{"uid":"cap_dp7maR_zh246vTbBGQ32I","slug":"tokenguard-chain-brief-da69792d","name":"Tokenguard Chain Brief","description":"One-call chain health: current gas cost and congestion level, 30-day TVL trend, and recent exploits filtered to that chain, resolved into a healthy / mixed / strained verdict. Supports base, ethereum, arbitrum, optimism, polygon, bsc.","url":"https://eltociear-tokenguard.hf.space/brief/chain","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","ethereum","arbitrum","optimism","polygon","bsc"],"type":"string","description":"Chain to profile (default base)"}}},"responseSchema":{"type":"json","example":{"chain":"base","health":"healthy","tvl_usd":3120000000,"gas_level":"cheap","tvl_trend":"growing","gas_price_gwei":0.006,"tvl_30d_change_pct":8.4,"recent_exploit_count":0}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5KUVV9b-w58RgsFEj2gIa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a health snapshot of a specified blockchain including TVL, gas price, TVL trend, and recent exploit count","exampleAgentPrompt":"Can you give me a quick health check on the Base chain — TVL, gas prices, recent exploits, that kind of thing?","exampleUseCases":[{"title":"Pre-deployment chain health check","prompt":"Before I deploy my smart contract, can you check if Base is healthy right now — TVL trend, gas costs, any recent exploits?"},{"title":"Comparing DeFi chain activity","prompt":"I'm deciding between Arbitrum and Optimism for yield farming — can you pull the TVL stats and gas levels for both chains so I can compare?"},{"title":"Monitoring Ethereum network conditions","prompt":"What's the current gas situation on Ethereum and is TVL growing or shrinking this month? I want to know if now's a good time to make a large on-chain transaction."}],"resultDescription":"A JSON object containing: chain name, health status (e.g. 'healthy'), total value locked in USD, current gas level descriptor (e.g. 'cheap'), TVL trend direction, gas price in gwei, 30-day TVL change percentage, and count of recent exploits on that chain.","failureModes":["Invalid or unsupported chain name returns an error — only base, ethereum, arbitrum, optimism, polygon, bsc are accepted","Service unavailable if Hugging Face Space is sleeping or rate-limited","Payment failure if x402 micropayment is not properly attached to the request","Stale data possible if underlying on-chain data sources are delayed"],"whenToPreferThis":"Use this endpoint when you need a fast, structured one-call summary of a chain's health — TVL, gas, and exploit history — rather than querying multiple separate on-chain data sources. Ideal for pre-transaction checks, chain comparison, or agent dashboards monitoring DeFi network conditions across the 6 supported EVM chains.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:51:10.118Z","isFirstParty":false}