Systems · evidence · boundaries
Building what excites me.
I design and build AI products where trust, retrieval, privacy, and durable state need to survive contact with real systems.
The work starts before the model: context, evidence, and the edge of the system. 01 / Selected work
Small surfaces. Serious boundaries.
Projects are ordered by how clearly their documentation supports a public case study—not by invented impact.
mastra-pii
Layered PII redaction for Mastra agents — a Presidio container adapter or a zero-dependency local engine, Indian identifier recognizers (Aadhaar/PAN/UPI/IFSC) with real checksums, and a fail-closed fallback contract.DocNeedle
Local-first SQLite FTS5 tool for indexing docs, retrieving chunks, and checking stale terminology.Reliable AI starts where the happy path ends.
02 / Current focus
Patterns that make agent systems easier to trust, inspect, and improve.
The work stays centered on product and engineering moves that help people understand the boundary, the fallback, and the evidence path.
- Memory and context boundaries
- Evaluation tied to user value
- Privacy-aware agent workflows
- Fallbacks that preserve useful outcomes
03 / Writing
The note behind the decision.
Each note starts in a public README or accepted ADR and returns to the project that made the question concrete.
Reliable PII redaction for modern agents
Agents leak PII at every boundary. mastra-pii started by measuring the data — Hinglish chat and Indian identifiers that off-the-shelf redactors miss — then built a fail-closed processor layer around what the benchmarks proved.
Citation-first RAG needs an insufficient-context path
A citation-first demo earns trust by showing its sources, naming its infrastructure, and treating insufficient context as a valid result.
Separate the product surface from the benchmark harness
DocNeedle's README is persuasive because it treats normal CLI use and repo-specific evaluation as different things instead of collapsing them into one story.
Trusted ingress before more tools
Career Copilot shows why a single-owner agent benefits from tight trust boundaries before it grows new capabilities.
04 / Resume
A timeline, not a claim cloud.
Verified experience has its own route. The web timeline is the current resume format.