jonyx225’s gists

jonyx225 / a2a-client-hello-world.ts

Created October 9, 2025 00:49

Hello World A2A Client

	// client.ts
	import { A2AClient, SendMessageSuccessResponse } from "@a2a-js/sdk/client";
	import { Message, MessageSendParams } from "@a2a-js/sdk";
	import { v4 as uuidv4 } from "uuid";

	async function run() {
	// Create a client pointing to the agent's Agent Card URL.
	const client = await A2AClient.fromCardUrl("http://localhost:4000/.well-known/agent-card.json");

	const sendParams: MessageSendParams = {

jonyx225 / a2a-server-hello-world.ts

Created October 9, 2025 00:49

Hello World A2A Server

	// server.ts
	import express from "express";
	import { v4 as uuidv4 } from "uuid";
	import type { AgentCard, Message } from "@a2a-js/sdk";
	import {
	AgentExecutor,
	RequestContext,
	ExecutionEventBus,
	DefaultRequestHandler,
	InMemoryTaskStore,

jonyx225 / eigen-mcp.ts

Created October 9, 2025 00:32 — forked from dabit3/eigen-mcp.ts

EigenLayer MCP Server Example

	import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
	import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
	import { z } from "zod";
	import 'dotenv/config'

	const server = new McpServer({
	name: "EigenLayer AVS service",
	version: "1.0.0",
	});

jonyx225 / mc_client_eigen_layer.py

Created October 9, 2025 00:29

MCP client

	from modelcontextprotocol.sdk.client.mcp import McpClient
	from modelcontextprotocol.sdk.client.stdio import StdioClientTransport
	import asyncio
	import json

	async def run_mcp_client():
	# Initialize MCP client
	client = McpClient(
	name="AVS Data Fetcher Client",
	version="1.0.0"

jonyx225 / mcp_server_eigen_layer.py

Created October 9, 2025 00:28

MCP server

	from modelcontextprotocol.sdk.server.mcp import McpServer
	from modelcontextprotocol.sdk.server.stdio import StdioServerTransport
	from pydantic import BaseModel, Field
	from typing import Optional
	import requests
	import os
	from dotenv import load_dotenv

	# Load environment variables from .env file
	load_dotenv()

jonyx225 / jdbc_sink_connector.json

Created February 6, 2024 00:31

JDBC Postgres Sink Connector Config

	{
	"name": "newuser",
	"connector.class": "io.debezium.connector.jdbc.JdbcSinkConnector",
	"tasks.max": "1",
	"connection.url": "jdbc:postgresql://${MASTER_DB_HOST}:${MASTER_DB_PORT}/${MASTER_DB_NAME}",
	"connection.username": "${MASTER_DB_USER}",
	"connection.password": "${MASTER_DB_PASSWORD}",
	"insert.mode": "upsert",
	"delete.enabled": "true",
	"primary.key.mode": "record_key",

jonyx225 / debezium_postgres_connector.json

Created February 6, 2024 00:30

Debezium postgres connector config

	{
	"name": "user",
	"connector.class": "io.debezium.connector.postgresql.PostgresConnector",
	"database.hostname": "${MASTER_DB_HOST}",
	"database.port": "${MASTER_DB_PORT}",
	"database.user": "${MASTER_DB_USER}",
	"database.password": "${MASTER_DB_PASSWORD}",
	"database.server.name": "user",
	"database.dbname": "${MASTER_DB_NAME}",
	"tasks.max": "1",

jonyx225 / docker-compose.yml

Created February 6, 2024 00:14

Debezium Postgres Kafka CDC

	version: "3"

	services:
	zookeeper:
	image: confluentinc/cp-zookeeper:latest
	hostname: zookeeper
	container_name: zookeeper
	ports:
	- "2181:2181"
	environment:

jonyx225 / FA2_REVEAL.py

Created April 7, 2023 01:24

SmartPy NFT FA2 Contract with reveal feature

	import smartpy as sp
	FA2 = sp.io.import_script_from_url("https://smartpy.io/templates/fa2_lib.py")

	class MyProject(
	FA2.Admin,
	FA2.BurnNft,
	FA2.ChangeMetadata,
	FA2.WithdrawMutez,
	FA2.MintNft,
	FA2.OnchainviewBalanceOf,

jonyx225 / LazyMint.ts

Created September 14, 2022 03:49

LazyMint using EIP712

	// sign a message for LazyMintVoucher
	const data = {
	receiver: alice.address,
	displayTypes: [
	ethers.utils.hexDataSlice(ethers.utils.formatBytes32String("paint"), 0, 16),
	ethers.utils.hexDataSlice(ethers.utils.formatBytes32String("wheel"), 0, 16),
	ethers.utils.hexDataSlice(ethers.utils.formatBytes32String("engine"), 0, 16),
	],
	traitTypes: [
	ethers.utils.hexDataSlice(ethers.utils.formatBytes32String("paint"), 0, 16),