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$ 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-tools
Anthropic
Messages API tool_use blocks - native tool objects with auto-payment.
agent402-anthropic-tools
Vercel AI SDK
Drop into streamText / generateText.
agent402-ai-sdk
LangChain JS
Tool objects for LangChain & LangGraph agents.
agent402-langchain
LlamaIndex TS
Native FunctionTool wrappers for LlamaIndex agents.
agent402-llamaindex
Google ADK
Tools for Gemini agents on the Agent Development Kit.
agent402-google-adk
AWS Strands
Native tool objects for the Strands agent runtime.
agent402-strands
MCP (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

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