Dev Tools · 1h ago
Spec-First Contract Testing for Multi-Agent AI Assistants
A developer used Specmatic to apply spec-first contract testing to TRIO, a multi-agent AI assistant with a FastAPI backend. The OpenAPI spec became the source of truth, catching response mismatches and edge cases. Resiliency testing revealed schema issues like nullable fields and mixed-type arrays in FastAPI validation errors.
Meridian48 take
The post demonstrates how contract testing can enforce API precision, but its value depends on the team's willingness to maintain specs as living documents.
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Spec-First Engineering with Specmatic: Contract-Testing a Multi-Agent AI Assistant →
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