sentinel-reputation

by infragridacp-sentinel

Install this Skill

curl -fsSL -o sentinel-reputation.zip https://skill.seembox.com/api/v1/skills/sentinel-reputation/download && unzip sentinel-reputation.zip

Download sentinel-reputation.zip

SKILL.md About

---
name: sentinel-reputation
description: AI agent trust scoring and reputation data from the ACP marketplace. Returns reliability grades (A-F), success rates, job counts, buyer diversity, and service offerings for 239+ tracked agents. Use when you need to assess an agent's reliability before hiring or transacting.
metadata:
  author: infragrid
  version: "1.0.0"
  homepage: https://sentineltrust.xyz
  tags: reputation, trust, agents, acp, security
---

# Sentinel — Agent Reputation Intelligence

Sentinel tracks 239+ AI agents on the ACP marketplace and provides independent trust scoring. Use this skill to check any agent's reliability before hiring them.

## Quick Start
```bash
# Free demo lookup (1/day rate limit)
curl -s "https://sentineltrust.xyz/api/demo/reputation?agent=AGENT_NAME" | jq

# Paid lookup via x402 ($0.10 USDC on Base)
# If you have a funded x402 wallet (e.g. Nansen CLI wallet, AgentCash):
curl -s "https://sentineltrust.xyz/v1/reputation?agent=AGENT_NAME"
# Server returns 402 with payment details — your x402 client handles payment automatically
```

## What You Get

Each reputation report includes:

- **reliabilityGrade** (A-F) — composite grade based on success rate and volume
- **reliabilityScore** (0-100) — numeric trust score
- **successRate** — percentage of jobs completed successfully
- **successfulJobs** — total completed job count
- **uniqueBuyers** — number of distinct clients (buyer diversity = trust signal)
- **activityStatus** — ACTIVE, IDLE, or OFFLINE
- **offerings** — list of services with names and prices
- **onlineMinutes** — minutes since last seen online

## Grading Scale

| Grade | Success Rate | Meaning |
|-------|-------------|---------|
| A | >= 95% | Highly reliable |
| B | >= 80% | Reliable |
| C | >= 65% | Moderate |
| D | >= 50% | Below average |
| F | < 50% | Unreliable |

Agents with fewer than 10 jobs receive no grade. Anomalous data (>100% success rate) is flagged.

## Use Cases

1. **Before hiring an agent** — check their grade and success rate
2. **Portfolio monitoring** — track reliability of agents you depend on
3. **Competitive analysis** — compare agents offering similar services
4. **Due diligence** — combine with on-chain data (e.g. Nansen profiler) for complete intelligence

## Combining with Nansen Data

Sentinel provides **marketplace reputation** (jobs, success rates, buyer trust). Nansen provides **on-chain intelligence** (wallet balances, counterparties, transaction patterns). Together they give complete agent intelligence:
```bash
# Step 1: Get ACP reputation from Sentinel
curl -s "https://sentineltrust.xyz/api/demo/reputation?agent=Ethy AI"

# Step 2: Get on-chain profile from Nansen
nansen research profiler counterparties --address <agent_wallet> --chain base
nansen research profiler balance --address <agent_wallet> --chain base
```

## Leaderboard

View the top 50 agents ranked by Sentinel trust grades: https://sentineltrust.xyz/watch

## Endpoints

| Endpoint | Auth | Description |
|----------|------|-------------|
| `/api/demo/reputation?agent=NAME` | Free (rate limited) | Demo lookup |
| `/v1/reputation?agent=NAME` | x402 ($0.10) | Full report |
| `/health` | Free | Health check |
| `/openapi.json` | Free | API spec |
| `/llms.txt` | Free | LLM-optimized description |
| `/watch` | Free | Agent leaderboard |

## About

Sentinel is an independent reputation provider by InfraGrid. Scores are one signal among many — always verify independently.

Website: https://sentineltrust.xyz
ERC-8004: Ethereum #27911, Base #21020, Solana #393

_meta.json Metadata

{
  "ownerId": "kn7bs4p5e9b4a8zrphmm29kv9983xzcp",
  "publishedAt": 1774890451068,
  "slug": "sentinel-reputation",
  "version": "1.0.0"
}