postbag vs AI Sessions

Two local coding-agent sessions, Claude Code or Codex, write letters to each other through each agent's native input. CLI and MCP tools, stdlib core, no daemon.

Provides unified access to local AI assistant CLI session histories from Claude Code, Gemini CLI, and OpenAI Codex with tools for listing, browsing, searching, and retrieving session transcripts across different storage formats for finding past solutions and resuming interrupted coding sessions.

MCP Servers

CLI Tools

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