# Web4 Agent Protocol

> An open standard for AI agents to act, not just aggregate data. It counters web traffic loss from LLM chatbots by enabling secure user purchases, revitalizing the digital economy with on-chain microtransactions. Simple integration reuses existing REST APIs with OpenAPI protocol.

- **Type:** MCP server
- **Install:** `agentstack add mcp-jtone123-web4-agent-protocol`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [JTOne123](https://agentstack.voostack.com/s/jtone123)
- **Installs:** 0
- **Category:** [AI & ML](https://agentstack.voostack.com/c/ai-and-ml)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [JTOne123](https://github.com/JTOne123)
- **Source:** https://github.com/JTOne123/web4-agent-protocol

## Install

```sh
agentstack add mcp-jtone123-web4-agent-protocol
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Welcome to the Web4 Agent Protocol Wiki

> Universal REST API MCP with built-in authentication and payments

# !!! DRAFT !!! TBD

**The Web4 Agent Protocol redefines the user-web interface.** It is a forward-looking, open standard designed to create a new, symbiotic relationship between users, their AI Agents (powered by LLMs), and the open web.

### The Problem

Modern LLMs are powerful, but they often act as a barrier between users and websites. They aggregate information, which is useful, but they lack the ability to perform meaningful **actions** on the user's behalf. This limits their utility and threatens the economic models that support the web's creators.

### The Solution: A New User-Web Experience

The Web4 Agent Protocol integrates with the existing web rather than replacing it, providing a standardized framework for websites to securely expose their core functionality.

This transforms AI Agents from simple information retrievers into powerful personal assistants. A user can now not only _ask_ about flights but also _book_ them, not just read a review but also _buy_ the product—all through a single, secure, conversational interface.

Search engines like Google and Bing can index the public [web4 agent definition file](/docs/Full_Example_Definition_File.md), allowing them to act as an `mcp-client` on the user's behalf. This enables direct interaction with websites through a chatbot or from the search results page.

Envisioned as an evolution—akin to MCP 2.0—for seamless daily web interactions, the protocol will integrate authentication and payment capabilities into the agent's core. This creates a unified experience where the agent securely manages user identity and transactions across services, becoming a trusted assistant for the user's entire web presence.

### Benefits of the Web4 Agent Protocol

- **For Users:** Enjoy a seamless, unified experience. Buy products, book services, and access content from any website through your AI Agent, all while using your existing website accounts securely.
- **For Publishers:** Create new, direct revenue streams through microtransactions and optimized advertising, independent of site traffic. Integration is simplified by placing an intelligent gateway in front of your existing API, not by rewriting it.
- **For Advertisers:** Pay only for verifiably engaged user attention in a transparent, on-chain ecosystem.

### Key Sections

- **Core Concepts**
  - [1. Architecture Overview](/docs/Architecture_Overview.md)
  - [2. Pillar 1: MCP Gateway & Definition](/docs/Pillar_1_MCP_Gateway_and_Definition.md)
  - [3. Pillar 2: Decentralized Authorization](/docs/Pillar_2_Decentralized_Authorization.md)
  - [4. Pillar 3: Native Microtransactions](/docs/Pillar_3_Native_Microtransactions.md)
- **Developer Guides**
  - [5. Implementation (Proof of Concepts)](/docs/Implementation_POC.md)
  - [6. Full Example: Definition File](/docs/Full_Example_Definition_File.md)

## Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [JTOne123](https://github.com/JTOne123)
- **Source:** [JTOne123/web4-agent-protocol](https://github.com/JTOne123/web4-agent-protocol)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/mcp-jtone123-web4-agent-protocol
- Seller: https://agentstack.voostack.com/s/jtone123
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.