# Agentic Payments

> Agentic and machine-to-machine payments on Stellar. Covers x402 (HTTP 402 paid APIs) and MPP (Machine Payments Protocol) Charge/Channel modes.

- **Type:** Skill
- **Install:** `agentstack add skill-rylsherdamz-rgb-stellar-forge-agentic-payments`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [rylsherdamz-rgb](https://agentstack.voostack.com/s/rylsherdamz-rgb)
- **Installs:** 0
- **Category:** [Finance & Payments](https://agentstack.voostack.com/c/finance-and-payments)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [rylsherdamz-rgb](https://github.com/rylsherdamz-rgb)
- **Source:** https://github.com/rylsherdamz-rgb/stellar-forge/tree/master/skills/agentic-payments
- **Website:** https://www.npmjs.com/package/create-stellar-agentic

## Install

```sh
agentstack add skill-rylsherdamz-rgb-stellar-forge-agentic-payments
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Agentic Payments (x402 + MPP)

## Source Files (published with this skill)

| File | Contents |
|------|----------|
| `templates/src/middleware/x402.ts` | Express middleware — checks x402 payment header, verifies OZ channel, rejects unpaid requests with 402 |

## x402 Middleware

See `templates/src/middleware/x402.ts` for the full implementation. Import and apply:

```ts
import { x402Middleware } from "./middleware/x402";

app.use("/api/paid", x402Middleware({ channelId: process.env.OZ_CHANNEL_ID! }));
```

## Payment Setup

- USDC (SEP-41 SAC) on `stellar:testnet` / `stellar:pubnet`
- OZ Channels facilitator for x402
- MPP Charge mode: per-request SAC
- MPP Channel mode: off-chain commits for high-frequency traffic

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [rylsherdamz-rgb](https://github.com/rylsherdamz-rgb)
- **Source:** [rylsherdamz-rgb/stellar-forge](https://github.com/rylsherdamz-rgb/stellar-forge)
- **License:** MIT
- **Homepage:** https://www.npmjs.com/package/create-stellar-agentic

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** yes
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-rylsherdamz-rgb-stellar-forge-agentic-payments
- Seller: https://agentstack.voostack.com/s/rylsherdamz-rgb
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.