"Open Source Intelligence (OSINT) tools and techniques" matching MCP servers:

Sovereign AI intelligence platform with 73K+ darknet threat intel points, 65+ divination systems, and Norwegian legal database. Tools: threat_search, threat_feed, threat_stats, oracle_reading, norlex_legal.

Enables AI agents to read live Shopify catalog snapshots, detect product, price, and stock changes against stored baselines, and produce competitor intelligence reports across single stores or batches of up to 50. Paid tiers settle automatically in USDC on Base through the x402 protocol, requiring no platform account or payment processor.

Enables agents to assess counterparty risk, token danger, and wallet creditworthiness on Base by analyzing contract powers and controlling wallet reputation.

Enables AI agents to verify Israeli companies and assess supplier invoice and payment risk before sending funds, exposing registry-backed evidence, company-change events, invoice gates, and x402 payee-trust checks with deterministic PAY/HOLD/BLOCK and ALLOW/REVIEW/DENY outcomes. It also provides free previews and schema/service discovery tools over remote MCP.

Methodology-transparent BTC + ETH whale forensics. 30 tools, anonymous OAuth 2.1 Free tier.

Real-time prediction market intelligence for AI agents. Query Polymarket and Kalshi markets, wallet profiles, smart money leaderboards, social pulse signals, price candlesticks, and orderbook data — 13 agents, one MCP connection. Powered by 1.1TB+ of historical data.

Provides access to measured x402 ecosystem data, allowing users to query which merchants actually accept payment (verified by real on-chain settlements) and explore market concentration and health statistics.

AI-powered smart contract security analysis for AI agents and developers, enabling scanning of Solidity repos for vulnerabilities.

Wallet-funded MCP client for six paid Utilia tools: Solana priority fees, transaction diagnosis and simulation, token-risk checks, PDF-to-Markdown, and audio normalization over x402. MIT-licensed and installable from npm.

Enables interaction with lightning addresses and common lightning tools via your LLM, providing Lightning Network functionality through natural language.

A comprehensive toolkit for Ethereum blockchain analysis within Claude AI, enabling contract auditing, wallet analysis, profitability tracking, and on-chain data retrieval.

Enables MCP clients to use paid tools for secret scanning, agent-config auditing, and OG image rendering, with payments handled over the x402 protocol on Base.

MCP server for managing TON blockchain sites, deployments, DNS, and storage via the Resistance Tools platform.

Provides Clockchain's verified-time primitives, notarization, smart-contract scheduling, audit trails, and agent identity verification to any MCP client.

Enables AI agents to interact with Ethereum smart contracts through Anvil, providing capabilities to read Solidity code, simulate and execute transactions, manipulate blockchain state, query events, and test contracts in isolated environments for development and auditing workflows.

Enables natural language interaction with the Avalanche blockchain through AI assistants, allowing users to execute Avalanche CLI commands and AvalancheJS API operations without technical knowledge.

Paid MCP server for EU tools: validate VAT numbers via VIES and get ECB euro FX rates, with per-call USDC payments on Base via the x402 protocol.

Complete DeFi intelligence — Yield, Staking, Restaking, RWA, Perps, Gas Optimization & Contract Security. One answer, not raw data.

This MCP wraps Bitrefill public API to allow agents to search for products and shop using cryptocurrencies like Bitcoin, Ethereum, Solana, and many more.

Solana KOL trading intelligence and deployer analytics. Query real-time trades from 946 tracked KOL wallets, convergence signals, PnL leaderboards, and elite Pump.fun deployer alerts — paid per request with USDC via x402.