"A browser focused on stealth or privacy features" matching MCP servers:

Made-to-order data for AI agents via x402 micropayments on Base. Describe a need in plain language, get a custom quote, pay per call. No signup, no API keys. HTTP + MCP transports. 5 tools.

Cross-chain cryptocurrency swaps via Chainflip. Get quotes, execute swaps, and track progress. No API key required to get started.

On-chain delivery receipts for x402 AI-agent payments on Solana: anchors SHA-256 digests of delivered content to a PDA after settlement; buyers verify proof of delivery offline with zero trust in the seller. Live MCP endpoint + npm bridge.

Live verifiable on-chain data for the $BOBAI token on BNB Chain: price computed from pair reserves × Chainlink (no price API), liquidity depth with LP-burn proof, buyback-and-burn audit trail, and fee-on-transfer-safe trade params. 13 read-only tools + 2 guided prompts, no API key.

fomox402 broker + MCP server for last-bidder-wins games on Solana. Drop one URL into Claude / Cursor / Goose / Cline and the agent auto-registers a Privy-managed Solana wallet (faucet-funded with ~0.0024 SOL + $fomox402), bids via x402 micropayments, claims dividends, and plays autonomously. 14 tools wired up — register_agent, place_bid, claim_winnings, claim_dividend, list_games, get_me, etc. Str

Pay-per-call MCP server for on-chain blockchain data including wallet profiles, token metrics, protocol TVL, and gas prices.

Provides 205 tools for the Basis protocol on BNB Smart Chain, enabling trading, token creation, prediction markets, staking, loans, and more via natural language.

Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.

The safety layer that checks a DeFi transaction or token before your agent (or you) signs — on Base L2.

Enables AI agents to interact with MIST.cash privacy-preserving payment protocol on Starknet, supporting private transactions with multiple tokens (ETH, USDC, USDT, DAI) through zero-knowledge proofs.

Enables privacy-preserving interactions with the Penumbra blockchain, offering tools for transaction queries, validator set information, DEX state, and governance proposals.

Enables AI agents and MCP hosts to anchor file hashes to Bitcoin via OpenTimestamps and verify proofs, ensuring files existed before a given time with privacy-preserving local hashing.

DEX trading MCP server enabling autonomous token swaps on Base (Uniswap v3) and Solana (Jupiter) for AI agents, with privacy-first design and read-only mode.

Provides AI assistants with a comprehensive toolkit for developing, testing, and deploying smart contracts on the Agoric blockchain. It supports key Agoric features such as the Zoe contract framework, ERTP asset handling, and cross-chain orchestration patterns.

Enables agents to burn ZC to publish messages or knock at ENS doors, privately zip and unzip assets into Ethereum Privacy Pools, pay zk.money tags in private DAI, and inspect notes, door pages, daily activity, and prices via MCP tools.

Enables agents to sell or access Ethereum JSON-RPC requests over x402 with per-call USDC payments on Base, no accounts or API keys, including per-method pricing, policy enforcement, and privacy protections.

MCP server for a pre-interaction risk check on any EVM contract/token, enabling agents to verify contracts before approving, swapping, or trusting an address.

Provides developer-focused documentation and tools for building applications on Amp, a high-performance blockchain ETL system. Includes guides, schemas, code examples, and troubleshooting resources for querying and transforming blockchain data.

Self-hosted CLI and MCP interface for ZKResistor privacy pools on TON, enabling local Groth16 proof generation and pool operations.

Enables AI agents to autonomously trade, analyze, and manage positions on Polymarket prediction markets with 45 tools, real-time WebSocket monitoring, and enterprise-grade safety features.