HumanLayer

Compare function call structures across Git commits, branches, or working files to support code review. Display call trees and trace paths from an entry function to a target function, with support for 22 languages.

中文简介正在准备中。当前显示英语简介。

• Compare function calls before and after a change
• Review call structure changes between branches
• Trace paths from an entry function to a target

Coordinate smaller agents to handle research, code exploration, and command execution during complex tasks. It separates responsibilities, avoids overlapping assignments, and helps the main agent maintain context and consistency over extended work.

中文简介正在准备中。当前显示英语简介。

• Dividing complex work among agents
• Delegating codebase research
• Handling commands with lengthy output

Turn a structure outline into code one phase at a time. A dedicated agent implements and checks each phase, while progress markers, human review, and commits keep the work organized and ready to resume.

中文简介正在准备中。当前显示英语简介。

• Implementing a development outline in phases
• Resuming work from the first unfinished phase
• Reviewing manual checks before continuing

Review a codebase for modules whose interfaces expose too much complexity, then compare refactoring options in a visual HTML report. Explore a selected option through questions about constraints, dependencies, module design, and testing.

中文简介正在准备中。当前显示英语简介。

• Finding refactoring options in frequently changed code
• Comparing architecture options with before-and-after diagrams
• Exploring changes that make modules easier to test

Address bugs, adjustments, or follow-up features after implementation. Review the plan, code changes, and commit history to establish the current state, apply verified fixes, run tests and lint checks, and provide steps for further verification.

中文简介正在准备中。当前显示英语简介。

• Fix a bug reported after implementation
• Apply follow-up code adjustments
• Add a follow-up feature on the same branch

Deepen existing codebase research documents without ongoing user feedback. It investigates gaps, verifies claims against the current implementation, adds file and line references, corrects outdated details, and updates open questions while preserving the document’s format.

中文简介正在准备中。当前显示英语简介。

• Expanding thin sections in existing research documents
• Verifying documented code behavior and references
• Investigating open questions about a codebase

Refine an existing product requirements document through focused discussion. Resolve one product decision at a time, compare options, and update the relevant sections and HTML mockups so the document stays coherent and reflects agreed decisions.

中文简介正在准备中。当前显示英语简介。

• Incorporating feedback into an existing requirements document
• Resolving open product decisions one at a time
• Comparing interface options with HTML mockups

Refine an existing technical design document through focused discussion. Compare design options with diagrams and code sketches, resolve one decision at a time, and update the relevant sections so the document consistently reflects agreed choices.

中文简介正在准备中。当前显示英语简介。

• Incorporating feedback into an existing technical design document
• Comparing unresolved architecture and code structure options
• Clarifying data flow and component responsibilities with diagrams