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claude-code - 💡(How to fix) Fix [Bug] Brainstorm mode displays Greek letters instead of numeric options [1 participants]

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anthropics/claude-code#54762•Fetched 2026-04-30 06:36:43
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Error Message

[{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.164Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n at async N (/$bunfs/root/src/entrypoints/cli.js:6355:12696)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.256Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n at async k (/$bunfs/root/src/entrypoints/cli.js:6355:11810)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.257Z"}]

Code Example

[{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n    at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.164Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n    at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n    at async N (/$bunfs/root/src/entrypoints/cli.js:6355:12696)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.256Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n    at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n    at async k (/$bunfs/root/src/entrypoints/cli.js:6355:11810)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.257Z"}]
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Bug Description in brainstorm mode, the options given to me were in greek letters as opposed to something simple like options 1,2,3. When asked which option I wanted to go with, I would have to copy and paste the letter becuase my keyboard doesn't do greek

Environment Info

  • Platform: darwin
  • Terminal: ghostty
  • Version: 2.1.122
  • Feedback ID: 3272745d-bb78-49fa-96a0-a644efd908bb

Errors

[{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n    at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.164Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n    at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n    at async N (/$bunfs/root/src/entrypoints/cli.js:6355:12696)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.256Z"},{"error":"Error: Plugin MCP server error - mcp-config-invalid: MCP server sourcegraph invalid: Missing environment variables: SOURCEGRAPH_ENDPOINT, SOURCEGRAPH_ACCESS_TOKEN\n    at o0H (/$bunfs/root/src/entrypoints/cli.js:2769:32776)\n    at async k (/$bunfs/root/src/entrypoints/cli.js:6355:11810)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-04-29T11:32:01.257Z"}]

extent analysis

TL;DR

Set the SOURCEGRAPH_ENDPOINT and SOURCEGRAPH_ACCESS_TOKEN environment variables to resolve the MCP server error.

Guidance

  • The error messages indicate that the SOURCEGRAPH_ENDPOINT and SOURCEGRAPH_ACCESS_TOKEN environment variables are missing, causing the MCP server to fail.
  • Verify that these variables are set in your environment before running the application.
  • Check the documentation for the correct values and formatting of these environment variables.
  • Consider setting these variables in a .env file or using a environment variable manager to avoid manual errors.

Example

No code snippet is provided as it is not clearly supported by the issue.

Notes

The issue seems to be related to a specific plugin (MCP server) and its configuration, rather than the brainstorm mode or Greek letters issue mentioned in the bug description.

Recommendation

Apply workaround: Set the required environment variables to resolve the MCP server error, as the issue is likely caused by their absence.

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#dependency conflict#environment setup#docker error#permission error#environment variable

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claude-code - 💡(How to fix) Fix [Bug] Brainstorm mode displays Greek letters instead of numeric options [1 participants]