| name | chain |
| version | 1.0.0 |
| description | Chain of Responsibility reference — design pattern, middleware pipelines, command chains, blockchain basics. Use when building request processing pipelines or implementing handler chains. |
| author | BytesAgain |
| homepage | https://bytesagain.com |
| source | https://github.com/bytesagain/ai-skills |
| tags | ["chain","design-pattern","pipeline","middleware","handler","workflow"] |
| category | general |
Chain — Chain Pattern & Pipeline Reference
Quick-reference skill for chain-based design patterns, middleware pipelines, and sequential processing architectures.
When to Use
- Implementing Chain of Responsibility design pattern
- Building middleware pipelines (Express, Koa, Django)
- Designing multi-step data processing workflows
- Understanding promise chains and async pipelines
- Building event processing or filter chains
Commands
intro
scripts/script.sh intro
Overview of chain patterns — concept, variants, and applications.
responsibility
scripts/script.sh responsibility
Chain of Responsibility design pattern — GoF pattern with examples.
middleware
scripts/script.sh middleware
Middleware chains — Express, Koa, Django, and custom implementations.
promise
scripts/script.sh promise
Promise chains and async pipelines — chaining, error handling, patterns.
pipeline
scripts/script.sh pipeline
Unix pipeline philosophy and data transformation chains.
filter
scripts/script.sh filter
Filter chains — servlet filters, interceptors, decorators.
blockchain
scripts/script.sh blockchain
Blockchain fundamentals — hash chains, blocks, consensus basics.
examples
scripts/script.sh examples
Implementation examples across languages and frameworks.
help
scripts/script.sh help
version
scripts/script.sh version
Configuration
| Variable | Description |
|---|
CHAIN_DIR | Data directory (default: ~/.chain/) |
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