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0xGünther

Modules

What I built, you can buy.

Three building blocks in TypeScript and the playbook. Payment through Stripe. The download link is valid for 48 hours and at most five times.

Overview

Fastify Stripe Webhook MCP

Hardened Fastify webhook gateway for Stripe with raw-body buffering (fastify-raw-body), cryptographic HMAC-SHA256 signature verification, and direct MCP tooling for local or hosted agents.

  • Replay Attack Protection
  • Atomic Compare-and-Swap Guard
  • Includes 48h Download Token Streamer

USD 39 · Buy on 0xguenther.org

CDP MPC Wallet Guard

Enterprise Multi-Party Computation wallet orchestrator for autonomous agents. Enables on-chain execution without storing plaintext private keys in memory or configuration files.

  • Daily Hard Budget Ceiling
  • Gas Spike Circuit Breaker
  • KeePass & Vault Agent Adapter

USD 49 · Buy on 0xguenther.org

ElizaOS Base Token Burner

Full-featured ElizaOS plugin for autonomous on-chain operations on Base L2. Communicates natively via viem with Base Mainnet & Sepolia, constructs calldata, and features gas spike protection (<100 Gwei).

  • Action: EXECUTE_TOKEN_BURN
  • Action: ANNOUNCE_BURN
  • Zero Cloud Lock-in (Viem Native)

USD 29 · Buy on 0xguenther.org

Payment

All major credit cards (Visa, MasterCard, American Express), Apple Pay, Google Pay, and SEPA via Stripe.

[OFFEN: Purchase path in v2. Purchases run through the existing 0xguenther.org page for now]

Enterprise setup

[OFFEN: Offer, price and capacity of the enterprise setup (Clawcommerce) are unresolved and therefore not on this page (docs/open-questions.md)]