cognitedata

cognitedata/builder-skills

Skill Claude Code

MUST be used when migrating an existing React app to Flows, or when no Flows auth is wired up. Detects classic vs Apps API flow from app.json infra field, installs the right packages, and wires up the entry file. No-op when a valid auth setup is already in place. Triggers: migrate to Flows, add Flows auth…

cognitedata/builder-skills

Skill Claude Code

Pyodide Python tools for an already-approved in-app useAtlasChat UI. EOS sidebar Python tools run from agent CDF config — do not vendor Pyodide. Triggers: Pyodide, pythonRuntime, usePyodideRuntime, runPythonCode.

cognitedata/builder-skills

Skill Claude CodeCodex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch for Claude Code or Cursor, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for…

cognitedata/builder-skills

Skill Claude Code

MUST be used whenever fixing test coverage for a Flows app to meet the 80% line coverage hard gate. This skill finds AND fixes coverage gaps — it configures tooling, writes missing tests, covers untested paths, and refactors code for testability. It does not just report. Triggers: test coverage, fix tests, write…

cognitedata/builder-skills

Skill Claude Code

Wires the Aura Topbar (@aura/topbar) into Flows/Fusion apps: breadcrumbs, optional Tabs/Segmented, right strip (Share, notifications, theme, Atlas, user Avatar), light/dark. Atlas opens the EOS sidebar — wire context with integrate-fusion-agent; do not embed a chat UI. Use when adding a topbar, header, breadcrumbs…

cognitedata/builder-skills

Skill Claude Code

Checks how well an app uses Aura, Cognite's design system: what fraction of its components are Aura vs. custom-built, whether any custom components should really have been an existing Aura component, and whether Aura components got styled in ways that break the design system's own rules. Runs fully automatically by…

cognitedata/builder-skills

Skill Claude Code

MUST be used when a Flows/Fusion app needs to read state it was launched with — a deep link, a shareable URL, or startup/bootstrap arguments set by a host embedding the app (e.g. a Flows dashboard widget). Triggers: initialState, connectToHostApp initialState, startup arguments, bootstrap state, initial state, deep…

cognitedata/builder-skills

Skill Claude Code

Canonical Flows technical-review checks and scoring (hunt commands, coverage scope, package audit, public criteria, Must/Should/Nice). Loaded by flows-code-review and by any external review skill. Do not copy these checks into another skill. Do not use this skill to fix code. Use when an orchestrator says to load…

cognitedata/builder-skills

Skill Claude Code

MUST be used when starting a new Flows custom app, especially after Fusion Custom apps Start building (prompt ends with ---Start Building---) or npx @cognite/cli@latest apps skills pull. Owns what the short Fusion prompt leaves out: local HTTPS (apps setup-https), GET token/inspect and appHostingAcl WRITE, the…

cognitedata/builder-skills

Skill Claude Code

Generate a typed client for one CDF data model in a Dune or Flows app, and use it to search, aggregate and query instances with the model's property names and types. Use only when the TyGen alpha flag is explicitly enabled.

cognitedata/builder-skills

Skill Claude Code

MUST be used when a Fusion Custom apps Start building or Build app prompt is in chat and Industrial / Atlas MCP must be connected. Triggers: ---Start Building---, Intent sketch from Fusion Custom apps, createdVia fusion.customApps.buildPrompt, "Industrial MCP for this project", or a Fusion MCP command such as claude…