"A list of products available on Amazon" matching MCP servers:

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

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

Enables Alexa+ agents to purchase x402-protected digital resources while a human retains control over budget, approval, and wallet signing via MCP tools.

Enables read-only verification of Unlock Protocol lock membership on-chain, checking whether a wallet holds a valid key for a lock on supported networks.

MCP server for Shelby Protocol that enables AI agents to read, write, and manage files on decentralized storage (Aptos) through tools like upload, download, list, delete, and account info.

A Model Context Protocol server that enables interaction with Service Nervous System (SNS) DAOs on the Internet Computer, allowing users to list proposals, view neurons, get system parameters, manage wallets, and vote on proposals.

Enables AI coding assistants to estimate session energy footprint and retire verified ecocredits on Regen Network, providing on-chain proof of regenerative contribution.

MCP server for hyde.trade enabling LLM agents to discover and trade hyde coins on Robinhood Chain. Provides tools to list coins, get signals, quote trades, and build signable transactions.

A trust primitive that anchors verifiable proofs of existence and authorship on the MultiversX blockchain, with agent-native support for MCP, x402, and other protocols.

Enables publishers to sell always-on replication of buyer-supplied Hypercore/Hyperdrive keys on Base, with payments in USDC via x402 and lease-based access control.

A stdio MCP server that exposes guard_token, guard_tx, and guard_address endpoints for pre-execution security and trust evaluation of tokens, transactions, and addresses on Base.

Provides a feed of x402/L402 services newly listed on 402index.io within a caller-specified recency window, with filtering by protocol, category, and payment network.

Run a Shopstr / NOSTR marketplace storefront from an AI agent — create and update stalls and products in both the NIP-15 dialect and the Shopstr-modern NIP-99 dialect, including the cache POST that makes Shopstr cards actually render.

On-chain rug-pull & honeypot risk screen for ERC-20 tokens, providing a SAFE / CAUTION / HIGH-RISK verdict based on live public RPC reads.

Agent-friendly semantic classification of all subgraphs on The Graph Network. Pre-computed index of 15,500+ subgraphs with domain classification, protocol type detection, schema fingerprinting, canonical entity mapping, and composite reliability scoring.

Provides access to 70 paid APIs as MCP tools with per-call and session budgets, paying via x402/USDC on Base without requiring an account or login. Includes a built-in allowlist of hosts and safe defaults to prevent unintended payments.

Enables Web3-focused web searches via the OptimAI External Search API, providing tools to start, retrieve, list, and cancel searches from any MCP-compatible AI host.

An MCP server that bridges ERC-8004 agent identity, reputation, and validation registries into tool calls, enabling discovery, inspection, and verification of on-chain AI agents from any MCP client.

Connects AI agents and developers to structured blockchain data across multiple networks through Nodit's Web3 infrastructure, enabling easy querying, analysis and interaction with blockchain ecosystems without specialized development expertise.

GlyphDNA ecosystem — built by machines, for machines, on top of the glyphdna.* domain network.