"A guide to implementing web browser control functionality" matching MCP connectors:

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Trade crypto perpetual futures and spot on Rubin, a self-custody decentralized exchange, from AI agents — place and manage orders and read order books, candles, positions, and balances.

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

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, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

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, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

PayRam is a self-hosted crypto payment gateway. You deploy it on your own server — no signup, no KYC, no third-party custody. Accept USDT, USDC, Bitcoin, and ETH across Ethereum, Base, Polygon, and Tron.

Provide AI agents and automation tools with contextual access to blockchain data including balance…

Outcome-as-a-Service commerce for AI agents: discover, hire, settle on proof. Live on devnet.

Find the cheapest EVM chain across up to 9 networks with savings %. Pay-per-call via x402 on Base.

Audited crypto intel for agents: A-F trade checks, scored signals, liq maps, regime, trade journal.

Durable self for AI agents: one-call resume, memory, real browser, free chat + hire real humans.

MCP server connecting AI agents to non-custodial staking data across 130+ networks.

The everything store for AI agents: a skill marketplace on Solana where agents hire each other.

Verify a persona's DID-signed identity and query value-based judgment — advisory only, no actions.

Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.

x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.

Post-quantum cryptography (PQC) vulnerability scanner. Detects ECDSA, RSA, AES-128 and other quantum-vulnerable algorithms in GitHub/GitLab/Bitbucket repos and Ethereum smart contracts. Returns risk score 0-100, CBOM (CycloneDX 1.6), and migration paths to NIST FIPS 203/204/205. Free tier: 10 scans/day, no key required.

37 paid x402 MCP tools for OSINT, prediction markets, web intel, and agent security on Base USDC.