Structured Outputs: Getting Reliable JSON from LLMs
Asking a model politely for JSON produces JSON most of the time, and most of the time is not a contract. How constrained decoding, schemas and validation combine into something you can build on.
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Jishu Labs
CTO
January 20, 2026
13 min read
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4 articles tagged “api design”
Clear tag filterAsking a model politely for JSON produces JSON most of the time, and most of the time is not a contract. How constrained decoding, schemas and validation combine into something you can build on.
A working MCP server in five steps — choosing what to expose, defining tools the model can actually use, handling authorisation, testing against a host, and the mistakes that make a server unusable in practice.
Compare GraphQL and REST for API design. Learn when to use each, implementation patterns, performance optimization, and how to choose the right approach for your application architecture.
Design APIs that developers love to use. Learn REST principles, versioning strategies, error handling, documentation, and security best practices.
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