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Learn the foundations
5-part implementation companion

Practical Agent Systems Playbook

Five cloud-neutral builds for the controls that turn an agent demo into an operable system.

Start with part one5 published articles
Five connected controls in a production agent system
Theory into practice

One control at a time

Build path

Five production controls

  1. 019 min read

    Building a Production Agent Runtime

    How to separate stateless execution, durable state, fast and long-running paths, autonomy budgets, and the signals that actually govern scale.

    Read build
  2. 028 min read

    Adding Backpressure to an Agent Tool Layer

    How queues, bounded drain rates, retry discipline, workload shaping, and admission control protect constrained dependencies.

    Read build
  3. 037 min read

    Designing a Fair Scheduler for Agent Workloads

    How reserved capacity, weighted service, aging, and multi-dimensional quotas prevent low-priority work from starving.

    Read build
  4. 0410 min read

    Building an Agent Eval Harness From Scratch

    How to turn fixtures, trajectories, deterministic graders, calibrated judges, repeated trials, and release gates into evidence.

    Read build
  5. 059 min read

    How to Draw Clear Agent Architectures, Fast

    A progressive method for drawing execution paths, ownership boundaries, durability, safety, and evaluation without diagram paralysis.

    Read build

All writing on PFP Labs is personal. The views expressed in this series are my own and do not represent those of my employer or of any vendor mentioned. Nothing published here is based on non-public information, and everything described comes from publicly available documentation and personal projects.

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