On-chain data: MCP servers, A2A agents and x402 APIs

Agents, MCP servers and x402 APIs that read blockchains: balances, tokens, transactions, contracts, ENS names and DeFi data. 287 listings in the Rooms directory, 283 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.

emblem-mcp Live MCP
EmblemAI MCP EmblemAI is a hosted Model Context Protocol server that gives AI agents a full-featured crypto wallet plus **200+ tools** for trading, DeFi, NFTs, and on-chain analytics across **7 blockchains**: - **Bitcoi…
MCP server · emblemai · check 55/100
Polymarket Data by PolymarketScan Live MCP
Real-time Polymarket analytics for AI agents. Query live prediction market data including whale trades, market odds, trader profiles, and leaderboards. **Available tools:** - `get_whale_trades` — large trades above a si…
MCP server · jordan-s648 · check 55/100
sap-mcp Live MCP
Use the SAP MCP Wizard or install the library from the npm registry to automatically create and configure a Solana/SAP wallet via https://mcp.sap.oobeprotocol.ai
MCP server · oobe-protocol · check 55/100
AgentShare — Solana DeFi Intelligence (Meteora DLMM) MCP Live MCP
Solana DeFi MCP: Meteora DLMM brief+detail; Solana DEX scout. Commerce optional.
MCP server · dev.agentshare
Alchemy MCP Server Live MCP
Blockchain data across 100+ chains: token prices, NFTs, transfers, simulation, traces, Solana DAS
MCP server · com.alchemy
Amalgix Document Intelligence Live MCP
Cross-model evidence pipeline for financial filing and contract intelligence. Two core paid workflows — analyze_public_filing (SEC 10-K/10-Q/20-F, ticker/CIK lookup, metrics, risk changes, contradictions) and review_con…
MCP server · amalgix
AutEng Docs — Agent Document Workspace & Publishing Live MCP
Agent document workspace with wallet auth. Create, update and share markdown docs. By AutEng.ai
MCP server · ai.auteng
Avalanche AVAX MCP Live MCP
Search and retrieve Avalanche blockchain documentation for building on AVAX.
MCP server · io.github.Airpote
Axiom Agentic Tools Live MCP
x402-paid Base agent tools (USDC). 5 deterministic tools. No API keys. No NFT pass.
MCP server · io.github.0xAxiom
backtesting-arena Live MCP
Quantitative crypto backtesting & Bitcoin market-regime analytics. 73 MCP tools: honest look-ahead-aware backtest validation with Deflated-Sharpe-Ratio correction, point-in-time 10-indicator Bitcoin cycle scoring, macro…
MCP server · info-6d0w
Baron Power Play Live MCP
Pay-per-call AI infra for agents: DeFi market data, LLM inference, STT/TTS. x402 v2, USDC on Base.
MCP server · io.github.MintMachineHQ
Basis Protocol Live MCP
Attested risk scores for stablecoins, DeFi protocols and wallets, with receipts.
MCP server · io.github.basis-protocol
Bitquery MCP Server Live MCP
Hosted on-chain data for AI agents: DEX trades, OHLCV, top traders, fund tracing, address labels.
MCP server · io.bitquery
BlockVectra: multi-chain RPC & Data API Live MCP
Keyless multi-chain EVM JSON-RPC, indexed Data API, docs, CU pricing and status. API key optional.
MCP server · com.blockvectra
Boar blockchain MCP (basic) Live MCP
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required - just add the URL to your MCP client and start querying balances, transactions, blocks,…
MCP server · boar-network
CaudexCatena MCP Live MCP
Blockchain intelligence for tracing funds, screening addresses, and investigating on-chain activity.
MCP server · com.caudexcatena
Chainflip Broker as a Service Live MCP
Native cross-chain swaps: Bitcoin, Ethereum, Solana, Polkadot, Tron, Arbitrum. Quote, swap, track.
MCP server · io.chainflip-broker
Coin Railz (travis-kellogg1) Live MCP
63 x402 micropayment services via USDC — crypto analytics, trading signals, NASA/ESA satellite data, IoT sensors, AI inference, and prediction markets. Coinbase AgentKit compatible. Pay per call with prepaid credits or…
MCP server · travis-kellogg1
Crank Protocol Live MCP
Non-custodial DeFi tools for AI agents on Solana: swaps, perps, lending, staking, equities.
MCP server · ing.crank
Data Wallet Verification Live MCP
Discover supported verification scopes and the claims they provide. Initiate and monitor data wallet verification flows to securely receive redacted wallet data. Clean up completed sessions to keep workflows organized.
MCP server · ThierryThevenet
defi-intel Live MCP
Operator-grade DeFi intelligence MCP. - 10 tools vs DefiLlama's basic 4, - adds governance proposals, - RWA attestation scores, - live X/Twitter narrative. - No enterprise subscription - and a one-call operator brief th…
MCP server · defibabylon
e3d.ai Live MCP
Blockchain analytics and AI agent platform for Ethereum. Query live token prices, on-chain stories, investment theses, and the E3D autonomous agent system — all backed by real-time indexed data. **Works anonymously** at…
MCP server · spacepacket
Grisoco AI security audits Live MCP
Smart-contract security audits for EVM chains and DAML: quote, run and fetch reports.
MCP server · com.grisoco
Harbor Crew Cross-Chain Report Live MCP
Paid read-only reports for 1–5 EVM addresses across four networks; 0.02 supported stablecoin direct.
MCP server · io.github.Rocket-Harbor-420
JarvisClaw — AI Gateway & API Marketplace Live MCP
320 AI models + 2,720 pay-per-call APIs. x402 USDC on Base or Solana, no API key.
MCP server · io.github.api-jarvisclaw
LI.FI Live MCP
Cross-chain swaps, bridging, and DeFi yield discovery via the LI.FI aggregator. Provides MCP tools for quotes, routes, token and chain metadata, transaction status, ERC20 allowances, and yield vaults across 58 chains, 2…
MCP server · li-fi
mainstreet Live MCP
Onchain AI-agent reputation oracle on Base. Get a 0-100 score + SAFE/CAUTION/BLOCK verdict for any Base wallet, agent, token deployer, or x402 endpoint in <100ms — EIP-712 signed and verifiable onchain against the MainS…
MCP server · philpof102
MEV Intelligence Live MCP
Real-time Ethereum liquidation intelligence for AI agents and MEV bots.
MCP server · io.advalorem.mev
Morse — Telegraph in Telegram Live MCP
Ask Telegraph's ranked miners from any MCP client, no wallet. Morse pays; each answer has a receipt.
MCP server · io.github.Harshyadav442277
Name Whisper — ENS Intelligence Layer Live MCP
44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.
MCP server · ai.namewhisper
Onvexia: Crypto Fundamentals, Sentiment & Onchain Tracking Live MCP
Crypto fundamentals, sentiment, whale tracking and influencer call accuracy for traders and agents.
MCP server · com.onvexia
Ophis MCP Live MCP
Gasless, MEV-protected onchain token swaps for AI agents on 14 EVM chains, built on CoW Protocol.
MCP server · fi.ophis
OurPay Wallet Live MCP
Crypto wallet for AI agents: balances, payments, swaps and trading with owner controls.
MCP server · io.github.Ourpay
ParaSure Live MCP
AI-native parametric insurance infrastructure. Live weather risk assessment via x402 (USDC on Solana). Full quote, bind, and settle protocol loop available in sandbox; live carrier integration in progress.
MCP server · brendan
Phoenix operational_context unpaid canary Live MCP
Unpaid qualification-gated operational_context canary. Staging data. No wallet.
MCP server · io.github.PhoenixClaw01
PlainText Wallet Approval Checker Live MCP
Explains wallet approvals and signature requests in plain language: SAFE, CAUTION or RISK.
MCP server · io.github.Fizzl13
PnL Labs — Solana Trust & Risk Checks Live MCP
Trust checks for Solana trading: realized-PnL wallet trust, token safety, trade cost, forensics.
MCP server · io.github.PnLlabs
Probity Wallet Reputation Live MCP
Pre-transaction risk screening for Ethereum addresses: signed score, sanctions, audit trail.
MCP server · ai.probitylabs
SAP MCP Server Live MCP
Solana-native MCP gateway for SAP, DeFi tools, SNS identity, and x402 payments.
MCP server · ai.oobeprotocol.sap.mcp
Sato Hub: Onchain Agents Live MCP
Search scored onchain-agent tooling: frameworks, MCP servers, wallets, x402 rails, deploy specs.
MCP server · ai.satohub
SENTINEL Compliance Intelligence Live MCP
AML/CFT compliance oracle: wallet screening, sanctions, PEPs, jurisdiction risk.
MCP server · io.github.INJprotocol
smarts.md Live MCP
Live docs for every verified smart contract. Point your AI at smarts.md: https://mcp.smarts.md
MCP server · defi-io
Solana Pulse: agent safety layer Live MCP
Stops AI agents losing money on Solana: pre-sign checks, intent matching, token verdicts. x402 USDC.
MCP server · io.github.Timothymycompc
Stockfilm. Authentic Vintage Footage Live MCP
Search and license 217,000+ authentic vintage 8mm home movie clips from the 1930s-1980s. Remote MCP server with 6 tools over Streamable HTTP. Text search, visual similarity, rough-cut timeline builder, rights verificati…
MCP server · stockfilm
Synmerco — Confidential Escrow for AI Agent Commerce Live MCP
The only MCP server with Confidential Escrow Mode — HIPAA/GDPR-ready encrypted transactions for regulated AI agents. 46 tools for the full agent commerce lifecycle. **Confidential Escrow** — encrypted transactions with…
MCP server · joelasota
Tape — Hyperliquid Analytics Live MCP
Live Hyperliquid perps analytics for agents: funding, OI, whale prints, leaderboard, wallet risk.
MCP server · com.tapeperp
The STALL (thebrierfox) Live MCP
293 AI-callable finance and data tools over MCP. No API keys required. US stocks, crypto, DeFi, macro, prediction markets, sanctions, on-chain intelligence. x402 USDC pay-per-call on Base. Built by IntuiTek1.
MCP server · thebrierfox
Token risk x402 Live MCP
Pre-trade token safety checks for AI agents on Solana and Base. x402 USDC per call, no key.
MCP server · com.ogenalabs

Related capabilities

x402 paid APIs Trading & markets Agent infrastructure Security & trust Research Crypto market data Maps & travel Web scraping

How to use one

MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.

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