Vaultfire Protocol — The Trust Standard for AI Agents
Description: On-chain identity, reputation, and economic accountability for AI agents. Deployed on Base, Avalanche, Arbitrum, and Polygon.

On-chain Trust Protocol

# VAULTFIRE

The Trust Standard for AI Agents

On-chain identity, reputation, and economic accountability.
Deployed on Base · Avalanche · Arbitrum · Polygon.

Get Started
View on GitHub
63 Smart Contracts across 4 chains
11 NPM Packages ready to install
4 Mainnet Chains live today
25+ GitHub Repos open source
Quickstart

## Get Started in 60 Seconds

1

### Install

    npm install @vaultfire/langchain

2

### Import

    import { createVaultfireTools } from '@vaultfire/langchain';

3

### Use

    const tools = createVaultfireTools({ chain: 'base' });

Integrations

## Choose Your Framework

### LangChain / LangGraph

`@vaultfire/langchain`

    import { createVaultfireTools } from '@vaultfire/langchain';

    const tools = createVaultfireTools({ chain: 'base' });

    // Pass to createReactAgent, AgentExecutor, etc.

### MCP (Claude, Copilot, Cursor)

`@vaultfire/mcp-server`

    {
      "mcpServers": {
        "vaultfire": {
          "command": "npx",
          "args": ["@vaultfire/mcp-server"]
        }
      }
    }

### CrewAI

`vaultfire-crewai`

    from vaultfire_crewai import vaultfire_verify_agent

    agent = Agent(tools=[vaultfire_verify_agent])

### OpenAI Agents SDK

`@vaultfire/openai-agents`

    import { createVaultfireTools } from '@vaultfire/openai-agents';

    const agent = new Agent({ tools: createVaultfireTools() });

### Vercel AI SDK

`@vaultfire/vercel-ai`

    import { createVaultfireTools } from '@vaultfire/vercel-ai';

    const result = await generateText({ tools: createVaultfireTools() });

### Direct SDK

`@vaultfire/agent-sdk`

    import { VaultfireClient } from '@vaultfire/agent-sdk';

    const client = new VaultfireClient({ chain: 'base' });

Architecture

## How Trust Works

### Register

Agent gets on-chain identity (ERC-8004)

### Bond

Stake value as commitment (AI Partnership Bonds)

### Verify

Any agent can check trust on-chain

### Score

Street Cred: 0–95 composite score

### Street Cred Breakdown

Identity30 pts
Has Bond25 pts
Active Bond15 pts
Bond Tier20 pts
Multiple Bonds5 pts
🥉 Bronze 20+
🥈 Silver 40+
🥇 Gold 60+
💎 Platinum 80+
Philosophy

## Why Bonds > Scores

Feature | Vaultfire Bonds | Trust Scores
--- | --- | ---
Skin in the game | ✓ Real economic stake | ✗ None
Manipulation resistant | ✓ Economic cost to fake | ✗ Easy to game
Verifiable | ✓ On-chain, trustless | ✗ Centralized API
Cross-chain | ✓ 4 chains, day one | ✗ Single provider
Accountability | ✓ Bond at risk on failure | ✗ Score drops

Infrastructure

## Deployed Contracts

63 smart contracts across 4 mainnet chains. All verified and open source.

Primary Hub
Identity 0x35978DB675576598F0781dA2133E94cdCf4858bC
Partnership 0x01C479F0c039fEC40c0Cf1c5C921bab457d57441
Accountability 0x6750D28865434344e04e1D0a6044394b726C3dfE
Reputation 0xdB54B8925664816187646174bdBb6Ac658A55a5F
Bridge 0x94F54c849692Cc64C35468D0A87D2Ab9D7Cb6Fb2
VNS 0x1437c4081233A4f0B6907dDf5374Ed610cBD6B25
Identity 0x57741F4116925341d8f7Eb3F381d98e07C73B4a3
Partnership 0xDC8447c66fE9D9c7D54607A98346A15324b7985D
Accountability 0x376831fB2457E34559891c32bEb61c442053C066
Reputation 0x11C267C8A75B13A4D95357CEF6027c42F8e7bA24
Bridge 0x0dF0523aF5aF2Aef180dB052b669Bea97fee3d31
Identity 0x6298c62FDA57276DC60de9E716fbBAc23d06D5F1
Partnership 0xdB54B8925664816187646174bdBb6Ac658A55a5F
Accountability 0xef3A944f4d7bb376699C83A29d7Cb42C90D9B6F0
Reputation 0x8aceF0Bc7e07B2dE35E9069663953f41B5422218
Bridge 0xe2aDfe84703dd6B5e421c306861Af18F962fDA91
VNS 0x247F31bB2b5a0d28E68bf24865AA242965FF99cd
Identity 0x6298c62FDA57276DC60de9E716fbBAc23d06D5F1
Partnership 0x83dd216449B3F0574E39043ECFE275946fa492e9
Accountability 0xdB54B8925664816187646174bdBb6Ac658A55a5F
Reputation 0x8aceF0Bc7e07B2dE35E9069663953f41B5422218
Bridge 0xe2aDfe84703dd6B5e421c306861Af18F962fDA91
VNS 0x247F31bB2b5a0d28E68bf24865AA242965FF99cd

Deployer: 0xfA15Ee28939B222B0448261A22156070f0A7813C

Ecosystem

## Full Package Ecosystem

Package | Type | Description
--- | --- | ---
`@vaultfire/agent-sdk` | npm | Core agent registration and bond SDK
`@vaultfire/langchain` | npm | LangChain/LangGraph integration
`@vaultfire/mcp-server` | npm | MCP server for Claude, Copilot, Cursor
`@vaultfire/crewai` | pip | CrewAI multi-agent trust tools
`@vaultfire/openai-agents` | npm | OpenAI Agents SDK integration
`@vaultfire/vercel-ai` | npm | Vercel AI SDK trust middleware
`@vaultfire/a2a` | npm | A2A Agent Card enrichment
`@vaultfire/enterprise` | npm | Enterprise IAM bridge (Okta/Azure AD)
`@vaultfire/x402` | npm | HTTP 402 payment channels
`@vaultfire/xmtp` | npm | XMTP agent messaging
`@vaultfire/vns` | npm | Vaultfire Name Service

Interactive

## Trust Checker

Check any agent's trust status by querying live on-chain data.

Agent Address
Chain

Enter an agent address to check its on-chain trust status