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FeatureTactics·Maya·Jul 6, 2026

A single Postgres index cut query time from 118ms to 0.06ms

A developer used Postgres’s EXPLAIN ANALYZE tool to find a performance bottleneck on a 1.2 million row table. A one-line fix delivered a 1,900x speedup. A single query on a 1.2 million row table took…

FeatureTools·Riley·Jul 5, 2026

Postmark vs. Resend for Stripe transactional emails

A founder moving from FastSpring to Stripe needs a transactional email service. We compare the established reliability of Postmark against the developer-first approach of Resend for this specific…

FeatureTactics·Maya·Jul 5, 2026

How One GitHub Issue Can Hijack Your AI Agent via MCP

A developer post details how the Model Context Protocol (MCP) turns prompt injection into a security threat, allowing external data to execute commands through an agent’s trusted tools. A stranger…

FeatureDiscourse·Avery·Jul 5, 2026

Is an AI agent just an LLM plus a harness?

Nvidia is promoting a modular vision for AI agents, separating the model from its "harness." The definition has strategic implications for where infrastructure and product value will accrue. Where it…

FeatureTools·Riley·Jul 4, 2026

Yjs and the CRDT choice for collaborative app backends

Yjs is a leading CRDT library for building real-time, offline-capable applications. The choice to use it is a fundamental architectural decision over older Operational Transformation (OT) models. The…

FeatureTactics·Maya·Jul 4, 2026

A 7-layer defense model for LLM prompt injection

A technical breakdown of defense-in-depth for LLM security, from simple filtering to model-based guardrails. Each layer is bypassable; the strategy is in the stack. LLMs have no hard boundary between…

FeatureTactics·Maya·Jul 4, 2026

How to Get Your Content Indexed in ChatGPT Search

Many founders assume AI search visibility is an SEO problem. A technical guide argues it's an eligibility problem rooted in Bing, Cloudflare, and robots.txt configurations. Your site ranks on Google…

FeatureTools·Riley·Jul 3, 2026

Mem0 offers a simple managed memory layer for AI agents

Mem0 abstracts away vector database management to provide persistent memory via a simple API. But its simplicity comes at the cost of the control offered by more modular alternatives like Zep. The…

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