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Research subagent exceeded the context window and silently failed #5970

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@tylerlaprade

Description

The main agent delegated research to a subagent and couldn't figure out why it wasn't getting a response. I checked manually and found that the subagent had hit the limit.

OpenCode version

Whatever the latest was on last Friday

Steps to reproduce

  1. Ask it to research something open-ended, like finding all VSCode extensions that allow you to customize your terminal theme

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macOS

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VSCode

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  1. github-actions commented on Dec 22, 2025

    @github-actions
    Contributor

    This issue might be a duplicate of existing issues. Please check:

    Feel free to ignore if none of these address your specific case.

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