Overview
Veyyon is a local terminal coding agent. The loop, tools, and credentials run locally on the host machine. Model selection uses the bundled provider catalog via subscription sign-in or API keys.
Subsystem summary
| Area | Capability |
|---|---|
| Edits | Hashline edit and write, checked against file contents before writing to disk |
| Tools | read, search, bash, LSP, DAP, browser, MCP, task agents, and extensions |
| Approvals | tools.approvalMode sets which of the read, write, and exec tiers prompt before running |
| Models | Separate slots for interactive, agent, compaction, and per-feature helper models per profile |
| Sessions | Branchable session trees with resume and fork support |
| Memory | Local SQLite memory backends, active when memory.backend is not off |
| Config | ~/.veyyon or profile-specific agent directories; repository trees contribute AGENTS.md instructions |
Lineage
Veyyon is built from oh-my-pi and Pi. See Acknowledgements for credits.