
Secure Prompt and Tool Pipelines: Threat Modeling a Brain API
A practical threat model for prompt injection, tool authorization, data exfiltration, secrets, sandboxing, output handling, and red-team tests in a Brain API.
Blog category
Practical architecture, observability, security, API design, analytics, Git review, and QA patterns.
Field guides
Use the article checklists to move from design choices to testable implementation and release criteria.

A practical threat model for prompt injection, tool authorization, data exfiltration, secrets, sandboxing, output handling, and red-team tests in a Brain API.

A field guide to Brain API observability with correlated logs, traces, metrics, evaluation results, privacy controls, and incident-ready run records.

A developer-focused explanation of the Brain API concept, its layers, request contracts, memory boundaries, safety controls, and a practical path from prototype to production.