"TypeScript type checking tool or function" matching MCP servers:

A Model Context Protocol server that enables interaction with Polymarket prediction markets through Claude Desktop.

A tool that enables users to interact with blockchain data to retrieve token total supply, chain IDs, and filtered RPC endpoints across different blockchain networks.

Official CoinGecko API MCP Server for Crypto Price & Market Data. More details: https://docs.coingecko.com/reference/mcp-server

Enables AI agents to deploy and manage compliant tokens across multiple blockchains (EVM, Solana, Stellar) using natural language, with features like whitelist, blacklist, and pausable contracts.

MCP server that enables AI signing agents to pre-flight transactions by checking ERC-7730 descriptor safety, explaining function semantics, and scanning contracts for danger primitives.

Connects AI assistants to live CryptoPunks data for looking up individual punks, checking floor prices, and analyzing wallet portfolios. It provides 28 tools for market research and rarity analysis without requiring wallet setup or API keys.

Enables AI agents to mint and manage ERC-8004 identities on Arc through free self-minting from their own wallet or paid x402 minting, including drafting registration files, confirming on-chain registration, editing owner-signed files, and checking status.

Enables lookup of Nostr profiles and checking of Vertex API credit balance using the Vertex API.

Lets you probe ERC-8004 agents on BNB Smart Chain by calling their declared MCP or A2A endpoints, checking payment requirements, reading on-chain reputation authorship, and finding agents by description.

Real-time fact-checking agent. Verifies claims and URLs against live web sources. Returns CURRENT, OUTDATED, DISPUTED, or UNVERIFIABLE verdicts with confidence scores and what changed. x402 payments on Base.

Enables AI agents to pay per tool call in USDC via the x402 micropayment protocol, with no API keys or subscriptions required.

Hashlock Markets — sealed-bid intent-based crypto trading via MCP for AI agents. Atomic cross-chain settlement (Ethereum, Bitcoin, Sui) using HTLC. Six MCP tools for RFQ price discovery without information leakage and HTLC settlement without escrow or bridges. Canonical npm: @hashlock-tech/mcp.

MCP server for local transaction signing across EVM, UTXO, Tron, and XRP blockchains, with no network calls or API keys required.

Enables cross-chain swap execution across 12 venues and 17 chains, including native Bitcoin as source or destination, with tools for quoting, execution, status, and health checks. No signup, API key, or protocol fee required.

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.

This MCP server enables AI agents to interact with Ripar's decentralized registries on Algorand, offering tools for searching agents, checking reputations, listing jobs, auditing settlements, and composing unsigned transactions for payments.

Cross-chain bridge aggregator MCP server for AI agents. Compares routes across LI.FI, deBridge, Relay, Across and Squid to find the best rate. Use when an agent needs to bridge or swap tokens between EVM chains, Solana, or Cosmos. The aggregator of aggregators.

MCP server for researching tokenized real-world assets on Solana. It provides on-chain tools for checking token controls, supply, liquidity, and premium, plus published research from Metis.

A read-only MCP server for safely exploring Nostr, enabling agents to resolve identifiers, fetch profiles and events, query notes, and inspect relay metadata. It does not accept private keys or publish events.

Enables AI agents to interact with a Liquid network wallet, including balance checks, transaction history, and sending L-BTC or Liquid assets. Backed by an in-process LWK wallet, requiring only a mnemonic, with both stdio and HTTP support.