MCP server for Lightning Tools — pay-per-call AI tools via Bitcoin Lightning
Connect Runs on your machine
claude mcp add mcp-server -e LIGHTNING_TOOLS_API_KEY=<LIGHTNING_TOOLS_API_KEY> -- npx -y @lightning-tools/[email protected]
{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@lightning-tools/[email protected]"
],
"env": {
"LIGHTNING_TOOLS_API_KEY": "<LIGHTNING_TOOLS_API_KEY>"
}
}
}
}
{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@lightning-tools/[email protected]"
],
"env": {
"LIGHTNING_TOOLS_API_KEY": "<LIGHTNING_TOOLS_API_KEY>"
}
}
}
}
{
"servers": {
"mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@lightning-tools/[email protected]"
],
"env": {
"LIGHTNING_TOOLS_API_KEY": "<LIGHTNING_TOOLS_API_KEY>"
}
}
}
}
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 |
|---|---|
LIGHTNING_TOOLS_API_KEYOptional, secret | Your Lightning Tools API key (starts with sk_). Optional — you can purchase one via the buy_credits tool. |
Details
| Package | @lightning-tools/[email protected] (NPM, stdio) |
| First published | 16 Mar 2026 |
| Last updated | 16 Mar 2026 |
| Registry name | io.github.donovanh/mcp-server |
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