Gartner warns of "FDE washing" while a16z calls FDE a way to build a moat. How to tell a real FDE from rebranded consulting, and what to settle before you sign.
Series Forward Deployed Engineer · Part 2 of 3pstack is Lauren Tan's open-source skill pack: one router skill that picks a playbook, 24 nameable principles, review across model families, and verification backed by real code. How it is built, and what you can take from it today.
From the simplest way to generate codes (hash the URL and truncate) to random codes with UNIQUE, a unique ID encoded in base62 and a pre-generated key pool. Each step shows why the previous one falls short, with collision odds.
Part 2/2: each AgentKit guard layer taken apart, from scout-block, privacy-block and simplify-gate to hard-gates and guard skills, with the known gaps, habits worth keeping and a quick glossary.
Series Guardrails in Claude Code and AgentKit · Part 2 of 2Part 1/2: a prompt instruction is only a suggestion. A real guardrail is a hook in the Claude Code harness that blocks a tool call with exit 2. The hook mechanism, AgentKit's seven guardrail groups and its settings layers.
Series Guardrails in Claude Code and AgentKit · Part 1 of 2
