This story was originally published on HackerNoon at:
https://hackernoon.com/why-sdd-breaks-down-in-microservices-part-2-why-i-built-archspec-to-keep-service-context-explicit.
I built archspec, an open source Claude Code plugin that turns microservice architecture rules into YAML contracts, docs, diagrams, and commit checks.
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Part 1 showed how LLM-generated specs lose the rules between microservices. Part 2 introduces archspec, an open source Claude Code plugin that initializes a YAML service contract, generated
architecture docs, Mermaid diagrams, and pre-commit checks so idempotency, Outbox, consumers, and service links stay explicit.