MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Payments & trading

47620 Multichain Data API — onchain, crypto, utilities, x402 stats

x402 pay-per-call: onchain data (Solana/Base/Polygon), crypto market, JWT/unit utils, x402 stats.

Checks passed
11 / 22

3 failed · 8 not measured

Median response
167 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
52

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
220
Publisher identityCan the publisher be traced to its source?
312

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 167 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name 47620-multichain.

  • Pass
    Lists tools

    tools/list returned 52 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 167 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 167 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Fail
    Parameters documented

    50 of 66 parameters have a description (76%). The bar is 80%.

  • Fail
    Safety hints

    52 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Fail
    Website matches publisher

    The website host does not match the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-09-28T00:57:12.733999Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using 47620 Multichain Data API — onchain, crypto, utilities, x402 stats

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http 47620-multichain-data-api-onchain-crypto-utilities-x402-stats https://47620.xyz/mcp/multichain

Capabilities

Tools 52

account

[Solana by default] Native SOL balance plus every SPL token balance (incl. USDC) for a Solana address. Pay-per-call ($0.002 USDC).

Discovered
balance

Native + stablecoin balances for an address on a chosen chain. Paths: solana -> /x/solana/account/:address, base -> /x/base-fac/balance/:address, polygon -> /x/polygon-fac/balance/:address. Pay-per-call from $0.002 USDC.

Discovered
contract

Whether an address is a contract + bytecode size + ERC-20 metadata (EVM). Paths: base -> /x/base-fac/contract/:address, polygon -> /x/polygon-fac/contract/:address. Pay-per-call ($0.01 USDC).

Discovered
crypto_analytics

Analytics snapshot for a crypto coin: realized volatility, trend direction (up/down/sideways), relative volume and position within the recent range. Optional interval (default 1h) and limit (default 168). -> /x/crypto/analytics/:symbol. Pay-per-call ($0.005 USDC).

Discovered
crypto_deep

Full decision pack in ONE call for a crypto coin: spot + 24h stats, last candle, indicators (RSI/EMA/SMA), perpetual funding + open interest, and order-book spread/imbalance. -> /x/crypto/deep/:symbol. Pay-per-call ($0.02 USDC).

Discovered
crypto_derivatives

Perpetual-futures context for a crypto coin: last funding rate (+%), mark vs index price, next funding time, and open interest (base + USD). -> /x/crypto/derivatives/:symbol. Pay-per-call ($0.005 USDC).

Discovered
crypto_indicators

Technical indicators for a crypto coin: RSI(14) with overbought/oversold signal, EMA(20), EMA(50), SMA(20/50/200). Optional interval (default 1h). -> /x/crypto/indicators/:symbol. Pay-per-call ($0.005 USDC).

Discovered
crypto_ohlcv

OHLCV candle history for a crypto coin: rows [openTime, open, high, low, close, volume]. Optional interval (1m,5m,15m,1h,4h,1d; default 1h) and limit (<=500). -> /x/crypto/ohlcv/:symbol. Pay-per-call ($0.005 USDC).

Discovered
crypto_orderbook

Order-book top-of-book for a crypto coin: best bid/ask, mid price, spread (abs + bps), bid/ask depth and book imbalance (>0 = more bids). -> /x/crypto/orderbook/:symbol. Pay-per-call ($0.005 USDC).

Discovered
crypto_price

Live crypto spot price in USD for a coin (btc, eth, sol, bnb, xrp, ada, doge, avax, link, matic, arb, op): price + 24h change, high, low and quote volume. -> /x/crypto/price/:symbol. Pay-per-call ($0.002 USDC).

Discovered
crypto_prices

Batch spot prices for MANY coins in ONE call: pass a comma-separated list (e.g. btc,eth,sol,doge) and get price + 24h change + quote volume for each. -> /x/crypto/prices/:symbols. Pay-per-call ($0.01 USDC).

Discovered
defi_arbitrage

cross-DEX arbitrage (multichain) — Best cross-DEX/cross-chain spread for a token symbol (e.g. ETH, SOL, USDC): cheapest buy venue vs highest sell venue with gross spread %, liquidi From $0.020 USDC.

Discovered
defi_yields

DeFi lending yields — Best DeFi lending/staking yields for a token symbol (e.g. USDC, ETH, SOL) across chains: top pools by APY (total + base + reward), TVL and project. Keyless, f From $0.010 USDC.

Discovered
gas

Current gas price + estimated transfer cost. Paths: base -> /x/base-fac/gas, polygon -> /x/polygon-fac/gas. (Solana uses fixed micro-lamport fees; use health for the fee context.) Pay-per-call ($0.005 USDC).

Discovered
gas_multichain

gas price (multichain) — Gas price for a chain (base|polygon|solana): eth_gasPrice + slow/standard/fast tiers. Solana returns the per-signature base fee. From $0.002 USDC.

Discovered
health

Network health for a chosen chain. Paths: solana -> /x/solana/health, base -> /x/base-fac/health, polygon -> /x/polygon-fac/health. Pay-per-call from $0.001 USDC.

Discovered
jwt_decode

Decode a JWT and extract its claims (subject, issuer, audience, expiration with expired flag, issued-at, not-before, algorithm, key id). Decode-only — signature NOT verified. -> /x/util/jwt-decode. Pay-per-call ($0.002 USDC).

Discovered
nft_holdings

NFT holdings (multichain) — NFT holdings for a wallet on Base and Polygon via the public Reservoir/Alchemy-free route: collections owned, estimated counts and floor where available From $0.010 USDC.

Discovered
opportunity_feed

agent marketplace opportunity feed — Live marketplace gaps for a domain (e.g. crypto, security, agent, finance): unhealthy/underserved x402 categories with total vs healthy endpoin From $0.005 USDC.

Discovered
payment_evidence

payment evidence (multichain) — Given a transaction hash (EVM 0x 64-hex or Solana base58 signature), returns on-chain payment evidence: status, confirmations, sender, receiver, val From $0.010 USDC.

Discovered
payment_verify

payment verification (multichain) — Verify an on-chain payment: confirmations, finality, sender/receiver and value, plus optional expected-match checks (query ?to=, ?minAmount=). R From $0.010 USDC.

Discovered
portfolio_multichain

multichain portfolio (USD) — Unified portfolio across Solana + Base + Polygon for one address: native balance with USD value and per-chain totals. One call instead of three chain-s From $0.010 USDC.

Discovered
qr_generate

Generate a QR code for any text or URL and return it as inline SVG + base64 data URI. -> /x/util/qr. Pay-per-call ($0.002 USDC).

Discovered
risk_check

BEFORE paying an address, get a 0-100 risk score with reasons and a proceed/review verdict, built from re-verifiable on-chain facts. chain -> /x/solana/risk/:address | /x/base-fac/risk/:address | /x/polygon-fac/risk/:address. Pay-per-call ($0.02 USDC).

Discovered
sha256_fingerprint

Compute a SHA-256 fingerprint of a string: full hex, colon-separated, short 16-char id and base64. -> /x/util/fingerprint. Pay-per-call ($0.001 USDC).

Discovered
should_pay

Pay-vs-do-not-pay decision for a payee, aggregating on-chain facts into a single verdict. chain -> /x/base-fac/should-pay/:address | /x/polygon-fac/should-pay/:address (EVM). Pay-per-call ($0.02 USDC).

Discovered
snapshot

Whole-network picture in ONE call: cluster health, slot/epoch (Solana) or chain status (EVM), native/USD price and top trending pairs. chain -> /x/solana/snapshot | /x/base-fac/snapshot | /x/polygon-fac/snapshot. Pay-per-call ($0.01 USDC).

Discovered
solana_account

Native SOL balance plus every SPL token balance (incl. USDC) for a Solana address. Pay-per-call ($0.002 USDC).

Discovered
solana_health

Solana network health: current slot, epoch, and SOL/USD price. Pay-per-call ($0.001 USDC).

Discovered
solana_risk_check

BEFORE sending SOL/USDC to any address, run this: returns account type (wallet vs program vs closed), balance, activity, and a 0-100 risk score with reasons and a proceed/review verdict. Use it to avoid paying a dead, wrong or program address. Pay-per-call ($0.01 USDC).

Discovered
solana_snapshot

Whole-network picture in ONE call: cluster health, current slot, epoch progress, SOL/USD price AND top trending pairs. Cheaper than making 5 separate calls. Pay-per-call ($0.01 USDC).

Discovered
solana_token

Live price, liquidity, 24h volume and DEX pairs for any Solana SPL token mint. Pay-per-call ($0.002 USDC).

Discovered
solana_token_report

Full token due-diligence in ONE call: live price, liquidity, 24h volume, DEX pairs, on-chain supply and mint authority. Use for token research instead of multiple lookups. Pay-per-call ($0.01 USDC).

Discovered
solana_trending

Live trending / new Solana DEX pairs by 24h volume. A fresh feed for agents. Pay-per-call ($0.005 USDC).

Discovered
solana_tx

Status, slot, fee, block time and transfer summary for a Solana transaction signature. Pay-per-call ($0.003 USDC).

Discovered
stablecoin_peg

stablecoin peg health — Peg health for a stablecoin (e.g. USDC, USDT, DAI): current USD price, peg deviation (bps), 24h/7d change, market cap and a depeg-risk band. Keyless, from D From $0.005 USDC.

Discovered
token

Live price, liquidity, 24h volume + DEX pairs for a token. Paths: solana -> /x/solana/token/:mint, base -> /x/base-fac/token/:address, polygon -> /x/polygon-fac/token/:address. Pay-per-call from $0.002 USDC.

Discovered
token_report

Full token due-diligence in ONE call: price, liquidity, 24h volume, DEX pairs, supply and (EVM) contract metadata. chain -> /x/solana/token-report/:token | /x/base-fac/token-report/:token | /x/polygon-fac/token-report/:token. Pay-per-call ($0.01 USDC).

Discovered
token_research

token research summary — One-call research summary for a token (EVM 0x or Solana base58): price/liquidity/volume (DexScreener), market cap/rank/supply (CoinGecko), pair count, and From $0.015 USDC.

Discovered
token_risk_evm

token risk score (EVM) — Static risk read for an ERC-20 on Base/Polygon: liquidity depth (DexScreener), pair count and a 0-100 risk score. From $0.010 USDC.

Discovered
trending

Trending DEX pairs by 24h volume. Paths: solana -> /x/solana/trending, base -> /x/base-fac/trending, polygon -> /x/polygon-fac/trending. Pay-per-call ($0.02 USDC).

Discovered
trust_check

BEFORE paying a wallet/payee, get a multichain safe|review|avoid verdict built only from re-verifiable on-chain facts (existence, activity, USDC settlements, contract code). Covers Solana, Base and Polygon. Pay-per-call ($0.02 USDC).

Discovered
tx

Transaction status + transfer summary on a chosen chain. Paths: solana -> /x/solana/tx/:signature, base -> /x/base-fac/tx/:hash, polygon -> /x/polygon-fac/tx/:hash. Pay-per-call from $0.003 USDC.

Discovered
tx_history

transaction history (multichain) — Recent transactions for an EVM address on Base and Polygon: hash, block, from/to, value, timestamp. Query: limit (default 25). From $0.010 USDC.

Discovered
tx_receipt

transaction receipt (multichain) — Normalized receipt for a transaction hash on Solana, Base or Polygon: status, block/slot, from/to, gas. Auto-detects chain by hash shape. From $0.005 USDC.

Discovered
unit_convert

Convert a value between units: length (m/km/mi/ft/in/yd/nmi + Russian verst/sazhen), mass (g/kg/lb/oz + pood/funt), area (m2/ft2/acre/hectare) and temperature (C/F/K). -> /x/util/convert. Pay-per-call ($0.001 USDC).

Discovered
unix_timestamp

Convert between unix epoch and human time: pass seconds, milliseconds or an ISO date, get epoch (s+ms), ISO-8601 UTC and a formatted value in a target timezone. -> /x/util/timestamp. Pay-per-call ($0.001 USDC).

Discovered
wallet_balances_multichain

wallet balances (multichain) — Token balances in one call: native + ERC-20 (USDC/USDT/DAI) on Base and Polygon plus all Solana SPL holdings. From $0.005 USDC.

Discovered
wallet_reliability_json

wallet reliability as JSON — Pre-payment reliability read for a wallet or contract: exists, has code, nonce, native balance and a 0-100 score with reasons. Base/Polygon/Solana. From $0.005 USDC.

Discovered
wallet_security

wallet security score (EVM) — Security/risk report for an EVM address: GoPlus address security flags (sanctioned, phishing, money laundering, mixer usage, honeypot exposure) rolled From $0.010 USDC.

Discovered
x402_ecosystem_networks

Network and payment-asset histogram of the live x402 ecosystem: which chains (CAIP-2 ids) and which USDC/other assets the indexed pay-per-call services accept, with counts. Sourced live from public indexes. -> /x/x402/networks. Pay-per-call ($0.005 USDC).

Discovered
x402_ecosystem_stats

LIVE, sourced snapshot of x402 adoption across the public ecosystem: indexed pay-per-call service count, networks, payment assets, categories and USD price stats (min/median/mean/max), each with its source URL and fetchedAt. Aggregated from 402index.io + Coinbase CDP Bazaar + PayAI Bazaar. -> /x/x402/stats. Pay-per-call ($0.01 USDC).

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected167 ms52