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Agent Development · Typescript / AGENT SKILL
deepagents-typescript-quickstart
0
Scaffold a minimal local Deep Agent in TypeScript with provider-native web search.
Scaffold a minimal local Deep Agent in TypeScript by following the official quickstart, using provider-native web search instead of Tavily. Use when the user wants to quickly build or try a Deep Agent locally.
Understand the trade-offs.
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The full skill.
Original instructions from the publisher’s SKILL.md
# Deep Agents TypeScript quickstart
Follow the live docs — do not invent an alternate API from memory:
**https://docs.langchain.com/oss/javascript/deepagents/quickstart**
Fetch that page (Docs MCP or HTTP) and implement the research-agent shape it shows (`createDeepAgent`, research system prompt, invoke with a research question like “What is LangGraph?”). Requires Node 22+.
## Local setup constraints
Apply these on top of the quickstart (they keep setup minimal and model-agnostic):
1. **Ask** which provider/model to use. Showcase that Deep Agents are model-agnostic. Suggested prompt:
> Which model should this agent use? Pass a `provider:model` string — e.g. `openai:gpt-5.5`, `anthropic:claude-sonnet-5`, `google-genai:gemini-3.5-flash`. Default if you're unsure: **`anthropic:claude-sonnet-5`**.
> We'll use that provider's built-in web search (no separate search API key).
2. Create a **new** directory (e.g. `deep-agent/`) and do all work there — do not pollute the open project.
3. **Do not use Tavily** (or `@langchain/tavily`). Replace the quickstart's search tool with the chosen provider's built-in web search. Look up the current export/tool shape on that provider's LangChain docs (examples as of writing — re-check if needed):
| Provider | Built-in search tool |
|----------|----------------------|
| Anthropic | `@langchain/anthropic` `tools.webSearch_*()` (or equivalent dict) |
| OpenAI | `{ type: "web_search" }` |
| Google | `{ google_search: {} }` |
Prefer Anthropic / OpenAI / Google so provider search is available. Only secret: that provider's API key in `.env` (gitignored). Skip LangSmith tracing unless they ask.
4. Install packages from the quickstart **minus** Tavily; add the provider package for their model.
5. Run the research example, show output, then stop. Point to `deep-agents-core` / customization / Managed Deep Agents for next steps.