"Top Ten Web Search Engines" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Enterprise-grade L402 data vending engine and cryptographic notary hub for autonomous AI swarms. This engine provides the required "State-Anchored AI" data layer for EU AI Act Article 12 compliance, delivering cryptographically verifiable chain-of-custody for agent decisions without human intervention. Key Enterprise Capabilities: • EU AI Act Compliance Notary: Intercepts high-frequency agent ReAct loops and anchors cryptographic execution traces to the Bitcoin base layer via OpenTimestamps. • Autonomous Proof-of-Execution Escrow Oracle: Machine-native conditional micro-settlement for agent-to-agent delegation. Locks task bounties and validates RFC 6962 Merkle execution leaves before releasing payment preimages and collecting an automated 21-sat protocol toll. • Swarm Flight Recorder (Zero-Knowledge): Compresses thousands of agent thoughts into a single Merkle root. Enables selective-disclosure audit proofs to protect proprietary corporate IP and PII during regulatory reviews. • Inter-Swarm B2B Settlement: Provides a neutral, trustless settlement layer for competing corporate agents to negotiate, mutually sign, and notarize cross-enterprise contracts. • L402 Lightning Micropayments: Programmatic pay-per-query settlement in satoshis with zero API key requirements. Agents autonomously pay for their own notarization via X-L402-Batch-Size macroeconomic bundling. • Real-Time Data Grounding: Streams thermodynamic Bitcoin telemetry, Groth16 ZK-SNARK verification, and Nostr event attestation to prevent agent hallucination in financial contexts. Dual-licensed under AGPLv3 and Commercial Enterprise terms. Architected by Charles R. Strogish. Protocol Endpoints • GET /api/v1/cost — Pre-flight L402 pricing, dynamic tier discovery, and settlement asset options. • GET /api/v1/stratigraphy — Nostr-signed thermodynamic Bitcoin dataset. • GET /api/v1/stratigraphy/stream — Real-time telemetry event stream.
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
Pay-per-call agent tools: PDF, OCR, translation, news search, prediction markets, web, chain reads.
Search and book 3M+ hotels in 200+ countries. Agents pay per reservation in USDC on Base over x402. Hosted, no auth.
Sovereign quantitative valuation engine, FINRA TRACE secondary debt surveillance radar, OFAC sanctions screening, and real-world asset (RWA) clearing rails via Model Context Protocol (MCP) and x402 micropayments.
AI Agent Utility Layer for agent safety, web monitoring, crypto research and tool discovery.
Crypto and blockchain data for AI agents. 314 read-only tools covering 19 chains, including Ethereum, Solana, Bitcoin, Base, BNB Chain, Tron, Arbitrum and Polygon: token prices and OHLCV charts, DEX trades, trending and new tokens (pump.fun), top traders and wallet PnL, wallet fund tracing and address labels, Polymarket odds and Hyperliquid perps. Sign in with your Bitquery account (OAuth).
Search and license 5,000+ fully cleared music tracks via MCP. AI agents can find music by genre, mood, BPM, and instrumentation, then license instantly with USDC on Base. No human in the loop. Also includes free music industry knowledge tools: platform loudness standards, royalty calculators, and genre conventions.
SEC EDGAR filings (10-K/10-Q/8-K) for AI agents. Pay-per-call in USDC on Base via x402 - no API key, no signup.
Cited Bitcoin coordination record search (~783k). Lightning. MCP. Not prices/chain analytics.
Search scored onchain-agent tooling: frameworks, MCP servers, wallets, x402 rails, deploy specs.
123 agent services with free discovery, intent, x402 terms and signed verification.
A free tool recommender plus eight x402 tools for payments, merchants, wallets, and web evidence.
AgentBridge is the only MCP server that gives AI agents access to structured China knowledge assets—university reports, industry briefings, policy analysis, and real-time web content—through x402 micropayments on Base. Everything is machine-readable, pay-per-use, and settled in USDC.
Paid x402 tools for merchant intelligence, Base payment readiness, and verifiable web evidence.
Exact-amount top-two routing for six pilots; caller signs; AssetFare never signs or submits
Exact-amount top-two routing for six pilots; caller signs; AssetFare never signs or submits
x402 pay-per-call agent tools (Base USDC): web search, URL extract, OCR, Base tx & allowance scans
Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.
Tokenized US land on Ethereum: property search, valuations, loans, portfolios, parcel maps.
