MCP Server
MCPFax Macro & Market Intelligence
com.mcpscores/macro-market-data
What this MCP does
Provides observed macroeconomic, foreign-exchange, Treasury, crypto, DeFi, stablecoin, and prediction-market data with timestamps and market metrics.
Capabilities
Tools
18
tools
base_gas_price
Base gas price
Current Base mainnet gas price read live from JSON-RPC, in both wei and gwei. Use this to estimate the cost of a Base transaction before submitting it. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /gas.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {}, 'additionalProperties': False}
crypto_spot_prices
Crypto spot prices
Coinbase spot price in USD for up to ten crypto assets. Use this for a current crypto price. Returns an explicit per-symbol error rather than a guessed number when an asset is unavailable. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /crypto.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'symbols': {'type': 'string', 'examples': ['BTC,ETH'], 'description': "Comma-separated asset symbols (default BTC,ETH,SOL) Example: 'BTC,ETH'."}}, 'additionalProperties': False}
defi_chains
Chain TVL ranking
Total value locked per blockchain from DefiLlama, ranked high to low, with each chain's native token symbol and EVM chain id plus the summed cross-chain total. Use it to compare chains by capital deployed or to check where a chain sits. A chain with no published TVL keeps a null figure and is excluded from the total rather than counted as zero. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /defi/chains.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'examples': [25], 'description': "How many to return, 1-100 (default 25) Example: '25'."}, 'search': {'type': 'string', 'examples': ['Base'], 'description': "Chain name substring Example: 'Base'."}}, 'additionalProperties': False}
defi_protocol
DeFi protocol detail
Full DefiLlama detail for one protocol by slug: current TVL in USD with its observation time, per-chain TVL breakdown, category, token symbol, chain list, description and links. Use it after finding a slug with the protocols list. An unknown slug returns an honest not_found and is not billed. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /defi/protocol.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'slug': {'type': 'string', 'examples': ['aave-v3'], 'description': "DefiLlama protocol slug (required) Example: 'aave-v3'."}}, 'additionalProperties': False}
defi_protocols
DeFi protocols by TVL
Rank DeFi protocols by total value locked from DefiLlama, filtered by chain, category or name substring, with each protocol's slug, category, chain list, TVL in USD, 1d/7d TVL change and market cap. Use it to size a protocol, find the biggest venues on a chain, or resolve the slug the protocol-detail tool needs. A protocol DefiLlama publishes no TVL for keeps a null figure, never a zero. Read live at request time and held for 5 minutes. Costs $0.008 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /defi/protocols.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'chain': {'type': 'string', 'examples': ['Base'], 'description': "Only protocols deployed on this chain Example: 'Base'."}, 'limit': {'type': 'integer', 'examples': [20], 'description': "How many to return, 1-100 (default 20) Example: '20'."}, 'search': {'type': 'string', 'examples': ['aave'], 'description': "Name or slug substring Example: 'aave'."}, 'category': {'type': 'string', 'examples': ['Lending'], 'description': "Exact DefiLlama category Example: 'Lending'."}}, 'additionalProperties': False}
defi_token_prices
On-chain token prices
Price arbitrary on-chain tokens with DefiLlama's coins API, addressed as chain:address (or coingecko:id), returning price in USD, symbol, decimals, a confidence score and the pricing timestamp for each. Use it to value a DeFi position holding tokens no exchange lists. This is NOT the exchange spot-price tool: use the crypto spot tool for a plain price of a major asset. A token DefiLlama cannot price inside search_width returns null, never a substituted price. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /defi/token-prices.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'coins': {'type': 'string', 'examples': ['base:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913,coingecko:ethereum'], 'description': "Comma-separated DefiLlama coin ids as chain:address or coingecko:id, up to 20 (required) Example: 'base:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913,coingecko:ethereum'."}, 'search_width': {'type': 'string', 'examples': ['6h'], 'description': "How far back a price may be taken from (default 6h) Example: '6h'."}}, 'additionalProperties': False}
defi_yields
DeFi yield pools
Screen DefiLlama's yield-pool universe by chain, project, token symbol, minimum TVL and stablecoin-only, ranked by APY, returning each pool's stable pool_id, chain, project, symbol, TVL in USD, total/base/reward APY, 30-day mean APY, impermanent-loss risk and exposure. Use it to find where a given asset earns yield. An unpublished APY stays null, never zero. Costs $0.008 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /defi/yields.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'chain': {'type': 'string', 'examples': ['Base'], 'description': "Only pools on this chain Example: 'Base'."}, 'limit': {'type': 'integer', 'examples': [20], 'description': "How many to return, 1-100 (default 20) Example: '20'."}, 'symbol': {'type': 'string', 'examples': ['USDC'], 'description': "Token symbol substring Example: 'USDC'."}, 'project': {'type': 'string', 'examples': ['aave-v3'], 'description': "Only pools from this DefiLlama project Example: 'aave-v3'."}, 'min_tvl_usd': {'type': 'number', 'examples': [1000000], 'description': "Minimum pool TVL in USD (default 1000000) Example: '1000000'."}, 'stablecoin_only': {'type': 'boolean', 'examples': [True], 'description': "Only stablecoin pools Example: 'true'."}}, 'additionalProperties': False}
fx_reference_rates
FX reference rates
European Central Bank reference foreign-exchange rates for a chosen base currency, with the ECB observation date. Refreshed automatically by a Worker cron from Frankfurter. These are daily reference rates, not live tradable quotes, and every response carries `snapshot.captured_at` and `snapshot.age_hours`. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /fx.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'base': {'type': 'string', 'examples': ['USD'], 'description': "Base currency ISO-4217 (default USD) Example: 'USD'."}, 'as_of': {'type': 'string', 'examples': ['2026-08-11'], 'description': "Return the stored capture in effect at this UTC date or ISO timestamp instead of the latest one (append-only history; not subject to the freshness limit) Example: '2026-08-11'."}, 'symbols': {'type': 'string', 'examples': ['EUR,GBP,JPY'], 'description': "Comma-separated target currencies Example: 'EUR,GBP,JPY'."}}, 'additionalProperties': False}
manifold_markets
Manifold markets
Search or browse Manifold Markets questions, returning each one's probability, outcome type, volume, liquidity, unique bettor count, close time, creator and resolution state. Manifold is a PLAY-money venue denominated in MANA, so treat a probability as a crowd forecast rather than a real-money price; every response says so and reports the token. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /manifold/markets.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'sort': {'type': 'string', 'examples': ['score'], 'description': "score, newest, liquidity, close-date or most-popular Example: 'score'."}, 'limit': {'type': 'integer', 'examples': [10], 'description': "How many markets, 1-50 (default 10) Example: '10'."}, 'filter': {'type': 'string', 'examples': ['open'], 'description': "all, open, closed or resolved (default open) Example: 'open'."}, 'search': {'type': 'string', 'examples': ['bitcoin'], 'description': "Question text to search for Example: 'bitcoin'."}}, 'additionalProperties': False}
polymarket_events
Polymarket events
List Polymarket events — the grouped questions such as an election or a rate decision — ordered by volume, each with title, slug, end date, volume, 24h volume, liquidity, open interest, its full market count and the priced member markets themselves. Use it when a question has many candidate outcomes and you want them together rather than one at a time. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /polymarket/events.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'examples': [5], 'description': "How many events, 1-25 (default 5) Example: '5'."}, 'closed': {'type': 'boolean', 'examples': [False], 'description': "Return closed events instead of open ones Example: 'false'."}, 'ascending': {'type': 'boolean', 'examples': [False], 'description': "Sort ascending instead of descending Example: 'false'."}, 'markets_per_event': {'type': 'integer', 'examples': [5], 'description': "Member markets per event, 1-25 (default 5) Example: '5'."}}, 'additionalProperties': False}
polymarket_leaderboard
Polymarket trader leaderboard
Polymarket's public trader leaderboard by traded volume or realised profit over a 1d, 7d, 30d or all-time window, returning each trader's rank, published pseudonym and display name, wallet address and USDC amount. Use it to find who is moving size on the venue. A trader who publishes no name stays null; no name is inferred. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /polymarket/leaderboard.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'examples': [10], 'description': "How many traders, 1-50 (default 10) Example: '10'."}, 'metric': {'type': 'string', 'examples': ['volume'], 'description': "volume or profit (default volume) Example: 'volume'."}, 'window': {'type': 'string', 'examples': ['7d'], 'description': "1d, 7d, 30d or all (default 7d) Example: '7d'."}}, 'additionalProperties': False}
polymarket_market
Polymarket market + order book
One Polymarket market by Gamma id, slug or condition id, with its full outcome pricing and the LIVE CLOB order book for each outcome token: best bid, best ask, midpoint, spread and the top price levels with sizes. Use it before taking a position, to see real depth rather than only a last price. An outcome with no order book returns a null book rather than a fabricated price; an unknown identifier returns not_found and is not billed. Costs $0.008 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /polymarket/market.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'id': {'type': 'string', 'examples': ['908713'], 'description': "Polymarket Gamma market id Example: '908713'."}, 'slug': {'type': 'string', 'examples': ['fed-rate-hike-in-2026'], 'description': "Market slug, if you have no id Example: 'fed-rate-hike-in-2026'."}, 'depth': {'type': 'integer', 'examples': [5], 'description': "Order-book levels per side, 1-20 (default 5) Example: '5'."}, 'condition_id': {'type': 'string', 'examples': ['0xf708d6652a477c59d7da116df8ff3d393b993e7037367b96cc33aa519cb48354'], 'description': "Full 0x-prefixed 32-byte condition id (66 chars), as returned by the markets/events/search tools Example: '0xf708d6652a477c59d7da116df8ff3d393b993e7037367b96cc33aa519cb48354'."}}, 'additionalProperties': False}
polymarket_markets
Polymarket markets
List live Polymarket markets ordered by volume or liquidity, each with its question, Gamma id, condition id, every outcome with its USDC price and CLOB token id, best bid/ask, last trade price, volume, liquidity and end date. Use it to see what the largest real-money prediction markets are pricing right now. Prices are probabilities between 0 and 1. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /polymarket/markets.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'examples': [10], 'description': "How many markets, 1-50 (default 10) Example: '10'."}, 'order': {'type': 'string', 'examples': ['volumeNum'], 'description': "volumeNum, liquidityNum, startDate or endDate Example: 'volumeNum'."}, 'closed': {'type': 'boolean', 'examples': [False], 'description': "Return closed markets instead of open ones Example: 'false'."}, 'ascending': {'type': 'boolean', 'examples': [False], 'description': "Sort ascending instead of descending Example: 'false'."}}, 'additionalProperties': False}
polymarket_trades
Polymarket recent trades
Recent public trade prints for one Polymarket market, addressed by its condition id: timestamp, side, outcome, price, size, notional in USD, the trader's published pseudonym and wallet, and the transaction hash. Use it to see whether a quoted price is actually trading and who is behind the flow. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /polymarket/trades.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'examples': [20], 'description': "How many trades, 1-100 (default 20) Example: '20'."}, 'market': {'type': 'string', 'examples': ['0xf708d6652a477c59d7da116df8ff3d393b993e7037367b96cc33aa519cb48354'], 'description': "Full 0x-prefixed 32-byte condition id (66 chars) of the market, as returned by the markets/events/search tools (required) Example: '0xf708d6652a477c59d7da116df8ff3d393b993e7037367b96cc33aa519cb48354'."}}, 'additionalProperties': False}
prediction_market_search
Cross-venue market search
Find a prediction market by question text across two venues at once — Polymarket (USDC, real money) and Manifold (MANA, play money) — returning a single normalised list with the venue, its currency, the question, the YES probability, volume, end date and a direct URL, plus a per-venue status so a venue that failed is visible rather than silently dropped. Use it when you know the question but not the venue or the id. Kalshi is deliberately not included: its API answers Cloudflare Workers with HTTP 429 on every attempt. Costs $0.008 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /prediction-markets/search.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {'q': {'type': 'string', 'examples': ['fed rate'], 'description': "Question text to search for (required) Example: 'fed rate'."}, 'venues': {'type': 'string', 'examples': ['polymarket,manifold'], 'description': "Comma-separated subset of polymarket,manifold Example: 'polymarket,manifold'."}, 'limit_per_venue': {'type': 'integer', 'examples': [5], 'description': "Results per venue, 1-20 (default 5) Example: '5'."}}, 'additionalProperties': False}
stablecoin_peg_deviation
Stablecoin peg deviation
USDC, USDT and DAI spot price against USD plus each one's peg deviation in basis points. Use this to check whether a stablecoin is holding its dollar peg before settling or holding value in it. Costs $0.005 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /stablecoin.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {}, 'additionalProperties': False}
us_macro_indicators
US macro indicators
US macroeconomic indicators from the St. Louis Fed (FRED): effective federal funds rate in percent, CPI and core PCE index levels, unemployment rate in percent, and M2 money stock, each with its own observation date. IMPORTANT: this is a STORED SNAPSHOT, not a live read of FRED at request time — fred.stlouisfed.org blocks Cloudflare Workers (HTTP 520), so the snapshot is refreshed out of band. Every response carries `snapshot.captured_at` and `snapshot.age_hours`; check them before relying on the figures, and read `as_of` for the underlying observation date. CPI/PCE/M2 are index levels, not year-over-year rates. Costs $0.01 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /macro.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'as_of': {'type': 'string', 'examples': ['2026-08-11'], 'description': "Return the stored capture in effect at this UTC date or ISO timestamp instead of the latest one (append-only history; not subject to the freshness limit) Example: '2026-08-11'."}}, 'additionalProperties': False}
us_treasury_yields
US Treasury yields
US Treasury constant-maturity yields for the 2, 10 and 30 year tenors in percent, the computed 10s2s curve spread with an explicit inverted flag, and the 30-year fixed mortgage rate. IMPORTANT: this is a STORED SNAPSHOT, not a live read — the FRED host blocks Cloudflare Workers (HTTP 520), so it is refreshed out of band. Every response carries `snapshot.captured_at` and `snapshot.age_hours`; check them before trading or quoting off these numbers. Costs $0.01 USDC per call via x402 on Base; an unpaid call returns the payment challenge instead of data, and a call that returns no data is never settled so it costs nothing. Equivalent HTTP route: GET /rates.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'as_of': {'type': 'string', 'examples': ['2026-08-11'], 'description': "Return the stored capture in effect at this UTC date or ISO timestamp instead of the latest one (append-only history; not subject to the freshness limit) Example: '2026-08-11'."}}, 'additionalProperties': False}
History
Recent tool changes
Added
prediction_market_search
Sept. 17, 2026, 12:36 p.m.
Added
manifold_markets
Sept. 17, 2026, 12:36 p.m.
Added
polymarket_leaderboard
Sept. 17, 2026, 12:36 p.m.
Added
polymarket_trades
Sept. 17, 2026, 12:36 p.m.
Added
polymarket_market
Sept. 17, 2026, 12:36 p.m.
Added
polymarket_events
Sept. 17, 2026, 12:36 p.m.
Added
polymarket_markets
Sept. 17, 2026, 12:36 p.m.
Added
defi_token_prices
Sept. 17, 2026, 12:36 p.m.
Added
defi_yields
Sept. 17, 2026, 12:36 p.m.
Added
defi_chains
Sept. 17, 2026, 12:36 p.m.
Added
defi_protocol
Sept. 17, 2026, 12:36 p.m.
Added
defi_protocols
Sept. 17, 2026, 12:36 p.m.
Added
base_gas_price
Sept. 17, 2026, 12:36 p.m.
Added
stablecoin_peg_deviation
Sept. 17, 2026, 12:36 p.m.
Added
crypto_spot_prices
Sept. 17, 2026, 12:36 p.m.
Added
fx_reference_rates
Sept. 17, 2026, 12:36 p.m.
Added
us_treasury_yields
Sept. 17, 2026, 12:36 p.m.
Added
us_macro_indicators
Sept. 17, 2026, 12:36 p.m.
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