Show HN: AgentTM – A time-travel debugger for AI coding agents built in Go

Category: devtools

Tags: ai-agents, debugging, time-travel, sqlite, codex, cli, observability

Score: 6.3/10 (Innovation: 6, Technical: 7, Documentation: 7, Utility: 5)

AgentTM is a Go CLI that records and replays AI coding agent sessions (specifically Codex) with checkpoints, historical file inspection, diffs, and isolated worktree forks. It provides a time-travel debugger UI for reviewing and restoring workspace states, addressing observability and reproducibility for agent-driven development.

Target audience: AI developers, backend engineers using coding agents, DevOps engineers

Repository: https://github.com/Jyotishmoy12/AgentTM · Go

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