# Use with your framework: lordevo-x402 SDK guides

Ready-made tool sets for common agent frameworks, built on the `lordevo-x402` package (npm and PyPI, 0.1.5 or later). Each guide has the install line, the tools it gives your agent, a runnable example and the files to copy. No account and no API key: calls are paid per call with x402 (USDC on Base), and the free trial is used first where the shop offers it. Instant tools that fail or are refused are not charged.

- [LangChain (JavaScript)](https://shop.lordevo.com/guides/sdk/langchain-js) Markdown: https://shop.lordevo.com/guides/sdk/langchain-js.md
- [LangChain (Python)](https://shop.lordevo.com/guides/sdk/langchain-python) Markdown: https://shop.lordevo.com/guides/sdk/langchain-python.md
- [CrewAI](https://shop.lordevo.com/guides/sdk/crewai) Markdown: https://shop.lordevo.com/guides/sdk/crewai.md
- [LlamaIndex](https://shop.lordevo.com/guides/sdk/llamaindex) Markdown: https://shop.lordevo.com/guides/sdk/llamaindex.md
- [OpenAI Agents SDK (JavaScript)](https://shop.lordevo.com/guides/sdk/openai-agents-js) Markdown: https://shop.lordevo.com/guides/sdk/openai-agents-js.md
- [OpenAI Agents SDK (Python)](https://shop.lordevo.com/guides/sdk/openai-agents-python) Markdown: https://shop.lordevo.com/guides/sdk/openai-agents-python.md
- [Vercel AI SDK](https://shop.lordevo.com/guides/sdk/vercel-ai-sdk) Markdown: https://shop.lordevo.com/guides/sdk/vercel-ai-sdk.md
- [MCP clients: Claude Desktop, Cursor, Cline, Windsurf](https://shop.lordevo.com/guides/sdk/mcp-clients) Markdown: https://shop.lordevo.com/guides/sdk/mcp-clients.md

Prefer no SDK? The hand-written guides at https://shop.lordevo.com/guides make the same calls with a small x402 helper.

Install: `npm i lordevo-x402` (JavaScript) or `pip install lordevo-x402` (Python). Prices per call: https://shop.lordevo.com/catalog.json. The HTTP 402 answer is always the final word on price.