Tools · Wallets & toolkits

Minibits Ippon

A Cashu wallet built from the ground up for AI agents — create and fund a short-lived, single-purpose wallet in one HTTP call or CLI command.

What it is

Ippon is a minimalistic Cashu (ecash + Lightning) wallet designed from the ground up for autonomous agents, from the team behind the Minibits mobile wallet. An agent creates a wallet via a single HTTP call or CLI command, funds it over Lightning, and transacts in seconds — no channel management at the agent layer, because the mint handles Lightning and the agent just holds bearer ecash. It runs as a hosted REST API server or a local CLI, and a companion minibits_ippon_mcp wraps the API for MCP clients.

It is the canonical agent-native Cashu wallet: the lightest path to giving an agent a spendable balance.

When to use it

• Spinning up short-lived, single-purpose, low-balance wallets for individual agents or tasks.
• Cashu-based agent payments where you want an HTTP/CLI interface, not a mobile app.
• Wiring ecash payments into an MCP-capable agent via minibits_ippon_mcp.

Dependencies

A Cashu mint to back the wallet (it handles Lightning) and a single HTTP call or CLI command to create and fund it; the agent just holds bearer ecash, no channel management. Add minibits_ippon_mcp for MCP clients. Alpha and custodial — keep wallets disposable and small.

Quick start

There is a live public instance, and the README leads with it: ippon.minibits.cash — Swagger UI at /v1/, the OpenAPI 3.0 spec at /v1/json, service info at /v1/info, and an MCP server at /mcp (POST). It is also reachable as a Tor hidden service at eaqmg2oqhay5btz5v75bgknfb3x4q4vesfijjzvgkbgocn5fvhkntwad.onion. All four HTTP routes verified live 2026-08-07.

⚠ That instance is for evaluation, not for money you mind losing. Minibits labels it plainly: “provided for research, development and testing and evaluation purposes only. It is an alpha software, use it at your own risk, with small amounts only.” For anything beyond a trial, run your own — the server is the same code either way.

Otherwise: run the Ippon API server yourself and create a wallet with a single HTTP call or the CLI, per the repo README at github.com/minibits-cash/minibits_ippon; add minibits_ippon_mcp to expose it to MCP clients, or run Ippon in CLI mode (INTERACTION_MODE=cli) for an agent that would rather spawn a local process than call a host. The Minibits mobile wallet (Android) is a separate, human-facing product.

Gotchas

• Ippon is alpha and fully custodial — the project’s own guidance is “use at your own risk, small amounts only.” Treat wallets as disposable and single-purpose.
• Security is intentionally minimal (simple access keys, no token refresh); the real safeguards are rate limits, max-balance caps, and per-transaction thresholds.
• Standard Cashu custodial-mint trust applies — the backing mint can fail or rug. See Cashu.