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Provides real-time Bitcoin on-chain intelligence, including network health, mempool fees, mining economics, and halving cycle positioning. Delivers chain-specific DeFi intelligence for the Ethereum ecosystem, including TVL tracking, health scores, and revenue trends. Offers deep context for the Solana ecosystem, providing asset-specific data, chain health metrics, and DeFi intelligence.

Fathom — Financial Reality for AI Agents

For Your Intelligence. The FYI your agent needs before it acts.

Live at fathom.fyi

What is Fathom?

Fathom is an MCP server that gives AI agents financial reality awareness before they make consequential decisions.

The problem: Every AI agent operating in crypto today is blind. Trading bots see prices but don't understand context. DeFi agents deploy capital without knowing where we are in the cycle. Treasury managers make decisions without macro awareness. They have data but no understanding.

The solution: Fathom synthesizes 8 real-time data sources into interpreted intelligence — regime classification, cycle positioning, sentiment state, DeFi health, macro context, and on-chain signals — delivered as plain English guidance an agent can act on immediately.

Your agent doesn't get "BTC is $82,000." It gets: "Market is in late-stage risk-off rotation. Fear & Greed at 28. BTC dominance rising — capital rotating to safety. Historical analog: Q4 2022 pre-recovery accumulation zone. Recommended posture: defensive."

Quick Start

Zero config — works immediately

Add to your Claude Desktop config (Settings → Developer → Edit Config):

{
  "mcpServers": {
    "fathom": {
      "command": "npx",
      "args": ["-y", "fathom-fyi"]
    }
  }
}

Save. Restart Claude Desktop. Ask Claude: "Use Fathom to check the market."

That's it. Three free tools, live data, no API keys needed.

Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "fathom": {
      "command": "npx",
      "args": ["-y", "fathom-fyi"]
    }
  }
}

Any MCP client

Fathom uses stdio transport. Point any MCP client at npx -y fathom-fyi.

Unlock everything with one key

Subscribe at fathom.fyi, add your key to the config, and you're done. One key unlocks all 31 tools, all 8 data sources, and premium data routing. No other API keys needed — Fathom handles all data source authentication server-side.

"env": {
  "FATHOM_API_KEY": "fathom_sk_your_key"
}

Tools (31 instruments)

Free Tier (4 tools)

Tool	Description
`get_reality_check`	Market briefing with regime, sentiment, risk score. Paid tiers add alternative signals.
`get_market_regime`	Regime classification (risk-on/off, euphoric, capitulation) with confidence scoring
`get_sentiment_state`	Fear & Greed Index, 7-day trend, contrarian signals, extreme opportunity detection
`get_account_status`	Your tier, usage stats, locked tools, upgrade path

Starter Tier (24 tools — $29/mo)

All free tools plus:

Tool	Description
`get_narrative_pulse`	Sector rotation, accelerating/decelerating narratives, momentum scoring
`get_asset_context`	Deep context on any asset: cycle position, trend, volume health, risk level
`get_temporal_context`	Bitcoin halving cycle positioning with historical analogs
`get_defi_health`	DeFi ecosystem TVL, health score, concentration risk, revenue trends
`get_macro_context`	Fed rates, DXY, yield curve, recession probability, crypto impact
`get_onchain_pulse`	Bitcoin network health, mempool, fees, mining economics
`set_portfolio_context`	Save your portfolio holdings for personalized guidance
`set_alert`	Define custom alert conditions (e.g., "fear_greed < 20")
`get_alerts`	Check which of your alerts are triggered against live data
`get_watchlist_report`	Batch analyze up to 10 assets with state change detection
`evaluate_strategy`	Test built-in or custom strategies against live conditions
`get_chain_context`	Per-chain DeFi intelligence (Ethereum, Solana, Base, Arbitrum, etc.)
`get_alternative_signals`	Weather in financial centers, political cycles, seasonality, macro calendar
`get_derivatives_context`	Funding rates, options data (put/call, OI, IV, max pain), leverage positioning
`get_stablecoin_flows`	Stablecoin supply tracking, minting/redemptions, capital flow signal, depeg warnings
`get_correlation_matrix`	BTC correlation with S&P 500 and Gold, TradFi prices, macro risk appetite
`set_signal_preferences`	Customize which signals feed into your reality check
`rotate_api_key`	Rotate your API key — deactivates old key, issues new one
`get_asset_momentum`	Short-term momentum (15m/1h/4h/1d/7d). RSI, ATR percentile, Bollinger bandwidth, volatility state, confidence score, funding trajectory
`get_event_catalyst_timeline`	Upcoming catalysts: FOMC, CPI, jobs, options expiry, quad witching. Impact rating, expected direction, trading notes

Pro Tier (29 tools — $99/mo)

All Starter tools plus:

Tool	Description
`get_portfolio_analysis`	Personalized portfolio analysis with regime alignment and rebalancing
`get_crowd_intelligence`	Aggregate behavior of all Fathom-connected agents
`get_signal_history`	Fathom's track record: every signal logged, outcomes tracked
`get_historical_context`	What were market conditions on any past date?
`set_custom_strategy`	Create custom trading strategies with your own condition rules

Unlimited Tier (31 tools — $299/mo)

All Pro tools plus:

Tool	Description
`set_webhook`	Register HTTP webhooks that fire when market conditions meet your criteria
`manage_webhooks`	List, monitor, and remove active webhooks

Example Agent Prompts

Before any trade:

"Use get_reality_check to assess current market conditions. What is the risk score and suggested posture? Should I proceed with this trade?"

Portfolio check:

"Use set_portfolio_context with my holdings: 2 BTC, 50 SOL, $10k USDC. Then use get_portfolio_analysis — is my portfolio aligned with the current regime?"

Narrative research:

"Use get_narrative_pulse to identify which crypto sectors are accelerating. Where is the momentum?"

Asset due diligence:

"Use get_asset_context for SOL, then get_reality_check for the overall environment. Is this a good entry point?"

Macro awareness:

"Use get_macro_context and get_temporal_context. Where are we in the cycle and what's the macro backdrop?"

Risk assessment before deploying capital:

"Use get_reality_check. What are the top 3 risks I should be aware of before deploying capital today?"

Pricing

Tier	Price	Tools	Rate Limit
Free	$0	4 core tools	10 req/hr
Starter	$29/mo	24 tools + momentum + catalysts + alerts + strategies + key rotation	500 req/hr
Pro	$99/mo	29 tools + custom strategies + crowd intelligence	2,000 req/hr
Unlimited	$299/mo	All 31 + webhooks + unlimited requests + 4x fresher cache	Unlimited

Subscribe at fathom.fyi

Data Sources

Source	What it provides	Freshness
CoinGecko	Prices, market caps, OHLC, categories, trending	Real-time
Alternative.me	Fear & Greed Index	Real-time
DeFiLlama	DeFi TVL, protocol data, stablecoin supply	Real-time
Deribit	Funding rates, options OI, put/call, implied vol, max pain	Real-time
Yahoo Finance	S&P 500, Gold — TradFi correlation	Daily
FRED	Fed Funds Rate, DXY, yield curve	Daily
Mempool.space	Bitcoin network health, fees, mining	Real-time
Open-Meteo	Weather in financial centers (sunshine effect)	Real-time

License

MIT

Install Server

A

security – no known vulnerabilities

F

license - not found

A

quality - confirmed to work

How are these scores calculated?

Resources

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