feat: add codex client to package

[MaheshtheDev]

feat: add codex client to package

test: add tests for the new client

[claude]

Claude finished @MaheshtheDev's task —— View job

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PR Review Complete ✅

I've thoroughly reviewed the PR that adds codex client support. Here's my comprehensive feedback:

Todo List:

• Read and analyze all changed files
• Review code quality and implementation
• Check for potential bugs and issues
• Evaluate security concerns
• Assess performance considerations
• Review test coverage
• Provide comprehensive feedback

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Code Quality and Best Practices ✅

Positive aspects:

• Consistent implementation: The codex client follows the established patterns used by other clients
• Proper configuration: Uses TOML format which is appropriate for configuration files
• Environment variable support: Correctly uses CODEX_HOME environment variable with fallback to ~/.codex
• Cross-platform compatibility: Properly integrates with existing platform-specific path handling
• Test coverage: Added comprehensive tests for the new client

Specific implementation details:

• Config path: src/client-config.ts:137-142 - Uses process.env.CODEX_HOME || path.join(homeDir, '.codex'), 'config.toml')
• Config format: Correctly specified as format: 'toml' in src/client-config.ts:141
• Config key: Uses mcp_servers (snake_case) which is appropriate for TOML format

Test Coverage ✅

Excellent test additions in src/client-config.test.ts:

• Line 60: Added 'codex' to the client names array test
• Line 65: Updated test to expect at least 14 clients (was 13)
• Lines 176-179: Added specific test for codex nested config key
• Lines 223-228: Added test for codex config structure validation

Potential Issues and Improvements 🔍

Minor considerations:

1. Documentation consistency: The README correctly lists codex as "OpenAI's Codex CLI tool" - this is accurate
2. Config key naming: Uses mcp_servers (snake_case) which differs from most other clients that use mcpServers (camelCase). This is actually correct for TOML format conventions
3. No breaking changes: All existing functionality remains intact

Security Concerns ✅

No security issues identified:

• Uses standard file system operations with proper path handling
• Environment variable usage is safe and follows established patterns
• No credential handling or external network access in the configuration code

Performance Considerations ✅

No performance concerns:

• Minimal overhead - only adds one more client configuration option
• TOML parsing is handled by the existing @iarna/toml dependency
• File I/O operations follow the same patterns as existing clients

Package Management ✅

Dependencies correctly managed:

• package.json was reformatted (appears to be a formatting change from 93 to 94 lines)
• pnpm-lock.yaml shows the existing @iarna/toml dependency is being utilized
• No new dependencies were added - reuses existing TOML parsing infrastructure

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Overall Assessment: APPROVED ✅

This is a high-quality PR that:

• ✅ Follows established patterns and conventions
• ✅ Includes comprehensive test coverage
• ✅ Has no security or performance concerns
• ✅ Maintains backward compatibility
• ✅ Uses appropriate configuration formats (TOML for codex)
• ✅ Properly handles cross-platform paths and environment variables

The implementation is clean, well-tested, and ready for merge. Great work!

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[MaheshtheDev]

• feat: add codex client to package #27 👈 (View in Graphite)
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[claude]

Claude finished @MaheshtheDev's task —— View job

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PR Review: Add Codex Client Support ✅

Todo List:

• Read and analyze all changed files
• Review code quality and implementation patterns
• Check for potential bugs and issues
• Evaluate security concerns
• Assess performance considerations
• Review test coverage
• Provide comprehensive feedback

---

Overall Assessment: APPROVED ✅

This is a high-quality PR that successfully adds OpenAI Codex CLI tool support to the MCP installer. The implementation is clean, well-tested, and follows established patterns.

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Code Quality and Best Practices ✅

Excellent implementation:

• Consistent patterns: Follows the exact same structure as other clients in the codebase
• Proper configuration format: Uses TOML format (config.toml) which is appropriate for CLI tools
• Environment variable support: Correctly implements CODEX_HOME with fallback to ~/.codex
• Cross-platform compatibility: Integrates seamlessly with existing path handling
• Config key naming: Uses mcp_servers (snake_case) which follows TOML conventions

Implementation details:

• src/client-config.ts:137-142 - Clean config path implementation
• src/client-config.ts:141 - Correct TOML format specification
• README.md:138 - Accurate documentation as "OpenAI's Codex CLI tool"

Test Coverage ✅

Comprehensive test additions in src/client-config.test.ts:

• Line 60: Added 'codex' to supported clients array test
• Line 66: Updated count expectation from 13 to 14 clients
• Lines 176-179: Added specific test for codex nested config key structure
• Lines 223-228: Added test validating codex config handling
• Lines 295-300: Added writeConfig test for codex

Security Analysis ✅

No security concerns identified:

• Uses standard file system operations with proper path resolution
• Environment variable usage follows safe patterns
• No credential handling or external network access
• File permissions handled by existing infrastructure

Performance Considerations ✅

Minimal performance impact:

• Adds only one additional client configuration option
• Leverages existing @iarna/toml dependency (no new dependencies)
• File I/O operations follow established patterns
• TOML parsing is handled efficiently by existing infrastructure

Bug Analysis ✅

No bugs identified:

• Path handling is robust with proper fallbacks
• Config key structure is correctly defined
• Error handling inherits from existing patterns
• TOML format support is properly implemented

Code Architecture ✅

Follows established patterns:

• Configuration path: ~/.codex/config.toml (or $CODEX_HOME/config.toml)
• Config key: mcp_servers (appropriate for TOML format)
• Format specification: format: 'toml'
• Type definition: Standard ClientFileTarget interface

Dependencies ✅

No new dependencies added:

• Reuses existing @iarna/toml dependency from package.json:82
• Package.json shows minor formatting changes only (93→94 lines)
• pnpm-lock.yaml updates appear to be maintenance-related

Documentation ✅

README properly updated:

• Added "codex" to supported clients list
• Includes accurate description: "OpenAI's Codex CLI tool"
• Maintains alphabetical ordering in documentation

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Minor Observations

1. Config key naming: Uses mcp_servers instead of mcpServers - this is correct as TOML conventionally uses snake_case
2. Environment variable: CODEX_HOME support is appropriate for CLI tools
3. No breaking changes: All existing functionality remains intact

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Recommendation: MERGE ✅

This PR is ready for merge. The implementation demonstrates:

• ✅ Excellent code quality and consistency
• ✅ Comprehensive test coverage
• ✅ No security or performance concerns
• ✅ Proper documentation updates
• ✅ Zero breaking changes
• ✅ Clean, maintainable code

Great work on following the established patterns and providing thorough test coverage!

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[github-actions]

🎉 This PR is included in version 1.10.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀