Mycelia Signal — Sovereign Oracle

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

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Try It Now

# 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

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Endpoints (131 total)

All paid endpoints return Ed25519-signed canonical attestations. Append /preview for free unsigned sample data.

Crypto Prices (16) — $0.01 spot / $0.02 VWAP

BTC, ETH, SOL, XRP, ADA, DOGE in USD/EUR/JPY. VWAP for BTC and ETH.

Stablecoin Pegs (4) — $0.01

USDT/USD, USDC/USD, USDT/EUR, USDT/JPY.

Precious Metals (3) — $0.01

XAU/USD, XAU/EUR, XAU/JPY.

FX Rates (19) — $0.01

Major and cross pairs: EUR, GBP, USD, CHF, CNY, CAD, JPY.

Gas Oracles (6) — $0.01

Ethereum, Polygon, Arbitrum, Optimism, Base, Solana.

Indices — $0.05 each

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

MSFR Funding Rate — $0.05

10-exchange OI-weighted composite (Binance, Bybit, OKX, Deribit, Hyperliquid, dYdX, Bitget, Kraken, Coinbase INTX, Crypto.com). Basis and OI also available.

Economic Indicators — $0.10

US (8): CPI, CPI Core, Unemployment, NFP, Fed Funds, GDP, PCE, Yield Curve. EU (6): HICP, HICP Core, HICP Services, Unemployment, GDP, Employment.

Commodities (5) — $0.10

WTI, Brent, Natural Gas, Copper, DXY.

Marine Oracle — $0.10

Sea state, vessel tracking (AIS), voyage forecast.

Weather Oracle — $0.10

Parametric temperature, rainfall, wind, drought for any coordinates.

DeFi Yield — $0.05

Cross-protocol yield data.

CME COT — $0.10

Institutional positioning from CME futures.

DLC Oracle — Free

Discreet Log Contract attestations.

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MCP Server

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

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Integrations

• 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

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Verification

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.

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License

MIT