Tollkit Crypto MCP server
online · 100% uptimeCrypto news, perps, market pulse, price history and token checks for AI agents. USDC per call.
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Tollkit Crypto tools (12)
write = sends, deletes, buys or postscheck_my_balanceFreeFree. Check how much USDC is left in your own wallet on Base, so you can tell your human before you run out. Returns the balance and whether it's below your threshold. Read-only: it moves nothing. Tollkit never holds anyone's funds or keys. When to use: You pay for tools from a wallet and want to know if it's running low. Use instead: wallet_balance for any wallet, chain or token. Parameters: address: the wallet you pay from. network: base (default) or sepolia. low_below: your low-balance threshold in USDC, default 1. Returns: the USDC balance and whether it's below low_below. Free.
crypto_market_pulseFreeGet the crypto market at a glance in one call: the Crypto Fear & Greed Index (today, yesterday, a week ago), BTC, ETH and SOL with perp price, 24h change, funding and Chainlink reference price, the highest and lowest funding rates, the biggest 24h gainers and losers, and Hyperliquid's total open interest and volume. $0.003 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. When to use: You want the state of the crypto market in one call, for example before deciding anything else. Use instead: perps_market for specific coins or more markets; crypto_news for the headlines behind a move. Returns: Fear & Greed (today, yesterday, a week ago), BTC, ETH and SOL with perp price, 24h change, funding and Chainlink price, funding extremes, top gainers and losers, and Hyperliquid totals. Takes no parameters.
crypto_newsFreeGet recent crypto news for a coin or topic: up to 10 articles from the past hour, day or week with publisher, date, snippet and link, plus a short AI read of the coverage (mood: positive, negative, mixed or neutral; a summary; main themes) written only from those headlines. A read of the news, not advice. $0.004 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. When to use: You want what's being said about a coin or the market right now. Use instead: web_search with type "news" for non-crypto topics; crypto_market_pulse for numbers instead of headlines. Parameters: query: a coin or topic; leave it out for the whole market. freshness: hour, day (default) or week. num: 1-10 articles, default 8. Returns: articles[] with title, publisher, date, snippet and link, plus mood (positive, negative, mixed or neutral), a summary and themes, written only from those headlines.
perps_marketFreeHyperliquid perpetuals: mark and oracle price, 24h change, current hourly funding rate (positive means longs pay shorts) and annualized, open interest in coins and USD, 24h volume and max leverage. Name up to 20 coins, or leave coins out to get the top markets sorted by volume, open interest, funding or 24h move. funding_hours adds hourly funding history for one coin. $0.001 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. When to use: You need perpetual futures data from Hyperliquid: funding, open interest, leverage, or the top markets. Use instead: crypto_market_pulse for a one-call market overview; token_price for an on-chain spot price. Parameters: coins: up to 20 Hyperliquid names (e.g. BTC, ETH, kPEPE); leave out for the top markets. sort and limit (default volume, 10) apply only when coins is left out. funding_hours (1-168) adds hourly funding history and needs exactly one coin. Returns: markets[] with mark, oracle and mid price, 24h change, hourly and annualized funding (positive: longs pay shorts), open interest in coins and USD, 24h volume and max leverage; not_found for unknown names.
pretrade_checkFreeBefore trading a token on Base, Ethereum or Solana: its USD price and liquidity, plain warnings read from the chain, how big your planned trade is next to the pool (rough price impact), how much your wallet already holds, and recent web results about the token. Facts, not advice. $0.01 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. When to use: Right before a trade, to see if the size is sane for the pool and what's being said about the token. Use instead: token_check when you aren't trading yet. Parameters: token is required. chain: base (default), ethereum or solana. amount_usd: your planned size, for price impact against pool depth. wallet: your address, to show what you already hold. Returns: price, liquidity, chain warnings, rough price impact for amount_usd, your current holding, and recent web results. Facts, not advice.
price_historyFreeGet past USD prices for a crypto asset (ETH, BTC, SOL, LINK and others with a Chainlink feed) over up to 365 days: up to 100 points read from Chainlink's on-chain price feed on Ethereum, each with its time and round, plus first, last, high, low and percent change. $0.002 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. When to use: You need past prices for a major asset: a trend, a high or low, or the change over a period. Use instead: token_price for the current price of any token, including ones without a Chainlink feed. Parameters: asset: a symbol with a Chainlink USD feed (ETH, BTC, SOL, LINK and others). days: 1-365, default 7. points: 2-100 evenly spaced prices, default 24. Returns: points[] each with time, price_usd and Chainlink round, plus first, last, high, low and percent change.
token_checkFreeCheck a token before buying, sending or accepting it, on Base, Ethereum or Solana: what it is, its USD price and liquidity, and plain warnings read from the chain (no pool, thin liquidity; on Base and Ethereum the contract's owner and whether it is upgradeable or can mint, pause, blacklist or set fees; on Solana an active mint or freeze authority). $0.004 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. The first 3 calls a day through this tool server are free (no wallet needed). When to use: Before buying, accepting or sending an unfamiliar token. Use instead: pretrade_check when you're about to trade a specific amount (adds price impact, your holding and news); token_info for the basics only. Parameters: token: ERC-20 contract or SPL mint. chain: base (default), ethereum or solana. Returns: what the token is, price and liquidity, and plain-language warnings (owner, upgradeable, can mint, pause, blacklist or set fees; Solana mint or freeze authority).
token_infoFreeLook up a token on Base, Ethereum (ERC-20 contract) or Solana (SPL mint): name, symbol, decimals and total supply, plus mint and freeze authority on Solana, read live from the chain. Use it to confirm what an address actually is before acting on it. $0.002 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. The first 3 calls a day through this tool server are free (no wallet needed). When to use: You have a token address and need to know what it is before acting on it. Use instead: token_check for safety warnings and liquidity; token_price for its price. Parameters: token: ERC-20 contract or SPL mint. chain: base (default), ethereum or solana. Returns: name, symbol, decimals, total supply; on Solana, mint and freeze authority.
token_priceFreeGet a token's current USD price on Base, Ethereum or Solana, read from its deepest on-chain pool (Uniswap v3 against USDC or WETH; on Solana, Orca Whirlpools against USDC or SOL) rather than a price API. Returns the pool used, how much liquidity backs the price, and a flag when the pool is too thin to trust. $0.001 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. The first 3 calls a day through this tool server are free (no wallet needed). When to use: You need a token's current USD price straight from the chain. Use instead: price_history for past prices; token_check for price plus safety warnings; crypto_market_pulse for BTC, ETH and SOL at once. Parameters: token: ERC-20 contract or SPL mint ("SOL" works on Solana). chain: base (default), ethereum or solana. Returns: price_usd, the pool used, its liquidity, and a thin_liquidity flag when the price shouldn't be trusted.
transaction_lookupFreeLook up a transaction on Base, Ethereum or Solana: did it succeed, when, who sent it, the fee, and every token movement with symbols and amounts (ERC-20 transfers; on Solana, SOL and token balance changes per owner). Use it to confirm a payment actually landed. $0.002 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. The first 3 calls a day through this tool server are free (no wallet needed). When to use: You have a transaction hash and need to know if it went through and what moved. Parameters: hash: 0x hash on Base or Ethereum, base58 signature on Solana. chain: base (default), ethereum or solana; it must match the hash. Returns: status, time, sender, fee, and every token transfer with symbol and amount (on Solana, balance changes per owner).
wallet_balanceFreeCheck a wallet's balances on Base, Ethereum or Solana: native ETH or SOL, USDC (plus USDT on Ethereum and Solana), and any token contracts or SPL mints you list (up to 20), with symbols and decimals applied. Read live from the chain. $0.002 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. The first 3 calls a day through this tool server are free (no wallet needed). When to use: You need what a wallet holds, in token amounts. Use instead: wallet_portfolio for USD values and a total; check_my_balance (free) for your own USDC on Base. Parameters: address is required. chain: base (default), ethereum or solana; the address format must match. tokens: up to 20 extra ERC-20 contracts or SPL mints to include. Returns: native coin, USDC (USDT on Ethereum and Solana) and the tokens you listed, each with symbol, decimals and amount.
wallet_portfolioFreeValue a wallet in USD on Base, Ethereum or Solana: each holding (native coin, USDC/USDT and any tokens you list) priced from on-chain pools, the total, and warnings for thin pools or positions bigger than their pool. $0.005 USDC per call over x402. Failed calls cost nothing. Call without `payment` to get a quote. When to use: You need a wallet's value in USD: each holding priced and the total. Use instead: wallet_balance when amounts are enough (cheaper). Parameters: address is required. chain: base (default), ethereum or solana. tokens: up to 20 extra contracts or mints to include. Returns: holdings[] with amount, USD price, USD value and pool used, the total in USD, and warnings for thin pools or positions bigger than their pool.
Public scan report
scanner v0.1.10 · 2026-10-26 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 565ms20/20
- Tool poisoning12 tool descriptions checked15/15
- Auth qualityopen endpoint, read-only tools10/15
- Maintenancelast push 5 days ago15/15
- Maintainer identityregistry namespace matches repository owner6/10
How Tollkit Crypto compares
Against every graded Finance MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 88/100
- higher than 85% of 1,761 Finance servers
- Tools
- 12
- the typical Finance server has 8
- Tools that change things
- 0%
- typical: 0%. Fewer write tools means less an agent can break
- Uptime
- 100%
- of our recent checks; the typical remote Finance server answers 100%
- Response time
- 279 ms
- faster than 52% of 1,133 Finance servers
What its tools let an agent do: 12 read
Install Tollkit Crypto in Claude Code, Cursor or VS Code
claude mcp add --transport http tollkit-crypto https://api.tollkit.dev/mcp/crypto
What the publisher says
From the Tollkit Crypto repository's README, as published. We do not edit it. Read it on GitHub
Tollkit MCP server
Pay-per-call tools for AI agents, as one remote MCP server:
https://api.tollkit.dev/mcpNo account and no API key. Each paid tool costs a fixed amount of USDC, paid per call with x402 on Base or Solana. A call that fails is never charged.
Listed in the official MCP Registry as io.github.UltraStarz/x402-extract.
Connect
Add the URL above as a remote (Streamable HTTP) MCP server in Claude, Cursor or any MCP client. In clients that take a JSON config:
{
"mcpServers": {
"tollkit": { "url": "https://api.tollkit.dev/mcp" }
}
}Paying: MCP has no 402 status, so a paid tool called without its payment argument returns the price quote as its result. Sign that quote with your x402 wallet and call the tool again with payment set. Six tools are always free: tryitfree (a real sample result), getserviceinfo, findservice, checkservice, checkmybalance and verifyattestation. Fourteen give 3 free calls a day without a payment: readpage, screenshotpage, pdftotext, weatherforecast, airportdelays, geocodeaddress, exchangerate, iplookup, walletbalance, tokeninfo, transactionlookup, tokenprice, tokencheck and seccompany.
Tools
Live prices: /health · every tool with its URL and body: llms.txt · tollkit.dev/tools
Without MCP
Every tool is also a plain HTTP endpoint: POST the JSON body, get HTTP 402 with the price, pay with any x402 client (for example @x402/fetch), repeat the request. OpenAPI per hostname, e.g. https://data.tollkit.dev/openapi.json.
This repo
server.json is the MCP Registry entry. src/ holds an older stdio client (the x402-extract-mcp npm package) that only wraps product extraction and is no longer maintained; use the remote server above instead.
More
- Weekly x402 market report — free
- Live sales · Status
- hello@tollkit.dev · Tollkit LLC
MIT licensed.
Nothing above is checked by us. What we check is on the safety report.
Tollkit Crypto: common questions
- Is Tollkit Crypto MCP server safe?
- Yes, by our scan: it is graded A (88/100). Read the Tollkit Crypto safety report
- How do I install Tollkit Crypto?
- It runs remotely at api.tollkit.dev. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Tollkit Crypto need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Tollkit Crypto maintained?
- The last commit was 14 days ago (2026-10-21). The latest release is v0.1.0.
- Is Tollkit Crypto up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- What can I use instead of Tollkit Crypto?
- Servers from other publishers that do the same job: Blockrun MCP server, Agent402.Tools: pay-per-call web tools MCP server and AlgoVault — Crypto Quant Trade Calls MCP server.
- How does Tollkit Crypto compare with other Finance MCP servers?
- safety score 88/100 (higher than 85% of 1,761 Finance servers); tools 12 (the typical Finance server has 8); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.
Alternatives to Tollkit Crypto
Same job from other publishers: the closest match first, then the best rated.
- BlockrunWeb search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.not reviewedEstablishedB
- Agent402.Tools: pay-per-call web toolsAgentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-worknot reviewedEstablishedA
AlgoVault — Crypto Quant Trade CallsThe Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.not reviewedEstablishedA- Zwldarren Akshare OneProvide access to Chinese stock market data including historical prices, real-time data, news, and…not reviewedGrowingA
ShumiCrypto market intelligence: prices, funding rates, narratives, regime, and delta-neutral research.not reviewedGrowingA