DataRail

Agent-safe crypto financial data access layer. Provides validated prices, market data, TVL, APY, survivorship bias checks, and cross-source validation (CoinGecko, CoinMarketCap, DeFiLlama). Every response includes source definitions, caveats, and data quality warnings.

该来源不提供完整文件导出（国内平台多为平台内托管），仅存元数据与原链

模型生成摘要（rules/v1 · 2026-09-27 16:36）：Agent-safe crypto financial data access layer
这是模型对公开材料的总结，不是官方声明，请以原链内容为准。

接入信息

传输形态: http
鉴权方式: 鉴权未知
端点: https://data-rail--milesnee-e.run.tools

鉴权方式未标注，请核对官方文档后再接入——不要直接使用以下片段

{
  "mcpServers": {
    "DataRail": {
      "url": "https://data-rail--milesnee-e.run.tools"
    }
  }
}

能力清单

工具	说明
get_token_price	REQUIRED: token_id. Get current token price with validation and definitions.
get_historical_price	REQUIRED: token_id, date. Get token price at a specific historical date — POINT-IN-TIME GUARANTEED. Unlike raw APIs that might return restated/survivorship-biased data, DataRail validates that the price returned was actually observable at the requested date and checks for survivorship bias.
get_historical_chart	REQUIRED: token_id. Get historical price chart data (OHLCV-style) for a date range. Returns price, market cap, and volume arrays for analysis. Point-in-time guaranteed — data reflects actual observed values at each timestamp during the period.
check_token_survivorship	REQUIRED: token_id. Check if a token is alive, dead, or delisted on CoinGecko. This is CRITICAL for backtesting: tokens that went to zero or were delisted won't appear in current market data, creating survivorship bias. DataRail tracks known dead tokens and can flag them in historical queries.
mark_token_dead_	REQUIRED: token_id. Manually mark a token as dead in DataRail's survivorship registry. Use this when you've confirmed a token is dead/delisted/rug-pulled. DataRail will then flag this token in all future historical queries to prevent survivorship bias.
list_dead_tokens_	List all tokens in DataRail's dead token registry. No parameters required. These tokens are known to be delisted, rug-pulled, or zero-value. They are flagged by survivorship-bias checks in historical queries.
get_token_market_data	REQUIRED: token_id. Get comprehensive market data for a token: price, market cap, volume, FDV, supply. Includes definitions and caveats for each field. CRITICAL: market_cap and volume_24h definitions differ between CoinGecko and CoinMarketCap — DataRail will warn you.
get_protocol_tvl	REQUIRED: protocol_id. Get Total Value Locked for a DeFi protocol. Uses DeFiLlama (primary source). Includes definition of what 'TVL' means and what it does NOT include (staking, leverage, etc.).
get_protocol_pools	REQUIRED: protocol_id. Get pool/yield data for a DeFi protocol — TVL, APY, volume per pool. CRITICAL: APY values are BACKWARD-LOOKING 7-day annualized rates. They do NOT guarantee future returns and do NOT deduct impermanent loss. DataRail will always include this warning.
compare_field_definitions	REQUIRED: field. Compare how different data sources define the same financial field. Use this BEFORE comparing data across sources to avoid silent errors from definition mismatches.
check_data_compatibility	REQUIRED: field, source_a, source_b. Check if a field is safe to compare across two data sources. Returns a safety assessment with specific guidance.
validate_install	Validate DataRail installation — check sources, config, and connectivity. No parameters required. Use this to verify DataRail is correctly configured before relying on it in Claude Desktop or Cursor. Tests CoinGecko + DeFiLlama connectivity and field definitions.
cross_validate_field	REQUIRED: token_id. Cross-validate a field between CoinGecko and CoinMarketCap. Fetches the same field from both sources and compares them. Surfaces discrepancies with source-specific definitions so agents don't silently consume mismatched data. CRITICAL: market_cap and volume_24h WILL differ between CG and CMC because they use different circulating supply definitions. This tool makes the discrepancy EXPLICIT.
get_cmc_quote	REQUIRED: token_id. Get CoinMarketCap quote for a token. Useful as an alternative data source when cross-validating. CMC has DIFFERENT definitions for market_cap and volume vs CoinGecko.

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