x402 Trading & On-Chain Intelligence
ai.firmbrain/x402-services77 pay-per-call x402 tools for AI trading & on-chain agents: prices, sniping, perps, RH Chain, MEV
Tools · 131
Convert raw HTML to clean, LLM-ready markdown. Strips nav/script/style noise. [x402 paid tool — price $0.003; POST /api/markdown]
Extract structured data (title, links, meta, headings, text) from HTML as JSON. [x402 paid tool — price $0.003; POST /api/extract]
Fetch any public web page and return clean, LLM-ready markdown (plus title and final URL). Send { url }. We handle fetching, redirects, and noise-stripping. [x402 paid tool — price $0.003; POST /api/r…
Fetch any public web page and return structured JSON: title, meta description, headings, links, text preview. Send { url }. [x402 paid tool — price $0.003; POST /api/read/structured]
Agent Memory: durable key-value storage that survives between agent runs. Write a JSON value (16KB max) under a key. First write to a namespace claims it with your secret token. Send { ns, token, key,…
Agent Memory: read a stored value by key, or omit key to list all keys in your namespace. Send { ns, token, key? }. [x402 paid tool — price $0.003; POST /api/memory/get]
Webhook Scheduler: schedule a future HTTP callback. At fireAt, we call your url with the payload. Agents' alarm clock for async work. Send { token, url, fireAt (ISO-8601), payload?, method? }. [x402 p…
Webhook Scheduler: check a scheduled job's status and last delivery result. Send { token, id }. [x402 paid tool — price $0.003; POST /api/schedule/status]
Atomic counter: increment-and-return a named counter (collision-free running totals & IDs across agent runs). Send { name, token, by? }. [x402 paid tool — price $0.003; POST /api/counter]
Distributed lock: acquire a named lock for ttlSec so only one agent proceeds. Returns acquired:false if held. Send { name, token, ttlSec? }. [x402 paid tool — price $0.003; POST /api/lock/acquire]
Release a distributed lock you hold. Send { name, token, holder? }. [x402 paid tool — price $0.003; POST /api/lock/release]
Task queue: append a JSON item to a named queue for later/other agents. Send { name, token, item }. [x402 paid tool — price $0.003; POST /api/queue/push]
Task queue: pop the oldest item from a named queue (FIFO). Send { name, token }. [x402 paid tool — price $0.003; POST /api/queue/pop]
Idempotency key: returns firstTime:true only once per key within ttl (dedupe retries/double-sends). Send { key, token, ttlSec? }. [x402 paid tool — price $0.003; POST /api/idempotency]
Pub/sub: publish a message to a topic. Send { topic, token, data }. [x402 paid tool — price $0.003; POST /api/pubsub/publish]
Pub/sub: fetch messages on a topic newer than a sequence number. Send { topic, token, since? }. [x402 paid tool — price $0.003; POST /api/pubsub/poll]
Shared blackboard: set a versioned key on a multi-writer board. Send { board, token, key, value }. [x402 paid tool — price $0.003; POST /api/board/set]
Shared blackboard: read one key or list all keys+entries. Send { board, token, key? }. [x402 paid tool — price $0.003; POST /api/board/get]
Rate-limit token bucket: shared self-throttle. Returns allowed + remaining. Send { bucket, token, capacity, refillPerSec, cost? }. [x402 paid tool — price $0.003; POST /api/ratelimit]
Dead-man's switch: if you don't ping within intervalSec, we POST your webhook. Detects crashed agents. Send { id, token, url, intervalSec }. [x402 paid tool — price $0.003; POST /api/deadman/register]
Dead-man's switch: heartbeat to keep the switch from firing. Send { id, token }. [x402 paid tool — price $0.003; POST /api/deadman/ping]
Exact calculator + unit conversion (arbitrary precision). e.g. '3 inch to cm', 'sqrt(2)^10'. Send { expression, precision? }. [x402 paid tool — price $0.003; POST /api/calc]
Date/time math + timezones. op: now | convert | add | diff. Send { op, time?, timezone?, amount?, unit?, to? }. [x402 paid tool — price $0.003; POST /api/datetime]
Add/subtract business days (skips weekends + given holidays). Send { start?, addDays, holidays?, timezone? }. [x402 paid tool — price $0.003; POST /api/business-days]
Apply a regex to text and return all matches + capture groups (deterministic; LLMs guess regex wrong). Send { pattern, text, flags? }. [x402 paid tool — price $0.003; POST /api/regex]
Validate data against a JSON Schema (strict). Returns valid + detailed errors. Send { schema, data }. [x402 paid tool — price $0.003; POST /api/jsonschema]
Structured deep diff of two JSON values (added/removed/changed by path). Send { a, b }. [x402 paid tool — price $0.003; POST /api/diff]
Explain a cron expression: the next N run times in a timezone. Send { expression, count?, timezone? }. [x402 paid tool — price $0.003; POST /api/cron/explain]
Recurring webhook: fire your URL on a cron schedule (repeats). Send { token, url, cron, payload?, method? }. [x402 paid tool — price $0.003; POST /api/schedule/cron]
Batch link-liveness: check up to 50 URLs return 200 (dead-link detection). Send { urls: [..] }. [x402 paid tool — price $0.003; POST /api/links/check]
Webhook inbox: get a disposable URL that captures inbound POSTs for you to poll. Send { token }. [x402 paid tool — price $0.003; POST /api/inbox/create]
Webhook inbox: fetch captured messages newer than a timestamp. Send { id, token, since? }. [x402 paid tool — price $0.003; POST /api/inbox/poll]
Wallet reputation: objective on-chain trust signals for an EVM address (vet a counterparty before dealing). Send { address }. [x402 paid tool — price $0.003; POST /api/wallet/reputation]
Live crypto & token prices in USD. Send tickers or coingecko ids, e.g. { symbols: ["ETH","USDC","BTC"] }. Real-time on-chain pricing for finance and trading agents. [x402 paid tool — price $0.003; POS…
Convert an amount between any two crypto/fiat assets at live rates. Send { amount, from, to }, e.g. convert 1.5 ETH to USDC. Instant FX for agents pricing on-chain actions. [x402 paid tool — price $0.…
Full wallet portfolio: native ETH + all ERC-20 token balances for an address on Base, with amounts. Send { address }. Let agents read any wallet's holdings. [x402 paid tool — price $0.003; POST /api/c…
Live Base gas oracle: current gas price plus estimated cost (ETH & USD) for a transfer, swap, or mint. Send {} — no input needed. Agents budget transactions before acting. [x402 paid tool — price $0.0…
Resolve an ENS name or Basename to an address, or reverse-resolve a 0x address to its name + avatar. Send { input }. Human-readable identity for agents. [x402 paid tool — price $0.003; POST /api/crypt…
Transaction status & receipt on Base: confirmations, success/fail, from/to, value, fee, method. Send { hash }. Agents confirm their on-chain actions settled. [x402 paid tool — price $0.003; POST /api/…
Token intelligence: name, symbol, supply, holder count, source-verification, and safety signals for a contract. Send { address }. Agents vet a token before touching it. [x402 paid tool — price $0.003;…
Top DeFi yield opportunities across chains from DeFiLlama, filterable by chain/project/min-TVL, ranked by APY. Send { chain?, project?, minTvl?, limit? }. Yield discovery for finance agents. [x402 pai…
Wallet activity summary: recent transactions, top methods called, distinct counterparties, and latest actions for an address on Base. Send { address }. Agents profile what a wallet does. [x402 paid to…
Contract decoder: pass a verified 0x contract address to get its function ABI, or a 0x-selector (8 hex) to decode which function it is. Send { input }. Agents understand contracts before calling them.…
Snipe new token launches: the freshest liquidity pools on a chain, newest first, with pool age in seconds, price, FDV, and liquidity. Send { chain, limit?, minLiquidityUsd? }. Supports Base, Solana, E…
Trending / hottest pools on a chain right now, ranked by volume and momentum, with price change, volume, and liquidity. Send { chain, limit? }. Supports Base, Solana, Ethereum, Arbitrum, BSC, and Robi…
Full rug/honeypot audit for a token: honeypot detection, buy/sell tax, source verification, mint/pause/blacklist/hidden-owner privileges, proxy check, holder & LP counts, plus a 0-100 risk score and p…
Fast yes/no honeypot check for a token before buying: is it sellable, buy/sell tax, and whether the creator has deployed honeypots before. Send { address, chain? }. Cheap, instant pre-trade gate again…
Holder & liquidity concentration analysis: top holder %, top-10 %, LP locked/burned %, holder list with contract/lock flags, and concentration risk warnings. Send { address, chain? }. Detect whale-dum…
Full trading snapshot for a token: live price, liquidity, FDV, market cap, 5m/1h/6h/24h volume and price change, buy/sell counts, and pair age. Send { address, chain? }. Complete pre-trade due diligen…
Search tokens and trading pairs across all chains by name, symbol, or address, ranked with price, liquidity, and 24h volume. Send { query, limit? }. Find the right contract fast before sniping. [x402 …
Copy-trade tracker: a wallet's recent token transfers on Base, labeled buy/sell, plus the tokens it just acquired. Send { address, limit? }. Follow smart-money wallets and mirror what they're buying. …
Estimate price impact and suggested max slippage for a trade of a given USD size against a token's live pool liquidity. Send { address, amountUsd, chain? }. Size positions correctly before executing a…
Robinhood Chain live pools: new and trending liquidity pools on Robinhood's Ethereum L2 for tokenized stocks and DeFi, built for 24/7 agentic onchain trading. Send { limit? }. First-mover data feed fo…
Robinhood Chain tokenized-stock quote: pass a stock ticker (NVDA, AAPL, TSLA...) and get its canonical on-chain token on Robinhood's L2 with live price, liquidity, 24h volume, and premium/discount vs …
List tokenized stocks & ETFs live on Robinhood Chain with on-chain prices, liquidity, and volume. Send {} for the default basket or { tickers: [...] } for specific ones. Discovery feed for agents buil…
Premium/discount arbitrage signal: compares a tokenized stock's live Robinhood Chain price against the real-world equity price and returns the premium/discount % plus a buy-onchain/sell-equity signal.…
Cross-venue arbitrage: prices a tokenized stock across every liquid Robinhood Chain pool/DEX and returns the high/low and spread %. Send { ticker, minLiquidityUsd? }. Spot mispricings between venues f…
DeFi LP yield opportunities on Robinhood Chain: pools ranked by estimated fee APR (fee tier x 24h volume / liquidity), with liquidity and volume. Send { limit?, minLiquidityUsd? }. Yield discovery for…
Robinhood Chain health snapshot: total value locked, 24h DEX volume, indexed pool count, and the top pools by liquidity. Send {}. Macro view of Robinhood's onchain economy for allocation and risk deci…
Deep analytics for a specific Robinhood Chain pool or token: price, liquidity, 24h volume, FDV, fee tier, estimated fee APR, and 24h price change. Send { address } (pool or token contract). Per-pool d…
Top movers on Robinhood Chain: biggest 24h gainers (or losers) among liquid pools, with price change, liquidity, and volume. Send { limit?, direction? }. Momentum radar for the Robinhood Chain market.…
US equity market session clock: is the underlying cash market (NYSE/Nasdaq) open, pre-market, after-hours, or closed right now, with holiday/half-day awareness and minutes-to-open/close. Send {}. The …
Overnight/weekend gap radar: while the US cash market is closed, ranks tokenized stocks by how far their 24/7 Robinhood Chain price has repriced vs the last regular-market close, with projected gap up…
Liquidity map for a tokenized stock: aggregates every indexed Robinhood Chain pool and breaks down where the liquidity lives venue by venue (Uniswap/Pleiades/Rialto/Arcus...), with each venue's liquid…
Pre-trade price-impact / slippage curve for a tokenized stock: estimated % impact to buy a set of trade sizes on the deepest venue and aggregated across venues, using a constant-product model on pool …
Effective round-trip execution cost for a tokenized stock right now: best executable buy vs best executable sell price for a small reference clip across all venues, and the resulting effective spread …
Freshest tokens on Robinhood Chain: the newest tokenized stocks/RWAs to appear on-chain, deduped to first-seen per symbol, with age, price, liquidity, and a tokenized-equity flag. Send { limit?, equit…
Robinhood Chain tokenized-stock perp funding: for a ticker, the live Lighter perpetual funding rate (hourly + annualized APR), mark vs index premium, open interest, and the SAME underlying's funding o…
Robinhood Chain tokenized-stock perp open interest & stats on Lighter: open interest (base + USD notional), mark/index/last price, 24h volume, price change, and daily high/low/trades. Send { ticker }.…
Three-way basis for a tokenized stock: Lighter perp mark vs canonical onchain spot (Robinhood Chain DEX) vs last real-equity close, with each pairwise spread %. Send { ticker }. The cash-and-carry / b…
Ranks Robinhood Chain tokenized-stock perps by funding carry: Lighter funding APR per ticker plus the cross-venue spread vs Binance/Bybit/Hyperliquid (funding-capture edge). Send { limit? }. Find the …
Chainlink oracle health for a tokenized stock on Robinhood Chain: reads the live onchain Chainlink feed (latestRoundData) and compares it to the DEX spot and the real equity price, with staleness (age…
Canonical contract verification for Robinhood Stock Tokens: given a ticker, returns the ONE official Robinhood Chain contract address (cross-checked live against the onchain symbol); or given an addre…
Tokenized-stock rich/cheap signal on Robinhood Chain: compares the onchain DEX token price vs the real equity's last close vs the Lighter perp mark, with each pairwise spread % and a directional NAV-c…
Real-time price momentum for a tokenized stock on Robinhood Chain: price change over 5m/1h/6h/24h, per-window onchain volume, a volume-surge ratio (last hour vs the 24h hourly average), and an acceler…
Onchain buy/sell pressure for a tokenized stock on Robinhood Chain: buys vs sells, buy % of trades, and average trade size (a whale-vs-retail proxy) across 5m/1h/6h/24h. Send { ticker }. See who is ac…
Cross-venue funding scan for every tokenized-stock perp: each ticker's funding across Lighter/Hyperliquid/Binance/Bybit, ranked by the most extreme rate, with mark price and a crowded-long/short squee…
Event catalysts for a tokenized stock, mapped from the underlying equity: next earnings date (with before/after-close timing and days away) and next dividend (ex-date, payment date, yield, annualized)…
Freshest Solana token launches from pump.fun: newest coins with age (seconds), USD market cap, SOL raised on the bonding curve, reply count, live flag, and socials. Send { limit?, maxAgeMin?, minMcapU…
Solana pump.fun coins closest to graduating to Raydium: bonding-curve coins ranked by SOL raised, with approximate bonding progress %, market cap, age, and socials. Send { limit? }. Graduation migrate…
Authoritative rug/safety report for a Solana token (rugcheck.xyz): normalized risk score, whether mint & freeze authority are renounced, LP locked %, top-5 and top-10 holder concentration, named risk …
Perpetual funding rate for a coin on Hyperliquid: current hourly rate, annualized APR, mark & spot-oracle price, open interest, 24h volume, premium, plus cross-venue funding (Hyperliquid/Binance/Bybit…
Cross-venue funding-rate arbitrage for a coin: annualized funding on Hyperliquid vs Binance vs Bybit, the spread, and the delta-neutral long/short leg to capture it. Send { coin }. Delta-neutral yield…
Perp-vs-spot basis for a coin: mark price vs spot oracle, basis %, annualized carry, and contango/backwardation signal. Send { coin }. Basis-trade and cash-and-carry signal. [x402 paid tool — price $0…
All Hyperliquid perp markets with mark price, funding APR, open interest, 24h volume, and basis, sorted by volume, open interest, or funding. Send { limit?, sort? }. Full derivatives market map for tr…
Perp funding extremes: coins with the highest funding (crowded longs) and lowest/negative funding (crowded shorts) — squeeze and mean-reversion signals. Send { limit? }. Momentum & contrarian radar fo…
Open interest for a coin (with USD notional) or the top perps by open interest across Hyperliquid. Send { coin } or { limit }. Positioning & liquidity depth for derivatives agents. [x402 paid tool — p…
Token unlock / vesting schedule for a protocol: next unlock date, token amount, USD value, category and type, plus upcoming events. Send { protocol } (slug, e.g. "aptos", "arbitrum"). Large unlocks ar…
Find protocols that have tracked token-unlock schedules, by name substring. Send { query }. Use the returned slug with catalysts/unlocks. [x402 paid tool — price $0.02; POST /api/catalysts/search]
Upcoming token-unlock calendar: the biggest unlocks across a basket of tokens within N days, ranked by USD value. Send { protocols?, days? }. See which supply shocks are coming and when. [x402 paid to…
On-chain governance activity via Snapshot: active (or recent) proposals ranked by voting power, with title, space, votes, and end time. Send { space?, state?, limit? }. Governance catalysts that can m…
Best-route swap quote across DEXes (KyberSwap aggregator): expected output, USD in/out, price impact %, gas cost, and the DEXes routed through. Send { chain, tokenIn, tokenOut, amountIn } (amountIn in…
Recommended max slippage for a planned swap based on live price impact plus a buffer, with a rating. Send { chain, tokenIn, tokenOut, amountIn }. Avoid failed txns and overpaying on slippage. [x402 pa…
Sandwich / MEV risk score for a planned swap, from price impact and trade size, with concrete mitigations (private RPC, tighter slippage, order splitting). Send { chain, tokenIn, tokenOut, amountIn }.…
Live gas prices across major chains (Base, Ethereum, Arbitrum, Optimism, Polygon, BSC) with estimated USD cost of a swap. Send { chains? }. Time and route transactions for the cheapest execution. [x40…
Black-Scholes option pricing: fair value + full greeks (delta, gamma, vega, theta, rho) for ANY option, listed or not. Send { type, spot, strike, daysToExpiry, iv, rate? }. Price any crypto option, no…
Live crypto option quote from Deribit: mark price, IV, open interest, greeks, underlying. Send { instrument } (e.g. BTC-28AUG26-70000-C) or { currency, strike, type, expiry? }. Real listed-option pric…
Full options chain for a currency & expiry: per-strike calls & puts with mark price, implied volatility, and open interest. Send { currency, expiry? }. The complete options board for BTC/ETH/SOL. [x40…
Max-pain strike + put/call open-interest ratio for an expiry — the price level where option holders lose most; a positioning/magnet signal. Send { currency, expiry? }. [x402 paid tool — price $0.02; P…
Implied-volatility term structure: ATM IV per expiry and front-month IV for a currency. Rising IV = rising expected volatility. Send { currency }. [x402 paid tool — price $0.02; POST /api/options/vol]
Prediction-market implied probabilities from Polymarket: search live event markets and get outcome probabilities, volume, and end date. Send { query, limit? }. Crowd-sourced odds for any event as a da…
Odds for a specific Polymarket market by slug: outcomes, probabilities, volume, liquidity. Send { slug }. [x402 paid tool — price $0.02; POST /api/predict/market]
Highest-volume live prediction markets — what the crowd is actively pricing right now. Send { limit? }. [x402 paid tool — price $0.02; POST /api/predict/trending]
Prediction-market arbitrage scanner: markets whose outcome prices sum below $1, implying a risk-free edge before fees. Send { query?, minEdgePct? }. [x402 paid tool — price $0.02; POST /api/predict/ar…
Crypto Fear & Greed index (0=extreme fear, 100=extreme greed) with weekly trend — a contrarian market-sentiment signal. Send {}. [x402 paid tool — price $0.02; POST /api/predict/feargreed]
Point-in-time historical price: what did a token cost at a past date/timestamp? Send { coin, when }. Essential for backtesting, accounting, and audits. [x402 paid tool — price $0.02; POST /api/analyti…
Technical indicators for a token computed from daily closes: RSI(14), SMA20/50, EMA12/26, MACD, with bullish/bearish signals. Send { coin, days? }. [x402 paid tool — price $0.02; POST /api/analytics/i…
OHLCV candles for a DEX pool (open/high/low/close/volume) at minute/hour/day resolution. Send { chain, pool, timeframe?, limit? }. Charting data for any pool. [x402 paid tool — price $0.02; POST /api/…
OFAC sanctions screening: is this address on the US OFAC sanctioned-address list? Send { address }. Every agent moving money legally needs this pre-transaction check. [x402 paid tool — price $0.05; PO…
Address risk score (0-100): OFAC status, interaction with sanctioned addresses, contract verification, and activity, with a risk level and flags. Send { address }. Chainalysis-lite risk in one call. […
Entity labeling: is this address an EOA, a (proxy) contract, a known protocol, or flagged as scam — with name and public tags. Send { address }. [x402 paid tool — price $0.05; POST /api/compliance/lab…
Tainted-funds tracing: does this wallet's incoming money trace back to a sanctioned address within N hops? Multi-hop fund-flow trace on Base. Send { address, hops? }. Screen incoming payments before a…
Aave v3 position health: health factor, collateral, debt, liquidation buffer, and a risk verdict for a wallet. Send { address, chain? }. Know your liquidation risk before it hits. [x402 paid tool — pr…
Best supply/lending APYs for an asset across Aave, Compound, Morpho, Spark and more, ranked by yield with TVL. Send { asset, chain? }. Rate-shop where to lend. [x402 paid tool — price $0.02; POST /api…
Agent/wallet reputation score (0-100): a portable on-chain trust signal — activity, holdings, counterparty diversity, and sanctions — with a tier (untrusted/new/emerging/established/trusted). Send { a…
Pre-Sign Co-Pilot — the ONE call an agent makes before signing ANY transaction, on ANY chain. Returns a single GO/CAUTION/STOP verdict: will it succeed (and if it reverts, why + the exact fix), is it …
Pre-sign safety verdict: one call decodes a pending transaction and checks sanctioned counterparties, unlimited-approval/drainer patterns, contract-vs-EOA, and whether it would revert — returning SAFE…
Transaction simulation: will this tx succeed or revert, and why? Returns success/revert reason, return data, and decoded action. Send { chain, to, data, from?, value? }. Dry-run before signing. [x402 …
Token-approval / allowance risk scanner: recent ERC-20 approvals a wallet granted, which are unlimited, and to whom. Send { chain, owner, windows? }. Find risky allowances that could drain your tokens…
Decode raw calldata into its function + arguments and flag dangerous patterns (unlimited approve, setApprovalForAll, permit, transferFrom). Send { data }. Understand what a transaction actually does b…
Multi-chain wallet net worth: total USD value, per-chain breakdown, positions, and allocation % across Base, Ethereum, Arbitrum, Optimism and Polygon holdings. Send { address }. Instant cross-chain po…
Portfolio 24h PnL: unrealized profit/loss in USD and % on current holdings, plus the biggest movers. Send { address }. Track how the book is doing. [x402 paid tool — price $0.05; POST /api/portfolio/p…
Portfolio concentration risk: top-holding %, HHI concentration index, stablecoin %, diversification flags. Send { address }. Spot dangerous concentration before it hurts. [x402 paid tool — price $0.05…
Create an agent-to-agent conditional-payment agreement: payer, payee, amount, release condition, deadline — returns an id both parties track. Send { token, payer, payee, amountUsdc, condition, deadlin…
Check the state of a conditional-payment agreement (pending/released/refunded/expired). Send { id }. [x402 paid tool — price $0.02; POST /api/escrow/status]
Resolve a conditional-payment agreement: the creator marks 'release' (pay payee) or 'refund' (return to payer); returns a settlement instruction to execute over x402. Send { id, token, outcome, note? …
List conditional-payment agreements for your token (yours) or a party address (involving that address). Send { token } or { party }. [x402 paid tool — price $0.02; POST /api/escrow/list]
Liquidation-opportunity scanner: at-risk Morpho Blue borrower positions (health factor < 1) that can be liquidated for a bonus, with borrower, market, debt and collateral in USD. Send { chain?, minDeb…
FIFO realized-gains estimate for a wallet: per-token and total realized profit/loss in USD from its Base ERC-20 trade history, priced at historical closes. Send { address }. Fast cost-basis/tax estima…
Bazaar Scout: independently measured health rankings of x402 services (uptime, latency, payment-terms validity). Query: limit, network, tag. [x402 paid tool — price $0.02; GET /api/scout/rankings]
Bazaar Scout: detailed health report + probe history for one x402 service. [x402 paid tool — price $0.02; GET /api/scout/service]
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How to use
Add to your Claude Desktop / Cursor / Cline MCP config:
{
"mcpServers": {
"x402_trading_&_on-chain_intelligence": {
"url": "https://x402-services-production.up.railway.app/mcp",
"transport": "streamable-http"
}
}
}