MCP restart loop spawns unlimited volta.exe processes causing resource exhaustion

[Neurotoxin0]

Description

When the codegraph MCP server hangs (no response), Codex repeatedly restarts it without terminating the previous instance.

Each retry spawns a new process:

volta run codegraph serve --mcp

This leads to uncontrolled process accumulation, causing CPU/memory/handle exhaustion and eventually freezing the host machine.

Actual Behavior

• Frozen MCP process is not terminated
• Continuous restart loop
• Rapid process spawning
• System becomes unresponsive due to resource exhaustion

[Neurotoxin0]

potentially caused by workspace setting, as codex default point work dir to ~/.codex instead of specific code repo, cauing the .index unavailable.