Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Added "defi_arbitrage", "defi_yields", "gas_multichain" and 12 more (36 tools before, 51 now)
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
wallet balances (multichain) — Native balance for an address across Solana, Base and Polygon. Lightweight multichain balance read. From $0.005 USDC.
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.
Added "crypto_analytics" and "crypto_prices" (34 tools before, 36 now)
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).
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).
Certificate recorded, valid to 2026-11-28
Authorization not required
Unknown → Live
First tool surface recorded: 34 tools (server version 1.1.0)
https://47620.xyz/mcp/multichain (mcp_streamable_http) — from mcp_registry, with the record
Showing the latest 7 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed