🔧 One layer above your AI tools. Your AI coding tools are brilliant. Managing them is a mess. :electron: Cradle is the command center that coordinates all of them.
Skill Claude CodeCodex
Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web apps, or automating any browser task. Triggers include requests to "open a website", "fill out a form", "click a…
Skill Claude CodeCodex
Three axioms everything else derives from.
Skill Claude CodeCodex
Answer questions about the AI SDK and help build AI-powered features. Use when developers: (1) Ask about AI SDK functions like generateText, streamText, ToolLoopAgent, embed, or tools, (2) Want to build AI agents, chatbots, RAG systems, or text generation features, (3) Have questions about AI providers (OpenAI…
Skill Claude CodeCodex
Query PostHog product analytics with read-only HogQL, explore anonymous user activity and journeys, model feature adoption and cross-feature behavior, audit instrumentation quality, and turn evidence into product hypotheses. Use when Codex needs to answer whether a product still has users, what users do before or…
Skill Claude CodeCodex
Collect changes since last release and write a changelog entry.
Skill Claude CodeCodex
Use when modifying Cradle packages/cli, the OpenAPI-to-CLI generator, generated command runtime, output formats, command registration, or validation workflow for the generated Cradle CLI.
Skill Claude CodeCodex
Refresh and assess every Cradle Chat Runtime SDK integration through the manual GitHub workflow: Claude Agent SDK, vendored Codex runtime/app-server protocol, and Kimi Web OpenAPI/AsyncAPI snapshots. Use when asked to update or inspect these SDKs/protocols, trigger their update PR, wait for the generated PR and CI…
Skill Claude CodeCodex
Create backend with ElysiaJS, a type-safe, high-performance framework.
Skill Claude CodeCodex
This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.
Skill Claude CodeCodex
Design engineering principles for making interfaces feel polished. Use when building UI components, reviewing frontend code, implementing animations, hover states, shadows, borders, typography, micro-interactions, enter/exit animations, or any visual detail work. Triggers on UI polish, design details, "make it feel…
Skill Claude CodeCodex
Implement, upgrade, or audit a native Cradle Chat Runtime provider backed by a local process, REST/WebSocket protocol, or provider-specific agent SDK. Use when adding a runtime like Kimi, Codex, Claude Agent, OpenCode, or another provider that needs generated protocol bindings, target-scoped process lifecycle…
Skill Claude CodeCodex
Trigger the @cradleapp/plugin-sdk npm release workflow and monitor it with Cradle.
Skill Claude CodeCodex
Trigger the public desktop release workflow and monitor it with Cradle.
Skill Claude CodeCodex
Use when modifying Cradle apps/server Elysia modules, adding or changing HTTP routes, TypeBox schemas, OpenAPI details, x-cradle-cli command metadata, module README files, server-side capability ownership, or server-owned downloads and artifact installation flows.
Skill Claude CodeCodex
Production-ready CSS transitions for web apps. Use when implementing notification badges, dropdowns, modals, panel reveals, page transitions, card resizes, number pop-ins, text swaps, icon swaps, success checks, avatar group hovers, or error state shakes. Triggers on "add a transition", "animate the dropdown", "make…
Skill Claude CodeCodex
UI/UX best practices for web interfaces. Use when reviewing animations, CSS, audio, typography, UX patterns, prefetching, or icon implementations. Covers 11 categories from animation principles to typography. Outputs file:line findings.
Skill Claude CodeCodex
Cradle visual language contract. Read CHEATSHEET.md before every UI task. Use for mockups, components, handoff, and token audits.
Skill Claude CodeCodex
Control Cradle's in-app browser via MCP tools. Use when the Claude Agent needs to navigate websites, click elements, type text, take screenshots, read page content, or inspect DOM structure within the Cradle desktop app's embedded browser panel. Triggers on "open URL", "navigate to", "click the button", "fill the…
Skill Claude CodeCodex
Use the Nowledge Mem MCP tools registered by Cradle for Working Memory, Context Bundle, durable memory recall, explicit memory writes, and conversation thread lookup or capture. Invoke as /cradle-plugin-nowledge-mem when a task needs prior Nowledge context or a durable memory update.
Skill Claude CodeCodex
Use when creating or updating Cradle Agent Artifacts via writeartifact — interactive JSX dashboards, audits, review boards, charts, and tables rendered beside chat. Prefer this over dumping structured UI as markdown. Covers cradle/artifact imports, export default, component inventory, artifactId reuse, and…
Skill Claude CodeCodex
Use whenever you need to read, inspect, wait on, or mutate Cradle-owned state or workflows, including issues, delegation, sessions, awaits, CI/review waits, timed waits, Work inspection, workspaces and git inspection, Chronicle, automations, usage, observability, skills, agents, profiles, providers, preferences…
Skill Claude CodeCodex
Debug Cradle local observability data by querying SQLite events/incidents/timeline, runtime snapshots, metrics, and server logs.
Skill Claude CodeCodex
Create, develop, debug, install, or update Cradle plugins built with @cradleapp/plugin-sdk. Use for Cradle server, web, or desktop plugin packages and Agent-authored personal plugins. Do not use for Codex .codex-plugin packages or one-off Cradle Artifacts.