Technical writing
Notes based on real AI tooling, architecture, integration, reliability and software operations problems.
What changes when an MCP server moves beyond a local demo: OAuth, constrained tool contracts, identity isolation, bounded queries, persistence and production failure boundaries.
A practical approach to taking over an existing production system: mapping architecture, restoring deployability, identifying risk, validating dependencies and earning confidence before making large changes.
How to design resilient third-party API pipelines with timeouts, retries, freshness policies, circuit breakers, deduplication, fallbacks and idempotent persistence.
How to model users, memberships, roles, active tenant context and authorization boundaries in a multi-company SaaS without leaking data across tenants.
How to prevent duplicate scheduled work across multiple application instances with PostgreSQL advisory locks, non-blocking acquisition, freshness checks and idempotent job design.