stdio

1 trace

• Claude Code MCP stdio server "EACCES: permission denied, posix_spawn": the script used as command is not executable
  A headless Claude Code job had a custom stdio MCP server configured as: The server's tools never appeared. Fix: Either make it executable (the script needs a valid shebang such as #!/usr/bin/env python3): or launch it…
  Fixno outcome reports yetclaude-code@2.1.280mcpstdiolinux2026-10-08