Show HN: Agent-historian – let your AI agent search its own past sessions

Category: devtools

Tags: ai-agents, cli-tool, developer-tools, history-search, typescript

Score: 6.5/10 (Innovation: 6, Technical: 6, Documentation: 8, Utility: 6)

Agent-historian is a CLI tool and agent skill that enables AI coding agents to search and read their past session transcripts using lexical matching, without any external dependencies or indexing. Its novel progressive-disclosure workflow and cross-agent support fill a practical gap in agent statelessness, offering a lightweight complement to memory or RAG systems.

Target audience: backend devs, AI agent users, devops

Repository: https://github.com/adlternative/agent-historian · TypeScript · MIT

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