MCPFax Macro & Market Intelligence

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.

{
  "type": "object",
  "properties": {
    "as_of": {
      "type": "string",
      "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'.",
      "examples": [
        "2026-08-11"
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "as_of": {
      "type": "string",
      "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'.",
      "examples": [
        "2026-08-11"
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "base": {
      "type": "string",
      "description": "Base currency ISO-4217 (default USD) Example: 'USD'.",
      "examples": [
        "USD"
      ]
    },
    "symbols": {
      "type": "string",
      "description": "Comma-separated target currencies Example: 'EUR,GBP,JPY'.",
      "examples": [
        "EUR,GBP,JPY"
      ]
    },
    "as_of": {
      "type": "string",
      "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'.",
      "examples": [
        "2026-08-11"
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "symbols": {
      "type": "string",
      "description": "Comma-separated asset symbols (default BTC,ETH,SOL) Example: 'BTC,ETH'.",
      "examples": [
        "BTC,ETH"
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "Only protocols deployed on this chain Example: 'Base'.",
      "examples": [
        "Base"
      ]
    },
    "category": {
      "type": "string",
      "description": "Exact DefiLlama category Example: 'Lending'.",
      "examples": [
        "Lending"
      ]
    },
    "search": {
      "type": "string",
      "description": "Name or slug substring Example: 'aave'.",
      "examples": [
        "aave"
      ]
    },
    "limit": {
      "type": "integer",
      "description": "How many to return, 1-100 (default 20) Example: '20'.",
      "examples": [
        20
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "slug": {
      "type": "string",
      "description": "DefiLlama protocol slug (required) Example: 'aave-v3'.",
      "examples": [
        "aave-v3"
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "search": {
      "type": "string",
      "description": "Chain name substring Example: 'Base'.",
      "examples": [
        "Base"
      ]
    },
    "limit": {
      "type": "integer",
      "description": "How many to return, 1-100 (default 25) Example: '25'.",
      "examples": [
        25
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string",
      "description": "Only pools on this chain Example: 'Base'.",
      "examples": [
        "Base"
      ]
    },
    "project": {
      "type": "string",
      "description": "Only pools from this DefiLlama project Example: 'aave-v3'.",
      "examples": [
        "aave-v3"
      ]
    },
    "symbol": {
      "type": "string",
      "description": "Token symbol substring Example: 'USDC'.",
      "examples": [
        "USDC"
      ]
    },
    "min_tvl_usd": {
      "type": "number",
      "description": "Minimum pool TVL in USD (default 1000000) Example: '1000000'.",
      "examples": [
        1000000
      ]
    },
    "stablecoin_only": {
      "type": "boolean",
      "description": "Only stablecoin pools Example: 'true'.",
      "examples": [
        true
      ]
    },
    "limit": {
      "type": "integer",
      "description": "How many to return, 1-100 (default 20) Example: '20'.",
      "examples": [
        20
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "coins": {
      "type": "string",
      "description": "Comma-separated DefiLlama coin ids as chain:address or coingecko:id, up to 20 (required) Example: 'base:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913,coingecko:ethereum'.",
      "examples": [
        "base:0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913,coingecko:ethereum"
      ]
    },
    "search_width": {
      "type": "string",
      "description": "How far back a price may be taken from (default 6h) Example: '6h'.",
      "examples": [
        "6h"
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "How many markets, 1-50 (default 10) Example: '10'.",
      "examples": [
        10
      ]
    },
    "order": {
      "type": "string",
      "description": "volumeNum, liquidityNum, startDate or endDate Example: 'volumeNum'.",
      "examples": [
        "volumeNum"
      ]
    },
    "ascending": {
      "type": "boolean",
      "description": "Sort ascending instead of descending Example: 'false'.",
      "examples": [
        false
      ]
    },
    "closed": {
      "type": "boolean",
      "description": "Return closed markets instead of open ones Example: 'false'.",
      "examples": [
        false
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "description": "How many events, 1-25 (default 5) Example: '5'.",
      "examples": [
        5
      ]
    },
    "markets_per_event": {
      "type": "integer",
      "description": "Member markets per event, 1-25 (default 5) Example: '5'.",
      "examples": [
        5
      ]
    },
    "ascending": {
      "type": "boolean",
      "description": "Sort ascending instead of descending Example: 'false'.",
      "examples": [
        false
      ]
    },
    "closed": {
      "type": "boolean",
      "description": "Return closed events instead of open ones Example: 'false'.",
      "examples": [
        false
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Polymarket Gamma market id Example: '908713'.",
      "examples": [
        "908713"
      ]
    },
    "slug": {
      "type": "string",
      "description": "Market slug, if you have no id Example: 'fed-rate-hike-in-2026'.",
      "examples": [
        "fed-rate-hike-in-2026"
      ]
    },
    "condition_id": {
      "type": "string",
      "description": "Full 0x-prefixed 32-byte condition id (66 chars), as returned by the markets/events/search tools Example: '0xf708d6652a477c59d7da116df8ff3d393b993e7037367b96cc33aa519cb48354'.",
      "examples": [
        "0xf708d6652a477c59d7da116df8ff3d393b993e7037367b96cc33aa519cb48354"
      ]
    },
    "depth": {
      "type": "integer",
      "description": "Order-book levels per side, 1-20 (default 5) Example: '5'.",
      "examples": [
        5
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "market": {
      "type": "string",
      "description": "Full 0x-prefixed 32-byte condition id (66 chars) of the market, as returned by the markets/events/search tools (required) Example: '0xf708d6652a477c59d7da116df8ff3d393b993e7037367b96cc33aa519cb48354'.",
      "examples": [
        "0xf708d6652a477c59d7da116df8ff3d393b993e7037367b96cc33aa519cb48354"
      ]
    },
    "limit": {
      "type": "integer",
      "description": "How many trades, 1-100 (default 20) Example: '20'.",
      "examples": [
        20
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "metric": {
      "type": "string",
      "description": "volume or profit (default volume) Example: 'volume'.",
      "examples": [
        "volume"
      ]
    },
    "window": {
      "type": "string",
      "description": "1d, 7d, 30d or all (default 7d) Example: '7d'.",
      "examples": [
        "7d"
      ]
    },
    "limit": {
      "type": "integer",
      "description": "How many traders, 1-50 (default 10) Example: '10'.",
      "examples": [
        10
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "search": {
      "type": "string",
      "description": "Question text to search for Example: 'bitcoin'.",
      "examples": [
        "bitcoin"
      ]
    },
    "limit": {
      "type": "integer",
      "description": "How many markets, 1-50 (default 10) Example: '10'.",
      "examples": [
        10
      ]
    },
    "sort": {
      "type": "string",
      "description": "score, newest, liquidity, close-date or most-popular Example: 'score'.",
      "examples": [
        "score"
      ]
    },
    "filter": {
      "type": "string",
      "description": "all, open, closed or resolved (default open) Example: 'open'.",
      "examples": [
        "open"
      ]
    }
  },
  "additionalProperties": false
}

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.

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "description": "Question text to search for (required) Example: 'fed rate'.",
      "examples": [
        "fed rate"
      ]
    },
    "limit_per_venue": {
      "type": "integer",
      "description": "Results per venue, 1-20 (default 5) Example: '5'.",
      "examples": [
        5
      ]
    },
    "venues": {
      "type": "string",
      "description": "Comma-separated subset of polymarket,manifold Example: 'polymarket,manifold'.",
      "examples": [
        "polymarket,manifold"
      ]
    }
  },
  "additionalProperties": false
}