The problem of overly long bash description

Question

I encountered a very strange set of questions in opencode.json

"tools ":{ "bash" : true }

It will prompt: "Error handling response: Request failed, status code 400", and I saw the bash prompt on "toolSpecification". Is it because my model provider doesn't support such long descriptions that these descriptions shouldn't be placed in the userContext? I set bash to false and can make the request

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

prompt is too long #5360: prompt is too long - Similar token/length limit issues
prompt is too long unrecoverable #4845: prompt is too long unrecoverable - Same 400 error pattern with long specifications
[FEATURE]: Inform the model what shell it's running inside of in Bash tool's description #4866: [FEATURE] Inform the model what shell it's running inside of in Bash tool's description - Related to bash tool description length
Tool argument descriptions lost in schema conversion #4357: Tool argument descriptions lost in schema conversion - Related to tool description handling
[BUG] tools[21].function.name': string too long. Expected a string with maximum length 64, but got a string with length 65 instead. #3523: [BUG] tools[21].function.name string too long - Related to tool specification validation errors

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

what context size do u have

what context size do u have

200k

hm what provider are u using? Ig we can prolly condense the prompt potentially but i hadnt heard of this

Same issue here with Gemini 3 Pro via openai-compatible proxy.
Any tool call fails with 400 "Request contains an invalid argument".
Tested with both Sisyphus and Build agents - same result.

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The problem of overly long bash description #5715

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github-actions commented on Dec 17, 2025

rekram1-node commented on Dec 18, 2025

doitcan-oiu commented on Dec 18, 2025

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github-actions commented on Mar 26, 2026

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