kmjones1979

Alien SSO Integration Issue Report

Date: January 8, 2026
Project: Spritz Chat
Issue: tokenInfo.sub returns different value on each login

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SDK Version

kmjones1979

Morpho Blue + MetaMorpho Subgraph Query Guide

Complete guide to querying Morpho vault data: liquidity, APY, rewards, fees, and market allocations.

📋 Quick Reference

Subgraph Endpoint:

https://gateway.thegraph.com/api/subgraphs/id/8Lz789DP5VKLXumTMTgygjU2xtuzx8AhbaacgN5PYCAs

kmjones1979

Ampersend TypeScript SDK Tutorial

Workshop Duration: 10 minutes

This tutorial walks through the Ampersend TypeScript SDK for integrating x402 payment capabilities into MCP (Model Context Protocol) applications. The x402 protocol extends HTTP with a standard way for servers to request payment before providing resources, using the 402 "Payment Required" status code. By the end of this tutorial, you'll understand how to build MCP clients that can pay for tools, MCP servers that charge for tools, and proxy servers that add payments to existing MCP infrastructure.

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Table of Contents

kmjones1979

Ampersend Python SDK Tutorial

Workshop Duration: 10 minutes

This tutorial walks through the Ampersend Python SDK for integrating x402 payment capabilities into A2A (Agent-to-Agent) applications. The x402 protocol extends HTTP with a standard way for servers to request payment before providing resources, using the 402 "Payment Required" status code. By the end of this tutorial, you'll understand how to build both buyer (client) and seller (server) agents that can exchange micropayments for AI services.

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Table of Contents

kmjones1979

import * as dotenv from "dotenv";
dotenv.config();
import { ethers, Wallet } from "ethers";
import { config } from "hardhat";
import password from "@inquirer/password";
import { input, confirm, select } from "@inquirer/prompts";

interface AccountInfo {
  address: string;
  wallet: Wallet;

kmjones1979

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
import "./MentorNFT.sol";

kmjones1979

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

// --- Custom Errors ---
error MentorNFT_ZeroAddressOwner();

kmjones1979

🚀 Stablecoin Challenge - Complete Developer Tutorial 💰

Welcome to the most exciting DeFi adventure! 🎉 Get ready to dive into the world of stablecoins, yield farming, and automated market making!

• Challenge on Github

• Challenge on SpeedRunEthereum

kmjones1979

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

// --- Custom Errors ---

kmjones1979

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
import "./MentorNFT.sol";