Johan Steenkamp

Geospatial + Agentic. Make data explorable, not just displayable. Build systems agents can navigate.

[Johan Steenkamp @johanstn]

Just shared Routebook on r/Rouvy - turns your finished rides into satellite animations. Who's got an epic route to explore? https://t.co/yESZdia5mu #Rouvy #IndoorCycling @gorouvy

[Johan Steenkamp @johanstn]

Building Cycling Training Intelligence in One Week with Claude Code - transform indoor cycling training files into an interactive, cinematic experience.
https://t.co/IZW4tlP1ff

[Johan Steenkamp @johanstn]

Cinematic Rouvy Route Viewer https://t.co/LCf42gJqcK via @YouTube

[Johan Steenkamp @johanstn]

@mattpocockuk How about an AI SDKv6 application that uses Ralph. Starts with the PRD and breaking down tasks, git integration and progress, shows how to close the feedback loop with tests, types. Show how to use HITL/HOTL (ralph-once) and long-running AFK (ralph).

[Johan Steenkamp @johanstn]

Building AI Products That Ship - most AI prototypes fail because they chase capabilities instead of outcomes. Winning teams start with a specific business insight, then ship focused agents that do verifiable work inside existing systems.
https://t.co/eVLSEdzvpT

[Johan Steenkamp @johanstn]

@systemdesignone Playbook

[Neo Kim @systemdesignone]

SYSTEM DESIGN PLAYBOOK:

Giveaway Alert (Valid for 24 hours only)!

• System design foundations.
• Condensed notes to read for system design interviews.
• Must know concepts from real-world software engineering case studies.

To get it:

1 Follow @systemdesignone [MUST]
2 Like & Retweet to get DM
3 Reply "Playbook"

[Johan Steenkamp @johanstn]

Nice. Structured outputs constrain Claude’s responses to follow a specific schema, ensuring valid, parseable output for downstream processing. https://t.co/fuYHWm4G23

[Johan Steenkamp @johanstn]

AI makes writing effortless, flooding systems with polished text and eroding real signals.

We haven’t redesigned the machine that matters: the system matching the right people to the right work.

Excellent article by @JohnStoneBlog

https://t.co/l5ZDhK9xkx

[Johan Steenkamp @johanstn]

@calcsam BOOK

[Johan Steenkamp @johanstn]

Building AI Products That Ship: From Insight to Production in Weeks
https://t.co/eVLSEdA3fr

[Johan Steenkamp @johanstn]

Why Your AI Chatbot Failed: Building Bespoke AI Applications That Actually Solve Problems

Company spins up an AI pilot. Impressive demo in week one. Promising initial feedback. Then... crickets.

https://t.co/UibDJirQyT

[Johan Steenkamp @johanstn]

Nice example of @claudeai skills and how they differ from slash commands and agents by Neon DB https://t.co/PRa2tOtO4w

[Johan Steenkamp @johanstn]

@mattpocockuk I use it all the time - also your other gem “List any unresolved questions at the end, if any.” Thanks

[Johan Steenkamp @johanstn]

@mattpocockuk “Chesterton’s Fence: Do not remove a fence (or gate) until you know why it was put up in the first place.” - Understand the reasons or context behind existing rules, systems, or objects before seeking to remove or replace them, so as to avoid unintended consequences

[Johan Steenkamp @johanstn]

TypeScript libraries and frameworks for building MCP clients , including the official SDK, Vercel AI SDK, Nanobot, Mastra, LangChain.js adapters, and specialized tools for different use cases https://t.co/aDyJRxqYFn

[Johan Steenkamp @johanstn]

MCP Client Feature Support - comparison of Model Context Protocol (MCP) feature support across leading clients including Claude Desktop, Nanobot, Cline, Cursor, Windsurf, and Postman
https://t.co/mv62OaWCdZ

[Johan Steenkamp @johanstn]

New post on building with MCP - tools, resources, authentication, MCP-UI, and why MCP is the future of enterprise AI integration.
https://t.co/esX6uQNUku

[Johan Steenkamp @johanstn]

@smthomas3 @KO @mastra @zeddotdev Works perfectly in Zed. To setup in Zed go to Assistant > Settings > MCP Servers and add command: pnpx, args: @mastra/mcp-docs-server@latest

[Johan Steenkamp @johanstn]

A2A vs MCP vs AG-UI https://t.co/xa2ByWmxOU