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spine

Set of skills, agents, and guardrails to complement the Spine AI platform.

Publisher marketplacespine@kenoxa · marketplace and plugin share one repository (kenoxa/spine)

npx claudepluginhub kenoxa/spine --plugin spine

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What's Inside

Agents5

grader

/grader

Grades eval variant outputs for run-skill-eval. Reads metrics.json from @spine:run-skill-eval:runner, evaluates assertions, writes grading.json.

designer

/designer

Designs eval test cases for run-skill-eval. Generates quality evals and trigger evals for a single skill/agent/instruction unit.

optimizer

/optimizer

Generates optimized skill variants for run-skill-eval. One dispatch per optimization angle. Outputs a single variant file.

reviewer

/reviewer

Craft review for run-skill-eval. Audits skill/agent files against authoring standards. Outputs findings that feed into variation generation.

runner

/runner

Runs calibration + eval execution + metrics extraction for run-skill-eval. Dispatched per eval unit. Outputs structured metrics, not raw stream-json.

Skills1

run-skill-eval

/run-skill-eval

Generate variations, eval all variants (HEAD/working/optimized) via claude CLI, report via @visualizer. Iterate until optimal. Use when: /run-skill-eval, "optimize my skills", "evaluate changed skills", "find the best version", skill quality before committing. Do NOT use for creating new skills (skill-creator), code review (run-review), or one-off skill authoring review (use-skill-craft).

Hooks1

Event Hooks

Bash

File writes

7 hooks across 4 events

Stats

Version1.0.0

LanguageShell

Stars1

MaintenanceFair

LicenseMIT

Last CommitJun 10, 2026

AddedJul 20, 2026

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Available In

kenoxa1

Safety Signals

Caution

Executes bash commands

Hook triggers when Bash tool is used

Modifies files

Hook triggers on file write and edit operations

Uses power tools

Uses Bash, Write, or Edit tools

README

Spine

Same skills, same workflow, every provider.

Spine is a shared AI coding setup for Cursor, Claude Code, Codex, and OpenCode. It gives each tool the same workflow skills, subagents, guardrails, and MCP defaults so you can move between providers without rebuilding your operating model.

Quick Start
What You Get
How Spine Installs
Workflow
Advanced Setup
Troubleshooting And Updates
Contributing
Further Reading

Quick Start

If it's worth changing, it's worth planning.

Install and sign in to the provider tools you want Spine to configure first. Spine does not install provider CLIs for you.

Supported Providers

Provider	CLI	Host	Skills	Subagents	Envoy	Notes
Claude Code	`claude`	Full	Full	Full	Default	Strong planning/review. Opus escalation for high-risk work.
Codex	`codex`	Full	Full	Full	Default	Best current long-horizon coding signal (DeepSWE/GPT-5.5).
Cursor	`cursor-agent`	Full	Full	Partial¹	Default	Best IDE integration. Monthly cap.
OpenCode	`opencode`	Full	Full	Full	Availability-gated	Multi-model gateway. Strong for cost/diversity; weaker DeepSWE coding signal.

¹ Legacy plans ignore subagent model config.

Envoy dispatches cross-provider perspectives during design and review. Default: 3 core providers (claude, codex, cursor) + availability-gated opencode. Override with SPINE_ENVOY_PROVIDERS.

For tier-to-model mappings, pricing, and benchmarks see docs/model-selection.md.

Provider Prerequisites

Cursor

Cursor works with the editor alone. Install the CLI only if you want terminal access to agent commands:

curl https://cursor.com/install -fsS | bash
echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.zshenv
source ~/.zshenv
agent login

Codex

brew install codex
codex login

Codex cross-provider setup

Spine's envoy skill can invoke Claude Code from within a Codex session. On macOS, Codex runs shell commands inside a Seatbelt sandbox that blocks macOS Keychain access. Claude Code stores OAuth credentials in Keychain, so claude auth status fails under the default sandbox.

To enable cross-provider invocation, relax the sandbox in ~/.codex/config.toml:

sandbox_mode = "danger-full-access"
approval_policy = "on-request"          # keeps human-in-the-loop approval

Or per-session via CLI flag:

codex -s danger-full-access

Setting	What it does
`sandbox_mode`	`read-only` (default), `workspace-write`, or `danger-full-access` (disables Seatbelt)
`approval_policy`	`untrusted` (ask every command), `on-failure`, `on-request` (auto within boundaries), `never`

danger-full-access disables the Seatbelt sandbox entirely — shell commands run with full system access. Keep approval_policy = "on-request" so Codex still asks before running unexpected commands.

This is only required for cross-provider envoy (Codex calling Claude). Standard Codex usage and Claude calling Codex work without this change.

Claude Code

curl -fsSL https://claude.ai/install.sh | bash
claude auth login

OpenCode

brew install anomalyco/tap/opencode
opencode providers

OpenCode is a multi-model gateway supporting GLM, MiniMax, and many others. Spine uses two pricing tiers:

Go subscription (opencode-go/ prefix) — included in subscription, free at margin
Free (opencode/ prefix with -free suffix) — zero cost Zen models

See opencode.ai/docs/models for the full model catalog.

Install Spine

curl -fsSL https://raw.githubusercontent.com/kenoxa/spine/main/install.sh | bash

What gets configured

Cursor via ~/.cursor/
Claude Code via the claude CLI on PATH
Codex via the codex CLI on PATH
OpenCode via the opencode CLI on PATH

For Claude Code, the installer also attempts to install the Spine plugin.

Start Using It

Provider setup — autonomous mode and session model

Autonomous mode — skills dispatch subagents that read, write, and run commands without approval prompts. Other modes interrupt this with constant approval requests.

View full README on GitHub

spine

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