Change role from "system" to "user" in prompt messages for AssignCodingAgentPrompt and IssueToFixWorkflowPrompt#897
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…ingAgentPrompt` and `IssueToFixWorkflowPrompt`. Role "system" is not allowed by Claude Code in MCP provided prompt (allowed only role "user" and "assistant")
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Pull Request Overview
This PR fixes a compatibility issue with Claude Code in MCP by changing the role from "system" to "user" in prompt messages for two GitHub MCP server features.
- Changes the role field from "system" to "user" in
AssignCodingAgentPromptandIssueToFixWorkflowPrompt - Enables Claude Code compatibility without affecting functionality
Reviewed Changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| pkg/github/workflow_prompts.go | Updates role from "system" to "user" in IssueToFixWorkflowPrompt |
| pkg/github/issues.go | Updates role from "system" to "user" in AssignCodingAgentPrompt |
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tommaso-moro
approved these changes
Aug 21, 2025
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Issue Description
Role "system" is not allowed by Claude Code in MCP provided prompts (they allow only role "user" and "assistant").
In Claude Code terminal, when user try to use
/gh:AssignCodingAgent (MCP)or/gh:IssueToFixWorkflow (MCP)provided by Github MCP server, they will face the below error:Solution
Simply change the role from "system" to "user" fix this issue without impacting the functionality of the features:
/gh:AssignCodingAgentand/gh:IssueToFixWorkflow.Claude Code now accept the prompt from Github MCP server and proceed as expected.
Remark:
I couldn't find any existing issue on Github Repo for this yet. If an issue is required to merge this changes. Let me know i will create a new one.