# Vaultfire Protocol

**Canonical:** https://apis.io/providers/theloopbreaker-com/  
**Website:** https://theloopbreaker.com/  
**APIs profiled:** 2

Vaultfire Protocol (theloopbreaker.com) is on-chain trust infrastructure for AI agents — "KYA, Know Your Agent". It runs 134 smart contracts across Base, Avalanche, Arbitrum and Polygon for ERC-8004 agent identity, verifiable reputation (Street Cred), partnership and accountability bonds, a USDC task-escrow marketplace, VNS agent names, key delegation (VKP), ZK trust attestations and a cross-chain trust bridge. Its public Agent Hub API exposes 34 free REST operations (OpenAPI 3.1) that read those contracts and return unsigned transactions for the caller to sign, plus 77 x402-priced endpoints paid per call in USDC, an 18-skill A2A agent card, llms.txt, agents.txt, a published Agent Skill and a stdio MCP server on npm.

## Kin Score — 53.0 / 100 (developing)

Scored 2026-10-04 under rubric 0.23.0. Trend: flat (-2.0 from 55.0).

| Facet | Score |
|---|---|
| Discoverability | 71.7 |
| Contract Quality | 49.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 60.5 |
| Developer Ergonomics | 59.5 |
| Access Clarity | 52.6 |

Regulatory layer — **Payments**: 31.3 (matched via tags).

## Agent readiness — 39.7 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | documented |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | yes |
| Agent Skills | yes |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | conformant |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (18)

- **Vaultfire Trust Service (x402)** — The priced projection of the same trust surface: 77 endpoints under /api/x402/* (29 priced GET reads, 46 priced POST transaction-preparation actions, 2 free) paid per call in US...
- **Vaultfire Protocol Agent API** — Agent identity and trust profiles
- **Vaultfire Protocol Analytics API** — Agent performance analytics
- **Vaultfire Protocol Bonds API** — Partnership and accountability bonds
- **Vaultfire Protocol Bridge API** — Cross-chain trust sync
- **Vaultfire Protocol Compliance API** — Mission enforcement, privacy, validation
- **Vaultfire Protocol Discovery API** — Agent directory and search
- **Vaultfire Protocol Disputes API** — Dispute resolution
- **Vaultfire Protocol Governance API** — Multisig governance
- **Vaultfire Protocol Identity API** — VNS naming service
- **Vaultfire Protocol Insurance API** — Bond insurance pool
- **Vaultfire Protocol Keys API** — Vaultfire Key Protocol — session keys, delegation, wallets
- **Vaultfire Protocol Protocol API** — Protocol-wide stats and contracts
- **Vaultfire Protocol Routing API** — Task routing and matching
- **Vaultfire Protocol System API** — Health and system status
- **Vaultfire Protocol Tasks API** — Task marketplace with USDC escrow
- **Vaultfire Protocol Trust API** — Reputation, vouching, credentials, oracles
- **Vaultfire Protocol Webhooks API** — Event subscriptions

## MCP servers (1)

- **Vaultfire Protocol MCP Server** — Vaultfire ships an official MCP server as the npm package @vaultfire/mcp-server (bin vaultfire-mcp-server), a local stdio server that reads the four chains over JSON-RPC with et...

## Security (3)

- **Theloopbreaker Com Authentication** — none/erc-8128-http-signature/x402-payment/wallet-signature · 5 schemes
- **Theloopbreaker Com Domain Security** — TLSv1.3 · HSTS
- **Theloopbreaker Com Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Theloopbreaker Com Plans Pricing**

## Tags

AI Agents, Agent Identity, Trust, Reputation, Blockchain, Web3, Payments, x402, MCP, A2A, Company

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/theloopbreaker-com/). Scores are computed from the provider's own public artifacts under a published rubric.