DEV Community

Marco Arras profile picture

Marco Arras

I build MCP tools for AI agents. Creator of Agent Toolbelt (1,600+ weekly npm downloads). Teaching developers to build, package, and ship MCP tools at build-mcp-tools.vercel.app.

Writing Debut
Seven Year Club
Six Year Club
Five Year Club
Four Year Club
Three Year Club
Two Year Club
One Year Club
Everyone Can Build Now. So What's Actually Scarce?

Everyone Can Build Now. So What's Actually Scarce?

Comments
4 min read
How I Got 1,600 Weekly npm Downloads with MCP Tools

How I Got 1,600 Weekly npm Downloads with MCP Tools

1
Comments
4 min read
What is MCP? A Developer's Guide with Working Code

What is MCP? A Developer's Guide with Working Code

Comments
4 min read
The Agentic Shift — Why AI Developers Need to Learn MCP Now

The Agentic Shift — Why AI Developers Need to Learn MCP Now

1
Comments
3 min read
I gave Claude real-time stock analysis. Here's how it works.

I gave Claude real-time stock analysis. Here's how it works.

Comments
4 min read
Three API Calls That Make Your LLM Workflow Dramatically Better

Three API Calls That Make Your LLM Workflow Dramatically Better

Comments
5 min read
I Stopped Writing JSON Schemas and Regex by Hand. Here's What I Do Instead.

I Stopped Writing JSON Schemas and Regex by Hand. Here's What I Do Instead.

2
Comments
5 min read
5 API Tools That Save AI Developers Hours of Boilerplate

5 API Tools That Save AI Developers Hours of Boilerplate

Comments
5 min read
loading...