I've seen a couple of power users already switching to Pi [1], and I'm considering that too. The premise is very appealing:

- Minimal, configurable context - including system prompts [2]

- Minimal and extensible tools; for example, todo tasks extension [3]

- No built-in MCP support; extensions exist [4]. I'd rather use mcporter [5]

Full control over context is a high-leverage capability. If you're aware of the many limitations of context on performance (in-context retrieval limits [6], context rot [7], contextual drift [8], etc.), you'd truly appreciate Pi lets you fine-tune the WHOLE context for optimal performance.

It's clearly not for everyone, but I can see how powerful it can be.

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[1] https://lucumr.pocoo.org/2026/1/31/pi/

[2] https://github.com/badlogic/pi-mono/tree/main/packages/codin...

[3] https://github.com/mitsuhiko/agent-stuff/blob/main/pi-extens...

[4] https://github.com/nicobailon/pi-mcp-adapter

[5] https://github.com/steipete/mcporter

[6] https://github.com/gkamradt/LLMTest_NeedleInAHaystack

[7] https://research.trychroma.com/context-rot

[8] https://arxiv.org/html/2601.20834v1

Pi is the part of moltXYZ that should have gone viral. Armin is way ahead of the curve here.

The Claude sub is the only think keeping me on Claude Code. It's not as janky as it used to be, but the hooks and context management support are still fairly superficial.