merge: chore/cleanup-remove-bloat-and-secrets into main
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325
app/routers/mcp_proxy.py
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325
app/routers/mcp_proxy.py
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"""
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Local MCP Server Proxy — makes free local MCP servers accessible via REST API.
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Reads tool definitions from MCP server manifests and proxies tool calls.
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Local servers run via stdio — we spawn them on demand with a process cache.
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All data is FREE to call (no API keys, just local compute/RPC queries).
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"""
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import asyncio
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import json
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import subprocess
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import time
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SERVER_REGISTRY = {
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"feargreed": {
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"name": "Crypto Fear & Greed Index",
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"path": "/root/.hermes/mcp-servers/crypto-feargreed-mcp",
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"command": ["python3", "main.py"],
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"tools": [
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{
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"id": "feargreed_get_index",
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"name": "Get Fear & Greed Index",
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"description": "Current crypto Fear & Greed Index value and classification",
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},
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{
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"id": "feargreed_get_historical",
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"name": "Get Historical Fear & Greed",
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"description": "Historical Fear & Greed values for a date range",
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},
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],
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},
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"crypto-news": {
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"name": "Crypto News API",
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"path": "/root/.hermes/mcp-servers/crypto-news-api",
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"command": ["node", "dist/index.js"],
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"tools": [
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{
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"id": "news_get_latest",
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"name": "Get Latest News",
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"description": "Real-time crypto news from 12+ sources with AI sentiment",
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},
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{
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"id": "news_search",
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"name": "Search News",
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"description": "Search crypto news by keyword, source, or date range",
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},
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{
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"id": "news_sentiment",
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"name": "News Sentiment",
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"description": "Aggregated market sentiment from news sources",
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},
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],
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},
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"indicators": {
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"name": "Crypto Indicators",
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"path": "/root/.hermes/mcp-servers/crypto-indicators-mcp",
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"command": ["node", "dist/index.js"],
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"tools": [
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{
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"id": "indicators_rsi",
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"name": "RSI Indicator",
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"description": "Relative Strength Index for any token",
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},
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{
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"id": "indicators_macd",
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"name": "MACD Indicator",
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"description": "Moving Average Convergence Divergence",
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},
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{
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"id": "indicators_bollinger",
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"name": "Bollinger Bands",
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"description": "Bollinger Bands volatility indicator",
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},
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{"id": "indicators_ema", "name": "EMA", "description": "Exponential Moving Average"},
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{"id": "indicators_sma", "name": "SMA", "description": "Simple Moving Average"},
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],
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},
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"evmscope": {
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"name": "EVMScope Intelligence",
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"path": "/root/.hermes/mcp-servers/evmscope",
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"command": ["node", "dist/index.js"],
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"tools": [
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{
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"id": "evmscope_token_price",
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"name": "Token Price",
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"description": "Current token price across chains",
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},
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{
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"id": "evmscope_token_info",
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"name": "Token Info",
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"description": "Token metadata — name, symbol, decimals, supply",
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},
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{
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"id": "evmscope_token_holders",
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"name": "Token Holders",
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"description": "Token holder distribution and top holders",
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},
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{
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"id": "evmscope_honeypot",
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"name": "Honeypot Check",
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"description": "Check if a token is a honeypot scam",
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},
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{
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"id": "evmscope_whale_movements",
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"name": "Whale Movements",
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"description": "Recent large transactions for a token",
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},
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{
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"id": "evmscope_gas_price",
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"name": "Gas Price",
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"description": "Current gas prices across chains",
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},
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{
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"id": "evmscope_portfolio",
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"name": "Portfolio",
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"description": "Wallet portfolio with balances across chains",
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},
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{
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"id": "evmscope_bridge_routes",
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"name": "Bridge Routes",
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"description": "Optimal bridge routes between chains",
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},
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{
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"id": "evmscope_yield_rates",
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"name": "Yield Rates",
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"description": "Current DeFi yield rates across protocols",
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},
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{
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"id": "evmscope_swap_quote",
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"name": "Swap Quote",
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"description": "Best swap quote across DEX aggregators",
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},
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{
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"id": "evmscope_nft_info",
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"name": "NFT Info",
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"description": "NFT metadata and collection info",
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},
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{
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"id": "evmscope_contract_abi",
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"name": "Contract ABI",
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"description": "Fetch verified contract ABI",
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},
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{
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"id": "evmscope_decode_tx",
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"name": "Decode Transaction",
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"description": "Decode raw transaction data",
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},
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],
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},
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"polymarket": {
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"name": "Polymarket Data",
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"path": "/root/.hermes/mcp-servers/graph-polymarket-mcp",
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"command": ["node", "dist/index.js"],
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"tools": [
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{
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"id": "polymarket_active_markets",
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"name": "Active Markets",
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"description": "Currently active prediction markets",
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},
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{
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"id": "polymarket_market_detail",
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"name": "Market Detail",
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"description": "Detailed market data — prices, volume, liquidity",
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},
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{
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"id": "polymarket_orderbook",
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"name": "Orderbook",
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"description": "Live orderbook for a market",
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},
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{
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"id": "polymarket_open_interest",
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"name": "Open Interest",
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"description": "Open interest across markets",
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},
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{
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"id": "polymarket_traders",
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"name": "Top Traders",
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"description": "Top traders by volume/profit",
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},
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],
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},
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"prediction-markets": {
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"name": "Prediction Markets",
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"path": "/root/.hermes/mcp-servers/prediction-market-mcp",
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"command": ["node", "dist/index.js"],
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"tools": [
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{
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"id": "predmkt_polymarket",
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"name": "Polymarket Data",
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"description": "Polymarket markets, prices, and events",
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},
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{
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"id": "predmkt_kalshi",
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"name": "Kalshi Data",
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"description": "Kalshi prediction market data",
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},
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{
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"id": "predmkt_predictit",
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"name": "PredictIt Data",
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"description": "PredictIt market data",
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},
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],
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},
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"web3-research": {
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"name": "Web3 Research",
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"path": "/root/.hermes/mcp-servers/web3-research-mcp",
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"command": ["node", "dist/index.js"],
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"tools": [
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{
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"id": "research_coingecko",
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"name": "CoinGecko Research",
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"description": "Deep CoinGecko data — prices, markets, exchanges",
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},
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{
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"id": "research_defillama",
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"name": "DeFiLlama Research",
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"description": "Protocol TVL, yields, chain metrics from DeFiLlama",
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},
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{
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"id": "research_combined",
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"name": "Combined Research",
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"description": "Multi-source research combining CoinGecko + DeFiLlama",
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},
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],
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},
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"jupiter": {
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"name": "Jupiter DEX",
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"path": "/root/.hermes/mcp-servers/jupiter-mcp",
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"command": ["node", "dist/index.js"],
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"tools": [
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{
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"id": "jupiter_quote",
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"name": "Swap Quote",
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"description": "Best swap route and price quote on Solana",
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},
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{
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"id": "jupiter_price",
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"name": "Token Price",
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"description": "Current token price via Jupiter aggregator",
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},
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{
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"id": "jupiter_token_list",
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"name": "Token List",
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"description": "All verified tokens on Jupiter",
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},
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],
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},
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}
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# Process cache — keep server processes alive for 5 min
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_proc_cache: dict[str, tuple[subprocess.Popen, float]] = {}
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_CACHE_TTL = 300 # 5 minutes
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async def _get_or_spawn(server_id: str):
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"""Get or spawn an MCP server process."""
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if server_id not in SERVER_REGISTRY:
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return None
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now = time.time()
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if server_id in _proc_cache:
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proc, created = _proc_cache[server_id]
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if now - created < _CACHE_TTL and proc.poll() is None:
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return proc
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cfg = SERVER_REGISTRY[server_id]
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try:
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proc = subprocess.Popen(
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cfg["command"],
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cwd=cfg["path"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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)
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_proc_cache[server_id] = (proc, now)
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# Give it a moment to initialize
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await asyncio.sleep(1)
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return proc
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except Exception:
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return None
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async def call_local_mcp(server_id: str, tool_name: str, params: dict | None = None) -> dict:
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"""Call a tool on a local MCP server."""
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proc = await _get_or_spawn(server_id)
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if not proc:
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return {"error": f"Server '{server_id}' not available"}
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# MCP JSON-RPC call
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request = {
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"jsonrpc": "2.0",
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"id": 1,
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"method": "tools/call",
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"params": {
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"name": tool_name,
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"arguments": params or {},
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},
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}
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try:
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proc.stdin.write((json.dumps(request) + "\n").encode())
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proc.stdin.flush()
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# Read response line
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line = proc.stdout.readline()
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result = json.loads(line.decode())
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if "error" in result:
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return {"error": result["error"]}
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return {"result": result.get("result", result)}
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except Exception as e:
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return {"error": str(e)}
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def get_local_mcp_tools() -> list[dict]:
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"""Get all available local MCP tools."""
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tools = []
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for server_id, cfg in SERVER_REGISTRY.items():
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for tool in cfg["tools"]:
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tools.append(
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{
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"server": server_id,
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"server_name": cfg["name"],
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**tool,
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}
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)
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return tools
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