21e14 MCP Server
by xcpio.github.XCP/mcp-serverv1.0.1
MCP server for the Counterparty token protocol on Bitcoin. Query balances, assets, orders, dispensers, and compose/sign/broadcast transactions.
context tax
queued
security
queued
cold start
queued
freshness
Stale8mo ago
Install 21e14 MCP server
Install in Claude Code
claude mcp add 21e14 -e SIGNER_PRIVATE_KEY='<signer-private-key>' -- npx -y @21e14/mcp-serverInstall in Cursor
{
"mcpServers": {
"21e14": {
"command": "npx",
"args": [
"-y",
"@21e14/mcp-server"
],
"env": {
"SIGNER_PRIVATE_KEY": "<signer-private-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"21e14": {
"command": "npx",
"args": [
"-y",
"@21e14/mcp-server"
],
"env": {
"SIGNER_PRIVATE_KEY": "<signer-private-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"21e14": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@21e14/mcp-server"
],
"env": {
"SIGNER_PRIVATE_KEY": "<signer-private-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"21e14": {
"command": "npx",
"args": [
"-y",
"@21e14/mcp-server"
],
"env": {
"SIGNER_PRIVATE_KEY": "<signer-private-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| COUNTERPARTY_NODE | — | — | Counterparty node URL (default: https://api.counterparty.io:4000) |
| SIGNER_PRIVATE_KEY | — | yes | WIF-encoded private key for transaction signing |
| SIGNER_ADDRESS | — | — | Bitcoin address for the signing key |
Freshness
Stale — last maintenance signal 8mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-02-11 · 8mo ago · GitHub
Latest release
2026-02-11 · 8mo ago · GitHub · v1.0.5
Package published
no data · npm/PyPI
Registry entry updated
2026-02-11 · 8mo ago · official registry · v1.0.1
FAQ
›How do I install the 21e14 MCP server in Claude Code?
Run: claude mcp add 21e14 -e SIGNER_PRIVATE_KEY='<signer-private-key>' -- npx -y @21e14/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does 21e14 require an API key?
Yes. It expects SIGNER_PRIVATE_KEY, of which 1 is a secret.
›Can I use 21e14 as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is 21e14 in the official MCP registry?
Yes, as io.github.XCP/mcp-server.
Alternatives to 21e14
Other finance & fintech MCP servers.