TraceMiner Blog
Insights, guides, and technical writeups.
Browse published posts about HAR files, debugging, backend discovery, and modern engineering workflows.
How to Sanitize a HAR File (Chrome's Export Isn't Enough)
How to sanitize a HAR file before sharing it: what Chrome's sanitized export removes, what it leaves behind, and the tools that finish the job.
Read post →Debugging With HAR Files: Diff a Working vs Broken Capture
Debugging with HAR files: capture the flow twice, once working and once broken, diff the traces, and the first divergence is the cause. A practical method.
Read post →HAR to MCP Server: Give Your AI Agent an API, Not a Browser
Turn a HAR file into an MCP server your Claude Code agent calls directly. Skip the headless browser: faster actions, lower cost, and no brittle selectors.
Read post →Reverse Engineer API Authentication: JWTs, Refresh & PKCE
How to reverse engineer API authentication from a HAR file: spot session cookies, JWTs, refresh token rotation, and PKCE — and reproduce each flow in code.
Read post →What Is a HAR File? Structure, Export, and Analysis
What is a HAR file? A JSON record of every network request a browser makes. Learn the HAR structure, how to export one from Chrome, and how to analyze it.
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