ai-sdk-core

Backend AI with Vercel AI SDK v5 - text generation, structured output, tools, and agents.

Auto-Trigger Keywords

This skill should be discovered when working with:

Primary Keywords (High Priority)

• ai sdk core, vercel ai sdk, ai sdk v5
• generateText, streamText, generate text ai
• generateObject, streamObject, structured ai output
• ai sdk node, ai sdk server, ai sdk backend
• zod ai schema, zod ai validation
• ai tools calling, ai agent class, agent with tools
• openai sdk, anthropic sdk, google gemini sdk
• multi-provider ai, ai provider switching

Secondary Keywords (Medium Priority)

• ai streaming backend, stream ai responses
• ai server actions, nextjs ai server
• cloudflare workers ai sdk, workers-ai-provider
• ai sdk migration, v4 to v5 migration
• ai chat completion, llm text generation
• ai sdk typescript, typed ai responses
• stopWhen ai sdk, multi-step ai execution
• dynamic tools ai, runtime tools ai

Error Keywords (Discovery on Errors)

• AI_APICallError, ai api call error
• AI_NoObjectGeneratedError, no object generated
• AI_LoadAPIKeyError, ai api key error
• AI_InvalidArgumentError, invalid argument ai
• AI_TypeValidationError, zod validation failed
• AI_RetryError, ai retry failed
• streamText fails silently, stream error swallowed
• worker startup limit ai sdk, 270ms startup
• ai rate limit, rate limiting ai
• maxTokens maxOutputTokens, v5 breaking changes
• providerMetadata providerOptions, tool inputSchema
• ToolExecutionError removed, tool-error parts

Framework Keywords

• nextjs ai sdk, next.js server actions ai
• cloudflare workers ai integration
• node.js ai sdk, nodejs llm
• vercel ai deployment, serverless ai

Provider Keywords

• openai integration, gpt-4 api, chatgpt api
• anthropic claude, claude api integration
• google gemini api, gemini integration
• cloudflare llama, workers ai llm

What This Skill Provides

• 4 Core Functions: generateText, streamText, generateObject, streamObject
• Top 4 Providers: OpenAI, Anthropic, Google, Cloudflare Workers AI
• Tool Calling & Agents: Multi-step execution with tools
• v4→v5 Migration: Complete breaking changes guide
• Top 12 Errors: Common issues with solutions
• 13 Templates: Copy-paste examples
• 5 Reference Docs: Detailed guides
• Production Patterns: Best practices for deployment

Quick Links

• Official Docs: https://ai-sdk.dev/docs
• Migration Guide: https://ai-sdk.dev/docs/migration-guides/migration-guide-5-0
• Error Reference: https://ai-sdk.dev/docs/reference/ai-sdk-errors
• GitHub: https://github.com/vercel/ai

Installation

npm install ai @ai-sdk/openai @ai-sdk/anthropic @ai-sdk/google zod

Usage

See SKILL.md for comprehensive documentation and examples.

Version

• Skill Version: 1.1.1
• AI SDK Version: 5.0.95+
• Last Updated: 2025-11-19

Recent Updates (v1.1.1 - 2025-11-19)

• Updated Package Versions: AI SDK 5.0.95, @ai-sdk/anthropic 2.0.45, @ai-sdk/openai 2.0.68, @ai-sdk/google 2.0.38
• Updated Template Models: anthropic-setup.ts and openai-setup.ts now use latest model IDs
  • Claude: Sonnet 4.5, Opus 4.0, Haiku 4.5 (deprecated Claude 3.x models as commented examples)
  • OpenAI: GPT-5.1, GPT-5-Pro, GPT-4.1, o3 reasoning model (previous gen as comments)
• Added Metadata: YAML frontmatter now includes version tracking and last_verified date
• Zod 3.x for Compatibility: Templates use Zod 3.23.8 for maximum compatibility (AI SDK supports both 3.x and 4.x)

Previous Updates (v1.1.0 - 2025-10-29)

• Updated Model Names: Claude 4.x (Sonnet 4.5, Opus 4), GPT-5, Gemini 2.5 models now GA
• Zod 4 Support Documented: AI SDK 5 supports both Zod 3.x and 4.x (4.1.12 latest)
• Issue #4726 Resolved: streamText now has onError callback (fixed in v4.1.22)
• Deprecated Claude 3.x: Anthropic deprecated Claude 3.x models in favor of Claude 4.x family

License

MIT