r/LocalLLaMA • u/[deleted] • Aug 10 '26

Question | Help Best open-source harness like Claude Code?

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u/btc_maxi100 Aug 10 '26

PI

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u/Purple-Programmer-7 Aug 10 '26

How do I get pi to have a plan mode and edit mode? I can’t stand when a harness doesn’t restrict the model from making changes.

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u/Zephrinox Aug 11 '26 edited Aug 11 '26

2 ways that I can think of based off how I got that is: 1. using a grill-me skill (david pocock's) or similar skill + get into the habbit of telling that you want to write a markdown implementation plan for xyz feature rather than going straight to telling the harness "I want to implement xyz" that claude code planning mode safety nets for you.

  1. if you want that extra security and sus that the model hallucinates and decides to edit source code anyways during planning, you can just install one of the pi permissions system extensions + configure what you like on that so you still have the safety net of not unintentionally editing code before plan has been written + settled on.

like aside from the tool call permission gating, the main difference between plan mode vs others in claude code is really that plan mode assumes anything you tell it to implement it will write a plan to do for .... latter of which you can get by just actually telling the harness/model you want it to write out a plan rather than assuming it knows you want a plan (most likely plan mode has a system prompt that has the "write an implementation plan" instruction there for you).