$ GET /integrations
8 framework adapters.
One surface underneath.
Zero-dependency npm packages that turn the catalog into native tool objects for your stack - payment handled underneath (proof-of-work for free tools, USDC via x402 for paid).
OpenAI
Function-calling tools for chat.completions - pass tools, call execute on a tool_call.
agent402-openai-toolsAnthropic
Messages API tool_use blocks - native tool objects with auto-payment.
agent402-anthropic-toolsVercel AI SDK
Drop into streamText / generateText.
agent402-ai-sdkLangChain JS
Tool objects for LangChain & LangGraph agents.
agent402-langchainLlamaIndex TS
Native FunctionTool wrappers for LlamaIndex agents.
agent402-llamaindexGoogle ADK
Tools for Gemini agents on the Agent Development Kit.
agent402-google-adkAWS Strands
Native tool objects for the Strands agent runtime.
agent402-strandsMCP (any client)
Hosted connector or npx agent402-mcp - Claude, and any MCP client.
agent402-mcp// same shape everywhere
Install, get tools, pass them in.
# pick your stack npm install agent402-openai-tools import { agent402Tools } from "agent402-openai-tools"; const { tools, execute } = await agent402Tools({ slugs: ["extract","hash","render"] }); // pass tools to openai.chat.completions.create({ tools }) // call execute(name, args) on a tool_call. payment handled underneath.
all 8 adapters share the surface: zero-dep, native tool objects, non-custodial payment underneath.
Wire it into your framework.
zero-dep · non-custodial · proof-of-work or USDC