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Troubleshooting Codex CLI MCP server visibility across repositories

This article discusses a hypothetical scenario where a Codex CLI MCP server, configured for one repository, unexpectedly appears when the CLI is launched in a different repository. The author suggests checking configuration scopes, specifically user-level settings in `~/.codex/config.toml` or project-specific overrides in `.codex/config.toml`, as a potential explanation. A troubleshooting checklist is provided, including verifying the CLI version, launch command, and distinguishing between configured and active servers, with an example of how to disable a server using `enabled = false` in the configuration file. AI

IMPACT Provides guidance for developers using Codex CLI to manage server configurations and ensure repository isolation.

RANK_REASON The item describes a troubleshooting scenario for a specific software tool, not a new release or significant industry event.

Read on dev.to — MCP tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Troubleshooting Codex CLI MCP server visibility across repositories

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8 / 100
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The item describes a troubleshooting scenario for a specific software tool, not a new release or significant industry event.
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Breaking (< 6h)
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COVERAGE [1]

  1. dev.to — MCP tag TIER_1 English(EN) · Siqiang Zhang ·

    Why does a Codex CLI MCP server appear in another repository?

    <p><em>Disclosure: This article was prepared with AI assistance. The two-repository scenario and configuration changes below are hypothetical and untested. They describe a diagnostic approach, not a reported repair. Official documentation checked on October 16, 2026.</em></p> <p>…