"SPARQL query language and tools" matching MCP servers:

Enables AI assistants to query blockchain data across 30+ networks via Infura, using natural language for blocks, transactions, contracts, and more.

A Model Context Protocol server that enables interaction with Snapshot.org, providing tools to query Snapshot spaces, proposals, and users 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.

Exposes Lighter DEX data (volume, points, rank, liquidity, airdrop eligibility) as MCP tools, letting LLM agents query wallet farming stats in natural language. Read-only, no keys required, works with Claude, Cursor, and Cline.

Provides tools to query Nansen Smart Money on-chain data, including net flows, token holdings, and wallet labels and profiles.

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

Connects MCP-compatible agents with the OriginTrail Decentralized Knowledge Graph, enabling creation, retrieval, linking, and exchange of verifiable knowledge using natural language and SPARQL queries.

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

Let AI agents interact with the WAX blockchain. Query balances, explore NFTs, track prices, and monitor transactions through natural language.

A bridge that enables AI language models to publish content to the Nostr network by implementing the Model Context Protocol (MCP).

Enables Claude to increment and query a counter deployed on the Linera blockchain via natural language, using an Apollo MCP server bridge.

Exposes Base mainnet chain query tools over MCP, letting clients fetch an address's native balance and current gas fee estimates (slow/standard/fast urgency) from an upstream HTTP API. Paid tools are gated by x402 micropayments settled through the CDP facilitator, with a free health check and a documented free-trial allotment.

Provides Clockchain's verified-time primitives, notarization, smart-contract scheduling, audit trails, and agent identity verification to any MCP client.

A production-ready MCP server that wraps the Kxcoscan blockchain explorer API into structured endpoints for AI agents. It enables users to query wallet balances, transaction histories, token transfers, and contract details via natural language.

Enables digital collateral intelligence through tools that query public DeFi and on-chain data for analysis.

A Model Context Protocol server providing tools for querying Bitcoin blockchain data via Blockchain Data and Query APIs, supporting various BTC information retrieval functions.

Connects to Lightning Network nodes and enables natural language queries for channel information, providing both human-readable responses and structured JSON data through the Model Context Protocol.

Enables natural language interaction with the Avalanche blockchain through AI assistants, allowing users to execute Avalanche CLI commands and AvalancheJS API operations without technical knowledge.

Enables AI assistants to manage Coinbase wallets, trade assets, interact with DeFi protocols, and query on-chain data through natural language.