Unix Philosophy

Summary of Unix philosophy: small composable programs, text streams, pipes, and clear modular interfaces.

May 29, 2026 · 1 min

Conflate: Meaning and Usage

Defines conflate as merging distinct ideas in a way that can blur important differences.

May 29, 2026 · 1 min

Gestalt: Meaning and Origin

Defines gestalt as a holistic form or unified impression, with its psychology origin and everyday usage.

May 29, 2026 · 1 min

Language Server Protocol (LSP)

Overview of LSP, a JSON-RPC protocol connecting editors to language servers for code intelligence.

May 28, 2026 · 6 min

Agent Client Protocol (ACP)

Explains ACP, a JSON-RPC protocol connecting editors to AI coding agents with client-brokered tools.

May 28, 2026 · 3 min

Orthogonal Work

Defines orthogonal work as unrelated changes outside task scope and why to keep diffs surgical.

May 28, 2026 · 1 min

Smoking Gun in Debugging

Defines “smoking gun” as direct, conclusive debugging evidence that pinpoints a problem’s cause.

May 28, 2026 · 1 min

Load-Bearing: Meaning in Agent Memory

Defines “load-bearing” as an active constraint that still supports a decision, memory, comment, or workaround.

May 28, 2026 · 1 min

Introduction to Anthropology

Introductory overview of anthropology, its branches, methods, cultural relativism, and applied uses.

May 27, 2026 · 5 min

Commit Intent in AI Harness Engineering

Pattern where agents declare structured pre-tool intent for gating, auditability, and drift detection.

May 25, 2026 · 3 min

Sub-Agent vs Tool-Agent in AI Harness Engineering

Distinguishes sub-agents from tool-agents by autonomy, interface, context, and harness contract.

May 25, 2026 · 2 min

LLM Thinking Token Budgets

Explains thinking-token budget parameters, provider naming, cost-latency tradeoffs, and completion-cap interactions.

May 25, 2026 · 1 min

LLM Prompt Cache Options Across Providers

Compares prompt/KV cache TTLs, controls, pricing, scope, and strategies across major LLM providers.

May 21, 2026 · 4 min

LLM Prompt Caching: Implicit vs Explicit

Explains implicit vs explicit LLM prompt caching, prefix constraints, provider support, and when to use each.

May 21, 2026 · 3 min

Vectors vs Tensors

Explains how vectors relate to tensors in ML, including rank, framework terminology, and KV cache shapes.

May 21, 2026 · 2 min

Why LLM Caching Is Only for Input Tokens

Explains why LLM prompt caching applies to reusable input-token prefill, not sequential output decoding.

May 21, 2026 · 3 min

Model Drift

Overview of model drift, detection, mitigation, and LLM-specific issues like knowledge staleness and provider drift.

May 21, 2026 · 4 min

PPO — Proximal Policy Optimization

Overview of PPO, the clipped policy-gradient RL algorithm used in RLHF for InstructGPT and original ChatGPT.

May 19, 2026 · 2 min

GRPO — Group Relative Policy Optimization

Critic-free RL algorithm that replaces PPO's value model with group-relative rewards for LLM fine-tuning.

May 19, 2026 · 2 min

Tool-DC Strategic Anchor Grouping — Web Search Example

Concrete web-search example showing how Tool-DC strategic anchor grouping reduces schema-confusion in tool calls.

May 19, 2026 · 4 min