Mubin Attar — Writing & Notes https://mubin-attar.vercel.app Essays, guides, and short notes on AI systems, evaluation, and honest ML. en Grade every prediction against the real final score https://mubin-attar.vercel.app/notes/grade-picks-against-the-final-score https://mubin-attar.vercel.app/notes/grade-picks-against-the-final-score Sun, 05 Jul 2026 00:00:00 GMT note A short note on evals, honesty. The validator is the belt; least-privilege is the braces https://mubin-attar.vercel.app/notes/read-only-least-privilege-execution https://mubin-attar.vercel.app/notes/read-only-least-privilege-execution Thu, 25 Jun 2026 00:00:00 GMT note A short note on security, sql. A validator is not a better prompt https://mubin-attar.vercel.app/writing/a-validator-is-not-a-better-prompt https://mubin-attar.vercel.app/writing/a-validator-is-not-a-better-prompt Sat, 20 Jun 2026 00:00:00 GMT essay Why DBWhisper gates every generated query with deterministic code instead of a stricter system prompt — 'less often' is not a safety property. For text-to-SQL, measure execution accuracy https://mubin-attar.vercel.app/notes/execution-accuracy-not-exact-match https://mubin-attar.vercel.app/notes/execution-accuracy-not-exact-match Thu, 18 Jun 2026 00:00:00 GMT note A short note on evals, sql. Trust is not a safety model https://mubin-attar.vercel.app/writing/trust-is-not-a-safety-model https://mubin-attar.vercel.app/writing/trust-is-not-a-safety-model Wed, 20 May 2026 00:00:00 GMT essay Why I gate an LLM's SQL behind a deterministic, fail-closed validator instead of trusting the model to behave. Solo, but every deploy still has to pass the gate https://mubin-attar.vercel.app/notes/every-deploy-gated-by-ci https://mubin-attar.vercel.app/notes/every-deploy-gated-by-ci Sat, 16 May 2026 00:00:00 GMT note A short note on infra, testing. State the risk-free rate wherever Sharpe appears https://mubin-attar.vercel.app/notes/state-the-risk-free-rate https://mubin-attar.vercel.app/notes/state-the-risk-free-rate Sat, 09 May 2026 00:00:00 GMT note A short note on quant, honesty. Look-ahead-free by construction https://mubin-attar.vercel.app/writing/look-ahead-free-by-construction https://mubin-attar.vercel.app/writing/look-ahead-free-by-construction Sun, 12 Apr 2026 00:00:00 GMT essay The most common way a backtest lies to you is look-ahead bias. Here's how I designed it out of TradePulse instead of hoping to catch it later. One agent, three SQL dialects https://mubin-attar.vercel.app/notes/one-agent-three-sql-dialects https://mubin-attar.vercel.app/notes/one-agent-three-sql-dialects Thu, 02 Apr 2026 00:00:00 GMT note A short note on sql, agents. Six LLM providers behind one interface https://mubin-attar.vercel.app/notes/six-providers-one-interface https://mubin-attar.vercel.app/notes/six-providers-one-interface Sat, 14 Mar 2026 00:00:00 GMT note A short note on infra, agents. Retrieval beats stuffing the schema https://mubin-attar.vercel.app/writing/retrieval-beats-stuffing https://mubin-attar.vercel.app/writing/retrieval-beats-stuffing Sun, 08 Mar 2026 00:00:00 GMT guide A practical approach to natural-language-to-SQL on real databases: document the schema, embed it, and retrieve per question instead of pasting the whole thing into the prompt. Enforce tenancy in the repository layer, not the route https://mubin-attar.vercel.app/notes/tenancy-in-the-repository-layer https://mubin-attar.vercel.app/notes/tenancy-in-the-repository-layer Sat, 21 Feb 2026 00:00:00 GMT note A short note on infra, security.