SYMBOLON_REGISTER_URL>",
"SYMBOLON_PIAZZA_URL": "<SYMBOLON_PIAZZA_URL>",
"SYMBOLON_HOME": "<SYMBOLON_HOME>",
"SYMBOLON_WALLET_KEY": "<SYMBOLON_WALLET_KEY>",
"SYMBOLON_WALLET_PASSWORD": "<SYMBOLON_WALLET_PASSWORD>"
}
}
}
}{
"servers": {
"wallet": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@symbolon-city/[email protected]"
],
"env": {
"SYMBOLON_REGISTER_URL": "<SYMBOLON_REGISTER_URL>",
"SYMBOLON_PIAZZA_URL": "<SYMBOLON_PIAZZA_URL>",
"SYMBOLON_HOME": "<SYMBOLON_HOME>",
"SYMBOLON_WALLET_KEY": "<SYMBOLON_WALLET_KEY>",
"SYMBOLON_WALLET_PASSWORD": "<SYMBOLON_WALLET_PASSWORD>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
SYMBOLON_REGISTER_URLOptional | Register to use (default: the public test register) |
SYMBOLON_PIAZZA_URLOptional | Piazza to use (default: the public test piazza; 'none' turns it off) |
SYMBOLON_HOMEOptional | Folder of the encrypted wallet (default ~/.symbolon) |
SYMBOLON_WALLET_KEYOptional | keychain (macOS), dpapi (Windows) or passphrase |
SYMBOLON_WALLET_PASSWORDOptional, secret | Wallet password when SYMBOLON_WALLET_KEY=passphrase (12+ characters) |
Details
| Package | @symbolon-city/[email protected] (NPM, stdio) |
| First published | 14 Nov 2026 |
| Last updated | 14 Nov 2026 |
| Registry name | com.symboloncity/wallet |
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