Pay USDC. Get signed data. Trust math, not middlemen.
Mycelia Signal is a sovereign cryptographic oracle serving Ed25519-signed attestations across 131 endpoints: crypto prices, FX rates, precious metals, stablecoin pegs, economic indicators, commodities, gas oracles, volatility/sentiment/stress/contagion indices, marine oracle, weather oracle, DeFi yield, and CME COT positioning. Pay-per-query via x402 (USDC on Base). No API keys. No accounts. No trust assumptions.
Live API: api.myceliasignal.com Docs: myceliasignal.com/docs OpenAPI: api.myceliasignal.com/openapi.json llms.txt: api.myceliasignal.com/llms.txt
# Free preview
curl https://api.myceliasignal.com/oracle/price/btc/usd/preview
curl https://api.myceliasignal.com/oracle/stress/market/preview
# Paid — returns 402 with x402 payment details
curl -i https://api.myceliasignal.com/oracle/price/btc/usd
# Health check
curl https://api.myceliasignal.com/health
All paid endpoints return Ed25519-signed canonical attestations. Append /preview for free unsigned sample data.
BTC, ETH, SOL, XRP, ADA, DOGE in USD/EUR/JPY. VWAP for BTC and ETH.
USDT/USD, USDC/USD, USDT/EUR, USDT/JPY.
XAU/USD, XAU/EUR, XAU/JPY.
Major and cross pairs: EUR, GBP, USD, CHF, CNY, CAD, JPY.
Ethereum, Polygon, Arbitrum, Optimism, Base, Solana.
| Index | Description | Range |
|---|---|---|
| MSVI (Volatility) | 5-component: realized vol, implied vol, term structure, funding, put/call | 0-100 |
| MSXI (Sentiment) | 5-component: funding direction, skew, put/call, term structure, basis | -100 to +100 |
| MSSI (Stress) | 4-component: vol regime, stablecoin stress, funding extremity, dispersion | 0-100 |
| MSTI (Contagion) | 4-component: BTC-equity correlation, equity vol, DXY, beta | 0-100 |
10-exchange OI-weighted composite (Binance, Bybit, OKX, Deribit, Hyperliquid, dYdX, Bitget, Kraken, Coinbase INTX, Crypto.com). Basis and OI also available.
US (8): CPI, CPI Core, Unemployment, NFP, Fed Funds, GDP, PCE, Yield Curve. EU (6): HICP, HICP Core, HICP Services, Unemployment, GDP, Employment.
WTI, Brent, Natural Gas, Copper, DXY.
Sea state, vessel tracking (AIS), voyage forecast.
Parametric temperature, rainfall, wind, drought for any coordinates.
Cross-protocol yield data.
Institutional positioning from CME futures.
Discreet Log Contract attestations.
17 parameterized tools covering all 131 endpoints. See mcp/.
Claude Desktop config:
{
"mcpServers": {
"mycelia-signal": {
"command": "python",
"args": ["myceliasignal_mcp_server.py"],
"env": {}
}
}
}
Install and run:
pip install fastmcp pynacl
python mcp/myceliasignal_mcp_server.py
- MCP Server: mcp/ — 17 tools, Python + FastMCP
- LangChain: langchain-mycelia-signal — PyPI, 17 tools
- OpenAPI: openapi.json
- Agent Discovery: agent.json, agent-card.json
- x402 Discovery: .well-known/x402
Every response includes an Ed25519 signature over a canonical attestation string:
v1|PRICE|BTCUSD|73242.09|USD|2|binance,coinbase,kraken,...|median|1748012345|562204
Verify with the public key from /health. See docs/verification.
MIT