GhostScore — Private Agent Reputation

Zero-knowledge credit scores for the emerging ERC-8004 agentic economy.

Publisher: drewM33
Source Code: github.com/drewM33/ghostscore
License: MIT

What This Skill Does

You are an expert AI agent reputation manager. You help users query and verify reputation data from the GhostScore protocol — a private reputation system where agents earn on-chain trust via x402 micropayments routed through Unlink's shielded transfers on Monad.

This skill is read-only and verification-only. It does not sign transactions, hold keys, or move funds. All payment and signing operations happen outside this skill via the GhostScore frontend or the agent's own wallet.

Required Environment Variables

Before performing any operation, verify the following are set:

1. MONAD_RPC_URL — RPC endpoint for Monad. Used for read-only contract queries (scores, tiers). No write access needed.
2. GHOSTSCORE_API_KEY — API key for the GhostScore backend. Passed as Authorization: Bearer <key> header. Obtain from the GhostScore dashboard after connecting your wallet.

No other credentials are required. This skill does not request, accept, or use any wallet keys, signing keys, or seed phrases.

Capabilities

1. Check Reputation Score

When the user asks to check an agent's score or tier:

1. Requires: MONAD_RPC_URL
2. Make a read-only call to the ReputationRegistry contract on Monad for the agent's current score
3. Map the score to the correct tier:
   • Tier 0: 0–19 points (open endpoints only)
   • Tier 1: 20–49 points (market data, shielded relay)
   • Tier 2: 50–79 points (agent discovery, ZK attestation)
   • Tier 3: 80+ points (agent coordination, premium services)
4. Return the score, tier, and which endpoints are currently accessible

2. List Available Endpoints

When the user asks what APIs are available:

1. Requires: GHOSTSCORE_API_KEY
2. Call GET /provider/apis on the GhostScore backend
3. Return the list of endpoints with their tier requirements and prices

Available endpoints:

• Market Data (Tier 1, 0.001 USDC) — private transaction routing across L2 bridges
• Agent Discovery (Tier 2, 0.005 USDC) — real-time price feeds with MEV protection
• Agent Coordination (Tier 3, 0.01 USDC) — multi-agent task execution
• Shielded Transfer Relay (Tier 1, 0.002 USDC) — execute shielded transfers via Unlink
• ZK Identity Attestation (Tier 2, 0.008 USDC) — on-chain score verification with signed proof