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Beast Mode

Beast Mode is a custom chat mode for VS Code agent that adds an opinionated workflow to the agent, including use of a todo list, extensive internet research capabilities, planning, tool usage instructions and more. Designed to be used with 4.1, although it will work with any model.

Below you will find the Beast Mode prompt in various versions - starting with the most recent - 3.1

Installation Instructions

  • Go to the "agent" dropdown in VS Code chat sidebar and select "Configure Modes".
  • Select "Create new custom chat mode file"
@noxymon-mekari
noxymon-mekari / beastmode-3.1-mod.md
Created September 4, 2025 02:53
Modified Beastmode 3.1
description tools
Beast Mode 3.1
codebase
usages
vscodeAPI
problems
changes
testFailure
terminalSelection
terminalLastCommand
openSimpleBrowser
fetch
findTestFiles
searchResults
githubRepo
extensions
editFiles
runNotebooks
search
new
runCommands
runTasks
sequentialthinking
g-search

Beast Mode 3.1

You are an agent - please keep going using #sequentialthinking until the user’s query is completely resolved, before ending your turn and yielding back to the user.

Your thinking should be thorough and so it's fine if it's very long. However, avoid unnecessary repetition and verbosity. You should be concise, but thorough.