"Web3.js" matching MCP servers:

MCP server providing access to Spain's National Statistics Institute (INE) Tempus3 JSON API, enabling querying of Spanish statistical data through natural language.

Enables access to Statistics Iceland data through the PxWeb API for querying tables and navigating subject trees.

Enables retrieving full statutory text of United States Code sections by citation, listing all 54 titles and their subjects, and searching section headings by subject.

Provides access to US state and local government contracts and spending data, normalized across jurisdictions, without requiring an API key.

Classifies product descriptions to official HS codes and validates supplier-provided codes using government tariff schedules via the HSPing API.

Exposes deadline-driven Japanese public-sector business opportunity data (tenders, subsidies, sanctions) to AI agents, with per-call payment via the x402 protocol.

MCP server providing raw Japanese regulatory corporate data, including pension headcount logs, statutory financial disclosures, and government procurement records, metered via x402 micro-payments.

Look up Polish companies from any AI assistant: registry data (KRS, REGON, CEIDG), VAT white list checks before payments, and financial statements of 4.4M businesses. Read-only tools backed by official public registers.

Deterministic SNAP eligibility logic, exposed as auditable Model Context Protocol tools. An AI agent can read, reason, and orchestrate, but the eligibility determination itself is made by versioned, tested, cited code that a caseworker, an auditor, or a court can inspect.

Search official US government data from any MCP client: building permits from 10 city open-data portals, federal contract opportunities from SAM.gov with contracting-officer contacts, and the CMS NPI healthcare-provider registry. Open-source TypeScript server; data delivered via Apify's pay-per-result actors using your own Apify token.

Polish phone number lookup: who called, spam and scam checks, UKE DNO registry, CERT phishing stats

An MCP server that provides access to Japan's central and municipal subsidies, covering over 20,000 municipal grants not exposed by official APIs, with tools for search, comparison, citation verification, and practitioner referrals.

Enables AI agents to query and analyze US-Mexico remittance data from Banco de México, with tools for national totals, Mexican states, municipalities, US states, and coverage information.

An MCP server that gives you access to Austria's official legal database, the Rechtsinformationssystem (RIS).

Searches and retrieves Japanese national legislation from the official e-Gov API, providing verifiable citations with stable URLs and human-readable references.

MCP server for Japanese public business data, enabling AI agents to validate and look up corporate numbers, search bank/branch codes, and check national holidays. Runs locally with no telemetry; live corporate registry data requires a free NTA app ID.

MCP server for the Congress.gov API that tracks US federal legislative process, providing tools to search bills and get bill details.

An MCP server for the Spanish BOE open-data API that retrieves metadata, structure, and full consolidated text of Spanish legislation using BOE IDs or dates, providing verifiable ELI identifiers and citations.

MCP server for U.S. federal law that enables searching the U.S. Code, CFR, Federal Register, case law, and bills, with citation verification against primary sources to prevent hallucinations.

Provides access to over 2.5 million US alcohol label records from the TTB via the COLA Cloud API. It enables users to search for labels by brand, barcode, or permit holder and retrieve detailed product information including label images and ABV.