MCP Server Directory

Production-proven Polymarket CLOB V2 trading and data. Fail-closed fills; keys stay local.

CIPHER x402 — Paid Solana & Crypto Tools io.github.cryptomotifs/cipher-x402-mcp

8 CIPHER tools — Solana scan, breach check, Jito, FRED, Drift, repo health, more. x402-paid on Base.

Proximens Oracle io.github.cryptosun/proximens-oracle

1000+ Generative Engine Optimization (GEO) principles exposed via MCP for AI agents.

MCP server for ECDSA cryptography

JWT Decoder API io.github.Br0ski777/jwt-decoder

Decode JWT tokens — inspect header, payload, claims, expiry. x402 micropayment.

LSTM stock predictions with +15.92% alpha over S&P 500. 10-day forecasts & portfolio analysis.

x402-endpoints io.github.digitalweb33333-creator/x402-endpoints

x402 paid API tools for AI agents on Base: EU/global registries, crypto, wallet & agent trust.

x402-solana io.github.digitalweb33333-creator/x402-solana

x402 paid API tools for AI agents on Solana: crypto safety, market data, KYB/AML verification.

Nexus Finance API — compliance audit, VaR/RWA risk, market quotes and case management.

Knox Anchor com.bonissystems/knox-anchor

Bitcoin-anchored, tamper-evident audit-permanence layer for AI agents, FRE 902(13)/(14)-shaped.

Stripe-style USDC billing for any API. 8 free demo services no signup. Non-custodial.

Webhook Tester API io.github.Br0ski777/webhook-tester

Test webhook endpoints — send requests, measure latency, validate responses. x402 micropayment.

MCP server for Etherscan — Ethereum blockchain explorer API for AI assistants

Payment layer for AI agents. Send USDC, manage escrows on Base blockchain.

Flori Financial Data API io.github.goosemafia22-rgb/flori-financial-data

SEC EDGAR financials, insider trading, and economic data for AI agents. US GAAP + IFRS.

AI copilot for French accounting firms on Pennylane. Monthly close memo in 8s, full general ledger.

Open Identity Standard for AI Agents — DID, Agent Cards, delegation, reputation, payment & escrow

AI HUNTERZ — Autonomous Crypto Intelligence io.github.hunterzai16z/ai-hunterz

49 crypto intelligence APIs. Whale tracking, DeFi yields, alpha signals. Pay in USDC on Base.

OnchainAI io.github.Coinyak/onchainai

Crypto tool MCP: search/trust/install-risk. Remote tools/call is x402 paid.

CryptoAgentMail io.github.influqa/crypto-agent-mail

Hosted email MCP for AI agents with inboxes, send/receive, memory, recovery, and credits.

Japanese document AI for agents — invoice/meishi extraction, OCR, classification (hosted API).

Wudao A-Share Stock Data MCP io.github.jcdreamjc/wudao-mcp

China A-share data for AI agents: 57 read-only tools plus 6 tools for your own watchlist.

MCP server for smart contract ABIs and on-chain data from EVM and Solana via Crypto APIs

24 free personal-finance + macro tools (mortgage, paycheck, tax, FRED, BLS) for LLM agents.