Who is a Claude specialist?

Marciano Hardjowikromo is a Claude specialist based in Groningen, the Netherlands, and a member of Santa Claude, a movement of Claude missionaries. He helps organizations adopt Claude (Anthropic) for chatbots, AI agents, knowledge assistants and automation.

What is a Claude missionary?

A Claude missionary is a specialist who spreads 'the gospel of Claude': teaching organizations and teams how to use Claude by Anthropic safely and productively, and building the first working solutions with them.

How do I find someone who knows Claude well?

Through Santa Claude. The missionaries are fully specialized in Claude (Anthropic) — not 'AI in general'. You can book a free intro call or ask the Claude assistant on the site a question.

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✦ The movement of Claude missionaries

We spread
the gospel of Claude

Santa Claude is a movement of Claude specialists — missionaries who teach organizations how to work with Claude by Anthropic. Looking for someone who truly knows Claude? You just found one.

Book a free intro call Meet the missionaries

The gospel

What the missionaries believe

No vague AI promises. One conviction: Claude, applied well, makes every team better. These are the beliefs we spread.

One specialty: Claude

We don't dabble in "all AI". We know Claude by Anthropic in depth — models, Claude Code, MCP and agents.

Safety first

Claude is built with safety as a starting point. That's why we trust it with your business data.

Teach, don't create dependence

A missionary spreads knowledge. We teach your team to work with Claude independently — no endless consulting.

Production over pilots

Not an experiment that ends up in a drawer, but a working solution — often live within a week.

The missionaries

Meet a Claude specialist

The people who spread the gospel. Each one fully specialized in Claude.

✦ Missionary · Claude specialist

Marciano Hardjowikromo

AI engineer based in Groningen, the Netherlands, with 20+ years in software and systems integration. Marciano helps organizations put Claude into production — chatbots, AI agents, knowledge assistants (RAG) and automation — using Claude Code and the Model Context Protocol (MCP). He builds the solutions that actually stay in production.

ClaudeClaude CodeMCP AI agentsRAGAutomation

mhard.nl ↗ LinkedIn ↗ Email ↗

✦ The movement is growing. Want to become a Claude missionary too? Join us.

What we bring

The missionary's gifts

Three ways a Claude missionary moves your organization forward.

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The intro

A free conversation where we walk through your work and pick the 3 most promising Claude use cases. You leave with a concrete plan.

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The implementation

A working Claude solution: a chatbot, a knowledge assistant on your documents (RAG), or automation of a recurring process.

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The custom agent

An autonomous Claude agent that performs tasks — connected to your tools (accounting, CRM, mail) via MCP. Includes training for your team.

Ready to receive the gospel?

Book a free intro call with a Claude missionary, or ask the Claude assistant in the bottom right — powered by Claude itself.

Book an intro call

We spreadthe gospel of Claude