btc-tx

Recommended Bitcoin transaction fee-rates in sat per vByte across five confirmation horizons (fastest, half hour, hour, economy, minimum) plus a live mempool congestion snapshot with an estimated block backlog. Informational, not advice.

Bitcoin hash-ribbon miner-capitulation signal: the 30-day versus 60-day moving average of network hashrate, whether miners are in capitulation, whether a recovery cross has occurred, and the 30-day hashrate trend. Informational, not advice.

Live Bitcoin mempool snapshot: unconfirmed transaction count, total virtual size and total fees, a fee-rate histogram broken into buckets, and an estimated block backlog. Informational, not advice.

The US Monthly Treasury Statement: federal receipts, outlays and the deficit or surplus for the latest month and fiscal year to date, fused with interest expense. Computes the deficit change year over year and interest expense as a share of receipts. Cited to Treasury Fiscal Data.

Coverage timeline for a topic from the GDELT Project: pick metric volume (share of all monitored coverage — is a topic heating up or cooling down) or tone (average-tone trend). Returns normalized time-series points plus the latest value and a rising/falling/flat trend. One upstream call.

US facility environmental due-diligence: one cited JSON verdict fusing EPA compliance status, enforcement history, penalties, toxic releases and reported greenhouse gases, with a 0 to 100 environmental-risk score, for a company name, EPA FRS registry id, address, or coordinates.

Bridge TVL and per-chain liquidity concentration: total value locked plus the breakdown across chains and the largest single chain's share, from DefiLlama. A liquidity-depth and concentration signal for routing decisions.

Fetch any public web page and return its main readable content as clean Markdown or plain text plus metadata (title), stripping nav/ads/boilerplate (trafilatura). Optional JS rendering via headless browser for SPAs; markdown or text output. Robots-respecting, public content only — the reader/scraper building block for RAG and agent pipelines.

Free-text web search for AI agents: ranked title/url/snippet results fused across multiple engines (Brave, Google, DuckDuckGo, Mojeek, Startpage, Yahoo), with freshness filters (past day/week/month/year), region/locale and SafeSearch. One call for grounded, up-to-date web results — no keys, no scraping setup.

Keyword news search across web news engines (Bing/DuckDuckGo/Yahoo via ddgs). Returns dated headlines with title/url/snippet/source/image + freshness/region/safesearch filters.

On-chain USD spot price for 50+ assets from Chainlink feeds or the most-liquid Base DEX pool (computed from public chain state): crypto majors, stablecoins, Base-native tokens, forex currencies and precious metals.

EVM gas oracle for any major chain - Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche: next-block baseFee plus slow, med and fast priority-fee tiers (maxFeePerGas and maxPriorityFeePerGas), read live from chain state in one call. Choose network (default Ethereum). EIP-1559 and legacy handled.

Rich cross-source market report for 50+ assets (crypto, stablecoins, forex, metals): Chainlink + DEX pools, TVL-weighted VWAP, total pool TVL, recent change and volatility — all computed by us from on-chain state.

ERC-20 token metadata on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base): name, symbol, decimals and totalSupply (raw + human), read live from contract state by address.

Native-coin balance + ERC-20 token balances (raw + human) for any address on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base). On Base pass token symbols or 0x addresses (or a default common set); on other networks pass explicit 0x token addresses.

Is an address a contract or an EOA on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base)? Returns is_contract, deployed code size in bytes, and the keccak256 code hash (eth_getCode).

Look up a transaction by hash on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base): from/to/value/nonce/gas, block, and receipt fields (status, gasUsed, logs count). Pending/not-found handled.

Plain-language explanation of an EVM transaction by hash across 12 networks: net token movements per participant (ERC-20, ERC-721, ERC-1155, native, WETH), the operation type (swap, transfer, approve, mint, deploy, wrap, and more), protocol labels, gas in native plus USD, and a readable summary.

Basename/ENS resolution on Base: forward name->address (give 'name') or reverse address->name (give 'address', forward-verified against spoofing).

Verify an EIP-191 personal_sign or EIP-712 typed-data signature and recover the signer address from public inputs (message + signature). Verification/recovery only — never signs.

ABI-encode a function call (selector + args) or encode/decode arbitrary ABI types — build and parse EVM calldata correctly.

Compute keccak256/sha256, a 4-byte function selector, an event topic0, or an ENS namehash/labelhash from a string or hex input.

Convert token units (wei/gwei/ether or arbitrary decimals), between hex and int, and compute/validate an EIP-55 checksummed address.

Pure-compute data format conversion (no network): JSON<->CSV, JSON<->YAML, JSON normalize/minify, Markdown->HTML (sanitized), HTML->Markdown/text, base64/hex, TOML->JSON. Operates only on the supplied data.

Structured parse of a public web page: main text, headings, links, tables and rich metadata (description, canonical, lang, Open Graph, Twitter cards, JSON-LD) as separate fields. Browserless, robots.txt-respecting.

Parse an RSS, Atom or JSON Feed URL into a normalized item list (title/link/published/summary/id/author) plus feed-level metadata.

Extract every link from a public page for crawling agents: de-duplicated absolute URLs with anchor text, internal/external counts, declared feeds and a sitemap hint.

Discover and parse a site's sitemap: pass a site root (found via robots.txt or /sitemap.xml) or a direct .xml. Returns URLs with lastmod/priority; handles <sitemapindex> (one level).

Recent DEX swap history + buy/sell flow for a token or pool on Base: per-swap trader/side/amount/price plus a summary (count, buy/sell volume, net flow, largest swaps), decoded by us from public Aerodrome/Uniswap-V3 Swap event logs.

Trending Base DEX pools ranked by recent swap volume and net buy/sell flow over a short window, computed by us from public Aerodrome/Uniswap-V3 Swap event logs.

Enrich a domain / company / email into one aggregated profile from public sources: registration (RDAP/WHOIS age, registrar, expiry, nameservers), DNS (A/AAAA/MX/NS, SPF, DMARC), TLS certificate (issuer, validity, expiry), homepage metadata (title, description, Open Graph, JSON-LD Organization, social links, role contacts) and a tech-stack detection. Each block is null-on-failure (partial, never 50

Validate and classify an email DOMAIN from public DNS: MX hosts + mail-provider, SPF and DMARC policy, plus disposable / free-webmail / role-account flags and a deliverability signal. No SMTP probing of individual mailboxes (privacy + ToS).

GitHub repository health & intelligence for due-diligence / dependency choice: stars, forks, open issues, watchers, size, language, topics, license, archived/fork flags, and computed signals (days_since_push, age, issues_per_star, is_active). From the official GitHub REST API, normalized.

Package intelligence across npm / PyPI / crates: latest version, age, release cadence, deprecation/yank, license, and download stats (last day/week/month) with a rising/falling trend. Aggregates the official registry + downloads API + deps.dev.

Hacker News engagement / dev-sentiment for a project or topic: story count, total & average points and comments, and the top stories (title/url/points/comments/date). From the keyless HN Algolia search API.

Top GitHub repositories by language and/or topic (optionally newer than a date), ranked by stars/forks/recently-updated: name, full_name, stars, language, description, url, pushed_at. From the official GitHub Search API.

Forward-geocode a street address or place name (WORLDWIDE) to coordinates + parsed address components via OpenStreetMap Nominatim (public, keyless).

Reverse-geocode coordinates (WORLDWIDE) to a street address + parsed components via OpenStreetMap Nominatim; enriched with the nearest NWS city/state when the point is in the US.

Current US weather conditions (temp in C+F, humidity, wind, pressure, description) from the NWS for coordinates OR a US address (auto-geocoded).

Official US weather forecast from the National Weather Service (NOAA): multi-day and hourly periods for any US coordinates or street address. Temperature in Celsius and Fahrenheit, precipitation probability, wind speed and direction, and plain-language conditions. Authoritative government public-domain data, commercial use OK.

Aggregated crypto news with sentiment: deduplicated headlines from many major crypto outlets (CoinDesk, Cointelegraph, Decrypt, Bitcoin Magazine, The Block, CryptoSlate), each scored bullish/bearish/neutral by a crypto-tuned lexicon, optionally filtered by coin or query. One call instead of polling a dozen feeds and running your own NLP.

Crypto Fear & Greed Index: the market Fear & Greed value, classification and trend, blended with aggregated crypto news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines.

Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines.

Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines.

Crypto Fear & Greed Index: the market Fear & Greed value, classification and trend, blended with aggregated crypto news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines.

Composite crypto market sentiment: the Fear & Greed index (value, classification, trend) blended with aggregated news-headline sentiment into one bullish/bearish/neutral score, optionally focused on a coin or query. Data by alternative.me (attributed) + curated RSS headlines.

Composite rug-check risk score for an ERC-20 token: a 0-100 score, a category (low/medium/high/critical), per-dimension flags, reasons and weighted signals. Scored deterministically across six dimensions — contract integrity, ownership, holder concentration, liquidity, honeypot and age. Multi-chain EVM. Automated risk indicators, not financial advice.

Check whether a crypto address appears on the official public sanctions lists (OFAC SDN, UK, EU, UN). Deterministic exact lookup; returns the matched record (list, program, entity name, reference, currency).

Fuzzy-screen a person or organization name against the official public sanctions lists (OFAC SDN, UK, EU, UN), including aliases. Returns scored matches with list, program, country, type, and reference.

Preflight trust check of another x402 endpoint before an agent pays it. From the target resource URL: a composite trust score 0-100, a category (trusted / caution / untrusted / unknown), per-dimension flags, reasons and weighted signals. Scored from CDP x402 Bazaar discovery, an on-chain USDC payment-diversity sample, and a live 402 probe that the served payTo matches the listing. Trust indicators