Matthew Karsten

@expertvagabond

Founder, Purple Squirrel Media | AI agents + crypto | MCP servers, Solana, Rust

Purple Squirrel Media Miami, FL expertvagabond.github.io/@expertvagabond On GitHub since June 2025

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Published Tools

Total Stars

342

Weekly Downloads

GitHub Followers

Public Repos

99/100

Avg Security

Published Tools

26 MCP Serversacross 5 categories

[Server Submission]: ordinals-mcp — Bitcoin Ordinals MCP Server

ExpertVagabond

https://github.com/ExpertVagabond/ordinals-mcp

MCP Serveruncategorised

22 dirs

ordinals-mcp

purplesquirrel

Bitcoin Ordinals MCP Server — inscriptions, runes, BRC-20, collections, marketplace data

MCP Serveruncategorised

1172/wk2 dirs

io.github.ExpertVagabond/raycast

Raycast workflow automation MCP server with 9 tools

MCP Serveruncategorised

11 dir

io.github.ExpertVagabond/solana

Solana MCP server for wallet, transactions & programs

MCP Serveruncategorised

3 dirs

io.github.ExpertVagabond/solmail

Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide

MCP Serveruncategorised

3 dirs

ibmcloud-mcp-server

purplesquirrel

MCP server for IBM Cloud CLI

MCP ServerAI Tool

56/wk2 dirs

raycast-mcp-server

purplesquirrel

Model Context Protocol server for Raycast workflow automation

MCP ServerAI Automation

2/wk2 dirs

watsonx-mcp-server

purplesquirrel

MCP server for IBM watsonx.ai integration with Claude

MCP Serveruncategorised

55/wk2 dirs

guardrails-mcp-server

purplesquirrel

AI Agent Guardrails MCP Server - Security layer for Claude Code and AI agents

MCP ServerLLM Tool

1 dir

ibmz-mcp-server

purplesquirrel

MCP server for IBM Z mainframe integration - Key Protect HSM and z/OS Connect

MCP ServerLLM Tool

1 dir

mega-mcp-server

purplesquirrel

MCP server for MEGA cloud storage CLI

MCP Serveruncategorised

57/wk1 dir

oracle-cloud-mcp

purplesquirrel

Oracle Cloud Infrastructure MCP Server for Claude Code

MCP ServerLLM Tool

1 dir

solmail-mcp

mkarsten

MCP server for sending physical mail with Solana cryptocurrency - AI agents can send real letters autonomously

MCP ServerLLM Tool

1 dir

universal-blockchain-mcp

purplesquirrel

Universal Blockchain MCP server for cross-chain development with ZetaChain, Foundry, and multi-chain support. Supports both remote (demo) and local (full functionality) deployment.

...more

MCP ServerAI Tool

1 dir

volcengine-mcp

purplesquirrel

MCP server for ByteDance Volcano Engine (Doubao) integration with Claude Code

MCP ServerLLM Tool

1 dir

io.github.ExpertVagabond/guardrails

AI Agent Guardrails MCP server - security layer

MCP Serveruncategorised

1 dir

io.github.ExpertVagabond/ibmcloud

IBM Cloud CLI MCP server

MCP Serveruncategorised

1 dir

io.github.ExpertVagabond/ibmz

IBM Z mainframe MCP server - Key Protect HSM & z/OS

MCP Serveruncategorised

1 dir

io.github.ExpertVagabond/mega

MEGA cloud storage CLI MCP server

MCP Serveruncategorised

1 dir

io.github.ExpertVagabond/oracle-cloud

Oracle Cloud Infrastructure MCP server

MCP Serveruncategorised

1 dir

io.github.ExpertVagabond/photo-organizer

AI-powered organization for Google Photos and Drive - auto-organize, find duplicates, create albums

MCP Serveruncategorised

1 dir

io.github.ExpertVagabond/universal-blockchain

ZetaChain universal blockchain MCP server

MCP Serveruncategorised

1 dir

io.github.ExpertVagabond/volcengine

ByteDance Volcano Engine (Doubao) MCP server

MCP Serveruncategorised

1 dir

io.github.ExpertVagabond/watsonx

IBM watsonx.ai MCP server for Claude integration

MCP Serveruncategorised

1 dir

zetachain-langchain-tools

expertvagabond

LangChain tools for ZetaChain CLI MCP server

MCP ServerLLM Framework

1 dir

zetachain-discord-bot

expertvagabond

Discord bot for ZetaChain CLI MCP server

MCP ServerAI Tool

1 dir