Lightningfaucet MCP Server - install & status [2026]

01 · Install Lightningfaucet MCP Server

before you install - you'll need

Set LIGHTNING_WALLET_API_KEY, PRE_PAYMENT_HOOK_URL, AGENT_ID, AGENT_KEY before connecting.

Claude Code

claude mcp add lightningfaucet-mcp-server -- npx -y lightning-faucet-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "lightningfaucet-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "lightning-faucet-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package lightning-faucet-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.lightningfaucet is GitHub-verified and matches the repo owner

03 · What Lightningfaucet MCP Server can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can get service status, version, and supported features, get current context - shows if operating as operator or agent, check current Lightning balance in satoshis, and check current rate limit status and request remaining.

Capability map

Tools grouped from the project's README - what Lightningfaucet MCP Server lets an agent do.

Agent

8 tools - e.g. Create agent under operator; Transfer sats from operator to agent; Transfer sats between agents or from operator to agent

create_agent · fund_agent · transfer_to_agent · sweep_agent · deactivate_agent · reactivate_agent…

read & search

5 tools - e.g. Get service status, version, and supported features; Check current rate limit status and requests remaining; View transaction history

get_info · get_rate_limits · get_transactions · list_agents · list_webhooks

Invoice

5 tools - e.g. Decode a BOLT11 invoice to see amount, destination, and expiry; Generate invoice to receive payments; Check if an invoice has been paid

decode_invoice · create_invoice · get_invoice_status · get_deposit_invoice · invoice_paid

Pay

3 tools - e.g. Access paid APIs (L402/X402) - auto-detects protocol and pays; Pay any BOLT11 Lightning invoice; Pay to a Lightning address ([email protected] format)

pay_l402_api · pay_invoice · pay_lightning_address

Claim

2 tools - e.g. Claim funds from an LNURL-withdraw link; claim the free-sats install promo (verified email + 3h account)

claim_lnurl_withdraw · claim_promo

Register

2 tools - e.g. Create new operator account; Register a URL to receive event notifications

register_operator · register_webhook

Operator

2 tools - e.g. Switch to operator credentials; set operator email (sends verification link) and/or name

set_operator_key · update_operator

Budget

2 tools - e.g. Get agent's budget limit and spending; Set or update agent's spending limit

get_budget_status · set_budget

Latest releases

v1.2.9 · 2026-03-23

Lightning Wallet MCP v1.2.9 · Lightning wallet for AI agents. MCP server + CLI for Bitcoin Lightning payments. · 37 MCP tools for wallet management, Lightning payments, and L402 API access · L402 + X402 paid API…

v1.2.3 · 2026-02-26

Lightning wallet MCP server for AI agents. Includes L402 payments, X402 USDC fallback, agent management, board interactions, and CLI.

04 · Who maintains Lightningfaucet MCP Server

mcp-server is maintained by lightningfaucet. We track 2 MCP servers from lightningfaucet - 2 actively maintained, 18 combined GitHub stars, oldest repo from Jan 2026. Full record: all servers from lightningfaucet.

Lightning Wallet Give AI agents a Bitcoin wallet with Lightning Network payments and L402 support. ★ 9

05 · Facts

repository: github.com/lightningfaucet/mcp-server
category: finance - ranked #140 of 283 actively-maintained finance servers as of 2026-08-25.
registry: io.github.lightningfaucet/mcp-server (active, first published 2026-01-16)
packages: npm:lightning-faucet-mcp

06 · Lightningfaucet MCP Server FAQ

Is Lightningfaucet MCP Server still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-02. We re-verify nightly.

What can Lightningfaucet MCP Server do?

With this server connected, an agent can get service status, version, and supported features, get current context - shows if operating as operator or agent, check current Lightning balance in satoshis, and check current rate limit status and request remaining.

How do I install Lightningfaucet MCP Server?

Run `npx -y lightning-faucet-mcp`. The README documents 4 environment variables (LIGHTNING_WALLET_API_KEY, PRE_PAYMENT_HOOK_URL, AGENT_ID…) to set first. Set LIGHTNING_WALLET_API_KEY, PRE_PAYMENT_HOOK_URL, AGENT_ID, AGENT_KEY before connecting. You can also paste the ready-made client config above.

Does Lightningfaucet MCP Server run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Lightningfaucet MCP Server

Alternatives to Lightningfaucet MCP Server

Maintained finance servers if Lightningfaucet MCP Server isn't the fit.

Pairs well with

Servers that cover what Lightningfaucet MCP Server doesn't - only shown when the pairing reason fits the companion.

More finance MCP servers · Drillr - The financial MCP for AI agents · ATEX AI Gateway · Twitr Sh · Longbridge MCP Server · Open Invest

More JavaScript MCP servers · Lindo AI · Miner U · Outlook Assistant · Local Dfw MCP · Logly · see all