crypto-fear-greed-index
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Reputation
formula v1.3Signals
Crypto Fear & Greed Index API. Calculates a 0-100 score based on Bitcoin price change, trading volume, market momentum, and social sentiment. Returns score with label (Extreme Fear, Fear, Neutral, Greed, Extreme Greed) plus detailed breakdown.
Source: ipfs://bafkreigkk5rd2socs4jl7etaranawm7mqgg477xgkox6ukm2tfn5ett5xe
Raw metadata
{
"name": "crypto-fear-greed-index",
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"active": true,
"services": [
{
"name": "MCP",
"version": "2025-06-18",
"endpoint": "https://mcp.dexter.cash/mcp"
},
{
"name": "x402",
"version": "v2",
"endpoint": "https://x402.dexter.cash"
},
{
"name": "x402",
"version": "v2",
"endpoint": "https://res-mlr0c208-zh3ul5.dexter.cash"
},
{
"name": "A2A",
"version": "0.2.1",
"endpoint": "https://api.dexter.cash/api/dexter-lab/resources/res-mlr0c208-zh3ul5/agent.json"
}
],
"description": "Crypto Fear & Greed Index API. Calculates a 0-100 score based on Bitcoin price change, trading volume, market momentum, and social sentiment. Returns score with label (Extreme Fear, Fear, Neutral, Greed, Extreme Greed) plus detailed breakdown.",
"x402Support": true,
"registrations": [
{
"agentId": 0,
"agentRegistry": "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"supportedTrust": [
"reputation",
"facilitator-attestation",
"sati-feedback"
]
}
Registrations
Cross-chain pointers from this agent's metadata back to its on-chain identity.
| Chain | Registry | Agent ID |
|---|---|---|
| Base Mainnet | 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 | 0 |
Services
-
MCP v2025-06-18Endpoint
https://mcp.dexter.cash/mcp -
x402 vv2Endpoint
https://x402.dexter.cash -
x402 vv2Endpoint
https://res-mlr0c208-zh3ul5.dexter.cash -
A2A v0.2.1Endpoint
https://api.dexter.cash/api/dexter-lab/resources/res-mlr0c208-zh3ul5/agent.json
The ValidationRegistry contract is not yet deployed on Base Mainnet. Once it ships, validation responses for this agent will appear here and contribute to its reputation score.
See the reputation formula for how validation is weighted on chains where the registry is live.