bash description #17415

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1. igorek-zxz

   added

   bugSomething isn't workingSomething isn't working

   on Mar 13, 2026
2. github-actions

   assigned

   rekram1-node

   on Mar 13, 2026
3. github-actions

   added

   coreAnything pertaining to core functionality of the application (opencode server stuff)Anything pertaining to core functionality of the application (opencode server stuff)

   on Mar 13, 2026
4. github-actions commented on Mar 13, 2026

   

   github-actionsBot

   on Mar 13, 2026 – with GitHub Actions

   Contributor

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

   • The bash tool was called with invalid arguments: #10213: Same error - bash tool called with invalid arguments, expected string received undefined for description field
   • Bash tool called with invalid arguments: "expected string, received undefined" for command and description fields #14519: Same error - bash tool called with invalid arguments for command and description fields, expected string received undefined
5. gustavodiasdev commented on Mar 13, 2026

   

   gustavodiasdev

   on Mar 13, 2026

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   same in macOS
6. kwijybo commented on Mar 31, 2026

   

   kwijybo

   on Mar 31, 2026

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   I'm having the same problem.

   Ubuntu 25.10, OpenCode 1.3.10, glm-4.7-flash Ollama

   
7. nfonrose commented on Apr 3, 2026

   

   nfonrose

   on Apr 3, 2026

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   Same issue with opencode 1.3.10 and Gemma 4 google/gemma-4-26b-a4b running inside LMStudio version 0.4.9+1.

   I don't know if this issue should be raised against Gemma 4 or OpenCode.
   But I guess it would be good to have a workaround at the Opencode level.

        $ mkdir -p src/main/java/com/vpnapi/model src/main/java/com/vpnapi/service src/main/java/com/vpnapi/resource src/main/java/com/vpnapi/security src/main/resources && echo "rootProject.name = 'wireguard-api'" > settings.gradle
        The bash tool was called with invalid arguments: [
          {
            "expected": "string",
            "code": "invalid_type",
            "path": [
              "description"
            ],
            "message": "Invalid input: expected string, received undefined"
          }
        ].
        Please rewrite the input so it satisfies the expected schema.
   
        ~ Writing command...
        The bash tool was called with invalid arguments: [
          {
            "expected": "string",
            "code": "invalid_type",
            "path": [
              "command"
            ],
            "message": "Invalid input: expected string, received undefined"
          },
          {
            "expected": "string",
            "code": "invalid_type",
            "path": [
              "description"
            ],
            "message": "Invalid input: expected string, received undefined"
          }
        ].
        Please rewrite the input so it satisfies the expected schema.                                                                                                                                                                                     
   
8. zenoda commented on Apr 5, 2026

   

   zenoda

   on Apr 5, 2026

   Last edited by zenoda

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   I temporarily solved this problem by customizing a plugin.

   // ~/.config/opencode/plugins/bash_fix.js
   export const DefaultDescription = async ({ project, client, $, directory, worktree }) => {
     return {
       "tool.execute.before": async (input, output) => {
         if (input.tool === "bash" && !output.args.description) {
           output.args.description='Execute a command'
         }
       }
     }
   }
   
9. thdxr

   removed

   bugSomething isn't workingSomething isn't working

   coreAnything pertaining to core functionality of the application (opencode server stuff)Anything pertaining to core functionality of the application (opencode server stuff)

   on May 3, 2026
10. github-actions commented on Jul 3, 2026

    

    github-actionsBot

    on Jul 3, 2026 – with GitHub Actions

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    To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.
11. github-actions

    closed this as not plannedon Jul 3, 2026