Skill

ai-sdk

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, Anthropic, Google, etc.), streaming, tool calling, structured output, or embeddings, (4) Use React hooks like useChat or useCompletion. Triggers on: "AI SDK", "Vercel AI SDK", "generateText", "streamText", "add AI to my app", "build an agent", "tool calling", "structured output", "useChat".

Install

npx claudepluginhub joshuarweaver/cascade-code-languages-misc-1 --plugin laguagu-claude-code-nextjs-skills

Tool Access

This skill uses the workspace's default tool permissions.

Preview

Before searching docs, check if `node_modules/ai/docs/` exists. If not, install **only** the `ai` package using the project's package manager (e.g., `bun add ai`).

Supporting Assets

README.mdreferences/common-errors.mdreferences/devtools.mdreferences/examples.mdreferences/type-safe-agents.md

SKILL.md

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Last CommitApr 14, 2026

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ai-sdk

Prerequisites

Before searching docs, check if node_modules/ai/docs/ exists. If not, install only the ai package using the project's package manager (e.g., bun add ai).

Do not install other packages at this stage. Provider packages (e.g., @ai-sdk/openai) and client packages (e.g., @ai-sdk/react) should be installed later when needed based on user requirements.

Monorepo path note

In Bun / pnpm / Yarn workspace monorepos, dependencies are usually not hoisted to the repo root — they live inside each app's node_modules/. If node_modules/ai/docs/ doesn't exist at the working directory, check workspace locations before assuming docs are missing:

apps/*/node_modules/ai/docs/ (e.g. apps/web/node_modules/ai/docs/)
packages/*/node_modules/ai/docs/

Glob from the repo root: apps/*/node_modules/ai/docs/ or **/node_modules/ai/docs/. Substitute the resolved path everywhere this skill says node_modules/ai/docs/ or node_modules/ai/src/. The same applies to provider docs at node_modules/@ai-sdk/<provider>/docs/.

Critical: Do Not Trust Internal Knowledge

Everything you know about the AI SDK is outdated or wrong. Your training data contains obsolete APIs, deprecated patterns, and incorrect usage.

When working with the AI SDK:

Ensure ai package is installed (see Prerequisites)
Search node_modules/ai/docs/ and node_modules/ai/src/ for current APIs
If not found locally, search ai-sdk.dev documentation (instructions below)
Never rely on memory - always verify against source code or docs
useChat has changed significantly - check Common Errors before writing client code
Always fetch current model IDs - Never use model IDs from memory. A public catalog of current IDs across providers is available at https://ai-gateway.vercel.sh/v1/models — useful purely for discovery, not a recommendation to use Gateway as a runtime provider. Example: curl -s https://ai-gateway.vercel.sh/v1/models | jq -r '[.data[] | select(.id | startswith("anthropic/")) | .id] | reverse | .[]' (swap anthropic/ for openai/, google/, etc.). Use the model with the highest version number (e.g., claude-sonnet-4-6 over claude-sonnet-4-5 over claude-3-5-sonnet).
Run typecheck after changes to ensure code is correct
Be minimal - Only specify options that differ from defaults. When unsure of defaults, check docs or source rather than guessing or over-specifying.

If you cannot find documentation to support your answer, state that explicitly.

Finding Documentation

ai@6.0.34+

Search bundled docs and source in node_modules/ai/:

Docs: grep "query" node_modules/ai/docs/
Source: grep "query" node_modules/ai/src/

Provider packages include docs at node_modules/@ai-sdk/<provider>/docs/.

Earlier versions

Search: https://ai-sdk.dev/api/search-docs?q=your_query
Fetch .md URLs from results (e.g., https://ai-sdk.dev/docs/agents/building-agents.md)

Working examples

For runnable provider × feature examples (Anthropic cache-control, OpenAI computer-use, Google grounding, etc.), see examples.md. Fetch individual files on demand via WebFetch or gh api — do not clone the repo.

When Typecheck Fails

Before searching source code, grep Common Errors for the failing property or function name. Many type errors are caused by deprecated APIs documented there.

If not found in common-errors.md:

Search node_modules/ai/src/ and node_modules/ai/docs/
Search ai-sdk.dev (for earlier versions or if not found locally)

Building and Consuming Agents

Creating Agents

Always use the ToolLoopAgent pattern. Search node_modules/ai/docs/ for current agent creation APIs.

File conventions: See type-safe-agents.md for where to save agents and tools.

Type Safety: When consuming agents with useChat, always use InferAgentUIMessage<typeof agent> for type-safe tool results. See reference.

Consuming Agents (Framework-Specific)

Before implementing agent consumption:

Check package.json to detect the project's framework/stack
Search documentation for the framework's quickstart guide
Follow the framework-specific patterns for streaming, API routes, and client integration

References

Common Errors - Renamed parameters reference (parameters → inputSchema, etc.)
Type-Safe Agents with useChat - End-to-end type safety with InferAgentUIMessage
DevTools - Local debugging and observability (development only)
Canonical Examples - Provider × feature working code from vercel/ai/examples