Archive

2026

• Oct 18Why the Project Is Called CodeInstances
• Oct 18Why Replay Matters for AI Agents That Take a Different Path Every Run
• Oct 18What a Code Instance Is and Why Program Runs Should Be Kept Like Code
• Oct 18The CodeInstances File Format Is Open JSON With a SHA-256 ID
• Oct 18How to Upgrade a Dependency With CodeInstances Replaying Real Runs
• Oct 18How to Replay the AI Agent Run That Did Something Odd Last Night
• Oct 18How to Develop Against a Metered or Rate Limited API With CodeInstances
• Oct 18How CodeInstances Was Tested Before Its First Release
• Oct 18How CodeInstances Keeps the Failing Run of a Flaky CI Test
• Oct 18How a Bug Report Can Arrive as a Runnable CodeInstances File
• Oct 18CodeInstances Shrinks a Failing Run to the Answer That Breaks It and Keeps It as a Test
• Oct 18CodeInstances Now Compares Two Runs and Shows Where the Failing One Went Wrong
• Oct 18CodeInstances Launches as an Open Source Tool That Keeps Program Runs and Replays Them
• Oct 18CodeInstances Groups Failing Runs by Fingerprint So Repeats of One Bug Show as One
• Oct 18CodeInstances Forks a Run at Any Step, to Run On Live or Try a What-If Answer
• Oct 18CodeInstances Adds a Self-Hosted Store, Push and Pull by ID, and Bug Reports That Reproduce