An AI-powered analysis tool that traces Java API call chains from Controllers to SQL to generate comprehensive Mermaid sequence diagrams.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install api-sequence-diagram
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install api-sequence-diagram using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is API Sequence Diagram Generator?
The API Sequence Diagram Generator is a technical utility designed to simplify the comprehension of complex Java web applications. By analyzing a specific API path or method, this skill for Openclaw Skills automatically traverses the source code hierarchy, mapping interactions between Controllers, Services, and Mappers. It bridges the gap between raw code and architectural documentation, making it easier for developers to visualize business logic flow without manual tracing.
This tool is particularly effective for legacy systems where documentation is sparse. It doesn't just list calls; it extracts business semantics from decision nodes and annotations, providing a high-level view of how data moves through the system. Integrating this into your Openclaw Skills library ensures that your AI agent can provide deep, actionable insights into backend architecture.
API Sequence Diagram Generator Use Cases
- Visualizing complex business logic flows for legacy Java system documentation.
- Onboarding new developers by generating instant call chain diagrams for critical APIs.
- Debugging cross-service interactions involving Feign clients, MQ, or Redis operations.
- Identifying transaction boundaries and potential performance bottlenecks like N+1 queries during code reviews.
How API Sequence Diagram Generator Works
- Identify the target entry point using an API path, method name, or class signature via symbol search.
- Recursively trace the call hierarchy through the Controller, Service, and DAO layers up to four levels deep.
- Analyze code-level constructs such as if/else branches, loops, and try-catch blocks to extract business meaning.
- Detect and map framework-specific interactions including MyBatis XML SQL, Feign remote calls, and MQ messaging.
- Generate a Mermaid sequence diagram along with a detailed report of decision nodes and transaction boundaries.
API Sequence Diagram Generator Setup
To deploy this skill within your environment, ensure your agent has access to the project source code and the Openclaw Skills configuration.
# Navigate to your agent's skills directory
cd project-root/.skills/
# Initialize or copy the api-sequence-diagram skill definition
# Ensure the agent has permissions to execute search_symbol and read_file tools
API Sequence Diagram Generator Data Schema & Taxonomy
| Data Component | Description | Format |
|---|---|---|
| Interface Summary | Details on API path, module, and Controller source. | Markdown Table |
| Sequence Diagram | Visual representation of component interactions. | Mermaid Code Block |
| Decision Nodes | Mapping of code logic to business intent and branch outcomes. | Markdown Table |
| Call Chain Detail | Method-by-method breakdown of responsibilities and parameters. | Hierarchical List |
| Supplementary Analysis | Insights on transactions, exceptions, and performance risks. | Markdown Sections |
API Sequence Diagram Generator Advanced Features
- Multi-layer tracing that penetrates through Service interfaces to their specific implementations.
- Integrated MyBatis support to link Java Mapper methods directly to their XML SQL definitions.
- Asynchronous boundary detection for MQ publishers, event listeners, and @Async methods.
- Transaction propagation analysis to visualize @Transactional coverage across nested calls.
SKILL.md
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