postbag vs presence

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.

Per-repo memory, outcome telemetry, and a calibrated-confidence gate for Claude Code, with MCP and AGENTS.md projections so other AI coding tools can read its context. Notes survive sessions; success claims need test evidence; your reverts are remembered. Local-only, stdlib runtime.

MCP Servers

MCP Servers

6

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9

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