Web3 Signals

Web3 Signals MCP

Multi-agent crypto signal intelligence. 20 assets, 5 data dimensions, scored 0–100, refreshed every 15 min.

Live API — https://web3-signals-api-production.up.railway.app Dashboard — https://web3-signals-api-production.up.railway.app/dashboard MCP endpoint — https://web3-signals-api-production.up.railway.app/mcp/stream (Smithery listing)

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What it does

Five independent data agents (whale flows, technicals, derivatives, narrative, market microstructure) each score every asset 0–100. A fusion engine combines them into a single composite signal with a directional label, momentum tracking, and an LLM-generated rationale. The system grades its own predictions at 24h and 48h horizons against actual price moves — no self-reported accuracy.

Why it's interesting

• Per-asset weight learning via IC analysis. Each asset gets its own dimension weights, fitted from Spearman/Pearson/Kendall correlations between past dimension scores and forward returns. Different assets respond to different signals.
• Walk-forward backtesting with FDR correction. Benjamini–Hochberg adjustment on indicator significance to avoid false discoveries when testing dozens of features.
• Platt-scaled probability calibration. Raw scores → calibrated probabilities so "75" means a real 75% directional likelihood, not just a higher number than 70.
• x402 HTTP micropayments. Paid endpoints settle $0.001 USDC on Base mainnet per call via Coinbase's CDP facilitator. Payment IS authentication — no API keys, no signup, no OAuth.
• MCP-native. Exposes itself to Claude Desktop, Cursor, and any MCP-compatible client over SSE. AI agents can query it with natural language.
• Adaptive regime gating. Abstain zone widens/narrows with the Fear & Greed index; bullish-bias contrarian boost is dampened in confirmed BTC downtrends.

Quick start

Hit the API directly

curl https://web3-signals-api-production.up.railway.app/signal/BTC

(/signal* and /performance/reputation require an x402 payment header; everything else is free.)

Use over MCP (Claude Desktop / Cursor / Windsurf)

{

"mcpServers": { "web3-signals": { "url": "https://web3-signals-api-production.up.railway.app/mcp/sse" } } }

Then prompt: *"What's the BTC signal right now?"* or *"Show me top 3 buys."*

Run locally

git clone https://github.com/manavaga/web3-signals-mcp.git

cd web3-signals-mcp cp .env.example .env # fill in REDDIT_CLIENT_ID, ANTHROPIC_API_KEY, etc. pip install -r requirements.txt python -m api # API on :8000 python -m orchestrator.runner --once # one fusion cycle

Project layout

api/                FastAPI server, dashboard, x402 middleware

mcp_server/ MCP tool definitions (stdio + SSE) signal_fusion/ Weighted fusion, Platt calibration, meta-learner whale_agent/ On-chain flow tracking (Etherscan + exchange wallets) technical_agent/ RSI, MACD, MA, Bollinger (Binance) derivatives_agent/ Funding rate, OI, long/short ratio narrative_agent/ Reddit, news, CoinGecko trending, LLM sentiment market_agent/ Price, volume, Fear & Greed shared/ Storage (Postgres / SQLite), base agent, profile loader orchestrator/ 15-minute agent scheduler + accuracy evaluator tools/ Backtesting, IC fitting, walk-forward, weight optimizer

Stack

Python 3.13 · FastAPI · PostgreSQL · pandas / numpy / scikit-learn · Anthropic Claude (LLM rationales) · Coinbase CDP x402 facilitator · Railway (deploy)

Performance evaluation

Snapshots are saved on every fusion cycle. At 24h and 48h each directional call is graded against the actual price move (CoinGecko + Binance). Neutral signals are skipped (only directional calls count). Accuracy is AVG(gradient_score) × 100 where gradient ∈ [0, 1] depending on whether the move was in the predicted direction and how large it was. See /performance/reputation for the live numbers.

Development notes

This codebase was built in pair-programming with Anthropic's Claude. Most commits have a Co-Authored-By: Claude trailer — kept intentionally to document the workflow. Architectural decisions, model choices (IC-based weighting, FDR correction, Platt scaling), and the production-readiness criteria (no-deploy-without-backtest hard rule, walk-forward embargoing) were human-driven; Claude was used for implementation, refactoring, and code review.

License

MIT