--- title: "Posts by Josh Thornton | Speedscale" description: "Browse all blog posts written by Josh Thornton on the Speedscale blog." canonical: "https://speedscale.com/blog/author/josh-thornton/" --- # Posts by Josh Thornton Josh Thornton is a contributor to the Speedscale blog. • 9 posts published [![Run Local LLMs on Mac to Cut Claude Costs](https://speedscale.com/_astro/ollama-serve-200.3QYbVcjv_Z1nr0D3.webp)](https://speedscale.com/blog/local-llms-on-mac-cost-savings/) Apr 23, 2026 ### [Run Local LLMs on Mac to Cut Claude Costs](https://speedscale.com/blog/local-llms-on-mac-cost-savings/) A practical hybrid workflow that uses costly LLM APIs for planning and local models (via Ollama + OpenCode) for execution, guarded by deterministic evals. [AI/ML](https://speedscale.com/blog/category/ai/ml/) [Developer tools](https://speedscale.com/blog/category/developer-tools/) [Local Development Environments](https://speedscale.com/blog/category/local-development-environments/) [Developer Productivity](https://speedscale.com/blog/category/developer-productivity/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) Apr 20, 2026 ### [What the Warp Terminal Sends Home](https://speedscale.com/blog/what-the-warp-terminal-sends-home/) We recorded Warp traffic to see what gets sent back to the home base. Spoiler: It's everything. [AI/ML](https://speedscale.com/blog/category/ai/ml/) [Security](https://speedscale.com/blog/category/security/) [Developer tools](https://speedscale.com/blog/category/developer-tools/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) [![Dark Code: The AI-Generated Software Nobody Understands](https://speedscale.com/_astro/featured-image.BigAfpAg_Z210f7y.webp)](https://speedscale.com/blog/dark-code/) Apr 15, 2026 ### [Dark Code: The AI-Generated Software Nobody Understands](https://speedscale.com/blog/dark-code/) Dark code is software no human has written, read, or reviewed. As AI tools accelerate, the gap between shipped code and understood code is widening fast. [AI Development](https://speedscale.com/blog/category/ai-development/) [API Testing](https://speedscale.com/blog/category/api-testing/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) [![AI Coding Agents Break What Works](https://speedscale.com/_astro/featured-image.BwqGmyEY_Z20A8QH.webp)](https://speedscale.com/blog/ai-coding-agents-break-what-works/) Mar 30, 2026 ### [AI Coding Agents Break What Works](https://speedscale.com/blog/ai-coding-agents-break-what-works/) AI agents silently modify working systems to force changes through. Three real patterns and the guardrails that catch them. [AI Development](https://speedscale.com/blog/category/ai-development/) [API Testing](https://speedscale.com/blog/category/api-testing/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) [![API Traffic Replay Testing: The Definitive Guide (2026)](https://speedscale.com/_astro/featured-image.BjN2zDjz_Z1Hvn6c.webp)](https://speedscale.com/blog/definitive-guide-to-traffic-replay/) Mar 24, 2026 ### [API Traffic Replay Testing: The Definitive Guide (2026)](https://speedscale.com/blog/definitive-guide-to-traffic-replay/) What is API traffic replay testing? Capture, sanitize, and replay production traffic. Compare GoReplay vs WireMock vs Speedscale vs proxymock. [API Testing](https://speedscale.com/blog/category/api-testing/) [Traffic Replay](https://speedscale.com/blog/category/traffic-replay/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) [![Building Speedy: An Autonomous AI Development Agent](https://speedscale.com/_astro/featured-image.CxQjuR-6_209fS.webp)](https://speedscale.com/blog/building-speedy-autonomous-ai-development-agent/) Feb 18, 2026 ### [Building Speedy: An Autonomous AI Development Agent](https://speedscale.com/blog/building-speedy-autonomous-ai-development-agent/) How we built an AI agent that implements Jira tickets, creates merge requests, and monitors them autonomously—and the iterative journey to get there. [Developer tools](https://speedscale.com/blog/category/developer-tools/) [DevOps](https://speedscale.com/blog/category/devops/) [AI/ML](https://speedscale.com/blog/category/ai/ml/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) [![Why Your Company Will Be Running OpenClaw Next Year](https://speedscale.com/_astro/featured-image.Cm1ZbqKO_Z1LtVQM.webp)](https://speedscale.com/blog/why-your-company-will-be-running-openclaw-next-year/) Feb 12, 2026 ### [Why Your Company Will Be Running OpenClaw Next Year](https://speedscale.com/blog/why-your-company-will-be-running-openclaw-next-year/) OpenClaw is the new model for AI agents in the enterprise. Here's why it's a security nightmare and who's building the governed version. [Security](https://speedscale.com/blog/category/security/) [AI/ML](https://speedscale.com/blog/category/ai/ml/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) [![Part 3: Building a Production-Grade Traffic Capture and Replay System](https://speedscale.com/_astro/isolation.DaQBCppG_1tS0VA.webp)](https://speedscale.com/blog/how-to-build-a-traffic-replay-system/) Nov 12, 2025 ### [Part 3: Building a Production-Grade Traffic Capture and Replay System](https://speedscale.com/blog/how-to-build-a-traffic-replay-system/) Learn how to build a traffic replay system that validates services with production data. [Cloud native](https://speedscale.com/blog/category/cloud-native/) [Observability](https://speedscale.com/blog/category/observability/) [Traffic Replay](https://speedscale.com/blog/category/traffic-replay/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) Aug 5, 2025 ### [Peeking Under the Hood of Cursor's API Calls](https://speedscale.com/blog/peeking-under-the-hood-of-cursor/) Cursor is one of the go-to AI-native code editors for developers. Because it’s built on Visual Studio Code, it provides a pretty smooth path between... [API Testing](https://speedscale.com/blog/category/api-testing/) [Developer Productivity](https://speedscale.com/blog/category/developer-productivity/) [Local Development Environments](https://speedscale.com/blog/category/local-development-environments/) [by Josh Thornton](https://speedscale.com/blog/author/josh-thornton/) ## Try Speedscale free Choose the desktop proxymock or the hosted cloud trial to get started. [Free Desktop Tool](https://docs.speedscale.com/proxymock/getting-started/installation/) [Free Cloud Trial](https://app.speedscale.com/signup)