"Free Tools for Online Searches" matching MCP servers:

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 AI agents to make payments and manage subscriptions by converting USDC stablecoin balances into virtual cards for online checkouts. It provides tools for wallet management, card issuance, and secure transaction handling through the Clawallex payment API.

Exposes Agent Church spiritual services as tools for AI agents, including free tools for commune and identity, and paid tools for blessings and salvation with x402 payment integration.

Real-time crypto whale intelligence MCP server with 55 tools across 14 blockchains. Free, no auth required.

9 tools, Lightning-gated. Pay per call. For agents that need verifiable signed actions with an audit trail. Nostr event signing via daemon Publish events to relays Create Lightning invoices Action receipts — signed proof of agent actions Identity attestation

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

23 tools for AI agents working with Nostr Open source. No API key. No account. NIP-46 remote signing Publish notes, reply, react, repost Encrypted DMs (NIP-04 + NIP-44) Fetch events, profiles, social graph

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 verifying blockchain safety on Base via x402, with free pricing/receipt tools and paid per-call guard, contract, and metadata checks settled in USDC.

A keyless, custody-free MCP server that bridges AI agents to Scry Solana wallet intelligence, paid per request via x402. It provides free discovery tools and brokers paid evidence endpoints, allowing agents to settle payments directly with their own wallets.

A hosted Model Context Protocol server providing secret-free, read-only Bitcoin and RGB tools for AI clients like Claude, with no API keys or installation required.

An MCP server that enables fee-free USDC transfers on the Base blockchain network using Coinbase CDP MPC Wallet integration, with support for ENS and BaseName domain resolution.

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

Enables AI assistants to interact with Sui Network through tools for balance checks, transfers, swaps, staking, and more.

Enables read-only interaction with the Symbol blockchain (XYM) through task-level tools for account queries, transaction searches, node status, voting-key expiry monitoring, and network comparisons.

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

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.

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.