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overplane

v0.0.8

Published

Overplane CLI - evolve verified software. Installs the native Go binary from GitHub releases.

Downloads

1,075

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Links

Git

Maintainers

mayanklahirimayanklahiri

Keywords

Readme

Overplane

ci release npm Go license

Spec-driven builds with sandboxed AI coding agents.

Get started at www.overplane.dev →

Write numbered specs, then overplane build: each spec is raised to a formal IR checked with Z3, and code is generated by a CLI coding agent of your choice running in an ephemeral container sandbox, with per-step cost and token reporting.

Install

npm install -g overplane        # npm wrapper (downloads the release binary)
go install github.com/overplane/overplane/cmd/overplane@latest

Or grab a signed binary for your platform from the download page, the npm package, or the latest release. Requires Docker (Buildx ≥ 0.13) or Podman 5.x for sandboxed builds.

Documentation

| Section | What's there | Jump to | | ------- | ------------ | ------- | | Getting started | Zero-to-first-build walkthrough | requirements · install · first spec · build | | CLI reference | Every command, flag, and exit code | global flags | | Configuration | The overplane.yaml schema, field by field | | | Sandbox & agents | Container images, mounts, and agent wiring | supported agents · mounts · image recipes | | Spec format | Numbered Markdown specs + YAML frontmatter | | | Examples | Real projects built by agents, with cost benchmarks | | | Overview | What Overplane is, in five reading styles | | | Download | Binaries for all platforms, checksums, cosign | |

Supported agents

overplane agent drives four CLI coding agents headlessly behind one vendor-agnostic abstraction; see the Agent reference.

| Agent | Binary | Auth env | Cost source | | ----- | ------ | -------- | ----------- | | Claude Code | claude | ANTHROPIC_API_KEY | reported | | OpenAI Codex | codex | CODEX_API_KEY / OPENAI_API_KEY | computed | | Google Gemini CLI | gemini | GEMINI_API_KEY | computed | | OpenCode | opencode | OPENROUTER_API_KEY | reported |

Default OpenCode model: openrouter/z-ai/glm-5.2 (GLM-5.2 via OpenRouter).

Gemini stays on the headless Gemini CLI; Antigravity is deferred (browser-OAuth, no headless mode as of 2026-06). Cost is reported by the backend where available, else computed from an advisory per-model price table.