YeonGyu-Kim

Investigate LazyCodex and Codex bugs using reproduction results and source code. Identify the responsible repository, then prepare or submit an English GitHub report with evidence, likely causes, fix guidance, and a verification plan.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Report a reproducible LazyCodex or Codex bug
• Identify which project owns a defect
• Add new evidence to an existing issue

Retrieve pages blocked by web access filters, read Chinese and social platforms through dedicated tools, and inspect archived copies with their dates. Escalate to browser interaction when simpler extraction methods cannot provide the needed content.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Read a page that returns a 403 error
• Retrieve posts from Chinese platforms
• Check dated archives of unavailable pages

Cleans redundant comments, dead code, duplication, and unnecessary complexity from branch changes or selected files. Establishes passing regression tests first, then checks that cleanup preserves existing behavior and public APIs using the project's quality tools.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Cleaning up recent AI-generated code changes
• Simplifying redundant code in selected files
• Adding regression coverage before cleanup

Finds and rewrites code by its syntax structure across 25 languages. Use it to locate matching calls or declarations, preview bulk changes, and run reusable YAML rules that check code or apply fixes.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Finding calls or functions with a specific structure
• Previewing and applying bulk code changes
• Checking code with reusable YAML rules

Automate forms, clicks, screenshots, and website checks in a browser where you are already signed in. A separately launched browser also supports scraping and network capture, while login or verification steps can be handed to a person.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Fill forms on websites where you are already signed in
• Capture screenshots and check website behavior
• Record network traffic in a separately launched browser

Analyze CSV, Parquet, and JSON files to answer questions through grouping, joins, cleaning, time series, and charts. Chooses DuckDB or Polars and a suitable processing location based on the task and available memory.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Summarizing and joining data files
• Exploring trends and distributions
• Cleaning data before analysis

Checks LazyCodex and Codex CLI installations against current source code, inspecting versions, settings, plugin files, and runtime behavior. Produces an evidence-backed health report with suggested fixes while leaving the installed setup unchanged.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Diagnosing unexpected behavior after an update
• Checking configuration and plugin files
• Auditing differences from current source code

Investigate LazyCodex and Codex bugs using reproduction results and source code. Identify the responsible repository, then prepare or submit an English GitHub report with evidence, likely causes, fix guidance, and a verification plan.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Report a reproducible LazyCodex or Codex bug
• Identify which project owns a defect
• Add new evidence to an existing issue

Set up a language server, a tool that helps agents understand source code, for a project. Detect the language, install and configure the server, then verify that it responds to a diagnostic request.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Resolving a no LSP server configured error
• Setting up language tools for a new project
• Enabling definition lookup and reference search

Use language servers, tools that understand code structure, to check errors, locate definitions, and find references in Codex. Check whether a symbol can be renamed and apply the rename across the workspace.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Checking code errors after edits
• Locating function or variable definitions
• Finding where a symbol is used

Reviews completed changes against the original goal, constraints, code quality, and security. Combines hands-on checks of the actual application or API with recorded evidence, then reports blockers and a passed, failed, or inconclusive verdict.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Reviewing completed implementation work
• Checking actual behavior before a PR handoff
• Finding missed requirements and constraints

Understand how Codex Rules adds project instructions and file-specific rules to agent context. Check supported rule locations, when rules are applied, and environment settings for modes, sources, and text limits.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Checking supported locations for rule files
• Understanding when file-specific rules are applied
• Configuring rule modes and text limits

Coordinates a named team of Codex workers with concrete responsibilities and shared progress records. It selects available collaboration tools, manages communication and separate working copies when needed, and handles integration, team archival, and cleanup after the work ends.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Splitting related implementation work across cooperating agents
• Investigating several aspects of a clearly defined problem
• Inspecting team progress and member responsibilities

Retrieve pages blocked by web access filters, read Chinese and social platforms through dedicated tools, and inspect archived copies with their dates. Escalate to browser interaction when simpler extraction methods cannot provide the needed content.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Read a page that returns a 403 error
• Retrieve posts from Chinese platforms
• Check dated archives of unavailable pages

Carry development tasks through implementation and verification on the actual interface, such as a browser, terminal, or API. Define success criteria upfront, scale checks to the change, and retain evidence and progress notes.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Fixing a bug and verifying the reproduced behavior
• Checking a feature in the actual browser interface
• Recording API responses as verification evidence

Checks the visual quality of web pages, terminal interfaces, and paginated documents. Uses phone and desktop captures, light and dark themes, and an Apple design checklist to produce screenshot evidence and item-by-item verdicts.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Checking a UI after implementation or changes
• Comparing a rendered page with its design reference
• Finding clipped Japanese text and broken wrapping

Reproduce and fix LazyCodex or Codex defects in a temporary workspace. Verify the change with regression tests and real usage, then deliver an upstream Codex pull request or a LazyCodex issue containing the tested patch.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Implement and verify a reproducible bug fix
• Submit an upstream Codex pull request
• Deliver a tested LazyCodex patch in an issue

Help Codex respond to automatic warnings about comments after code edits. It explains when the checker runs and directs Codex to fix the flagged comment or explain it before continuing with other work.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Understand a comment warning after an edit
• Fix a comment flagged by the checker
• Explain a flagged comment before continuing

Search local session histories across Codex, Claude Code, OpenCode, and other coding agents. Find earlier requests, inspect transcripts and child sessions, and reconstruct past work using recorded evidence, with filters for dates, projects, platforms, and models.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Finding work done a few days ago
• Checking whether a migration was already completed
• Reviewing tasks delegated to child agents

Investigate crashes, hangs, incorrect responses, and other failures by testing hypotheses against observed runtime behavior. Confirm the cause, verify the fix with a reproducing test, check the real workflow, and remove temporary debugging artifacts.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Investigating crashes, hangs, or incorrect responses
• Tracing intermittent failures or asynchronous behavior
• Analyzing binary behavior without source code

Builds and refines web pages and components using documented design rules. Covers layout, styling, animation, and reusable components, with browser-based checks for visual quality, performance, accessibility, and SEO.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Building a landing page from a brief
• Redesigning an existing dashboard
• Implementing a supplied screenshot or mockup

Manage Git changes and investigate repository history with evidence from commands. Group related edits into focused commits, reorganize branch history when requested, trace changes, and identify the first faulty commit when a repeatable check is available.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Committing related changes in focused groups
• Reorganizing branch history with rebase or squash
• Tracing when and where code changed

Create or update hierarchical AGENTS.md files that explain a project's structure, commands, and conventions. Analyze directory complexity to choose useful locations, then keep local guidance concise and avoid repeating parent instructions.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Documenting project conventions for coding agents
• Adding guidance for complex directories
• Updating existing AGENTS.md files

Refactor code through a staged process that maps dependencies, assesses test coverage, and plans small changes. Use it to extract functions, simplify code, or restructure modules while checking tests and diagnostics throughout.

한국어 요약은 준비 중입니다. 영어 요약을 표시하고 있습니다.

• Extracting validation logic into a separate module
• Renaming a class and updating its references
• Replacing deprecated API usage