"Free things, offers, and resources" matching MCP servers:

Enables trademark clearance and research across EU and Benelux registers, plus company, group-structure, and EU VAT lookups, all through free public sources without API keys.

Deterministic US equity-compensation tax optimizer. Six tools cover ISO/AMT exercise scheduling, NSO sell-vs-hold, RSU vest-and-sell, single-stock concentration, protective put / zero-cost collar pricing, and Section 1202 QSBS qualification. Federal plus 50-state plus DC tax math.

Medicare claim documentation lookup for CPT codes against live CMS sources, returning structured requirements and document URIs with optional enrichment via RCI APIs.

A server for querying, practicing, and analyzing exam questions from Taiwan's national examinations, offering 20 tools including search, statute lookup, weak topic review, and readiness assessment.

MCP server for the RegIntel API — structured regulatory data across 41 jurisdictions and 212 regulations

IBAN validation across 89 countries, BIC/SWIFT and Swiss clearing lookup, batch validation, payment-reference, postal-address and Swiss QR-bill checks for AI agents. Connect via MCP or the REST API. Includes free quotas, paid credits and a Pro subscription. SEPA and country-risk indicators support payment-data checks; they do not confirm account ownership or replace beneficiary AML/KYC screening.

Enables high-performance access to USPTO Final Petition Decisions API with intelligent context reduction (80-99%), customizable fields, hybrid document extraction (free PyPDF2 + Mistral OCR fallback), and seamless cross-MCP integration for complete patent lifecycle analysis including prosecution history, PTAB challenges, and citation intelligence.

Resolves a company name, registrable domain, or LEI to its GLEIF legal entity record — LEI, legal name, jurisdiction, entity status, and registration status — for $0.05 USDC on Base paid per call over x402, with no signup or API key. Includes a free, no-wallet preview of price and coverage plus hard per-call and per-session spend caps, while misses and ambiguous matches cost nothing.

MCP server that allows AI assistants to verify, compare, and explain brand names using live trademark, domain, and cultural data, with a free anonymous tier.

Monitor taken usernames and get alerted the moment they free up or drop, so you can claim a handle before anyone else. Also checks live username availability across the major social platforms, domain availability across popular TLDs, and screens names for trademark conflicts.

Construction trade compliance MCP server. Covers electrical, plumbing, HVAC, welding, roofing, gas fitting, solar and more across Australia, UK, USA, Canada and EU. 8 tools (3 free, 5 pro): compliance checking, cable sizing, RAMS generation, safety checklists, material compliance verification and inspection requirements. Works in Claude Desktop, Cursor, Windsurf and any MCP client.

Privacy-preserving AI gateway. Sanitises PII before prompts reach Anthropic / OpenAI / your LLM, then emits a signed cryptographic certificate per call (Ed25519 + RFC 3161 + Sigstore Rekor). EU GDPR + AI Act ready. Free tier 500/mo with BYOK.

Contract and wills legal tools for AI agents: statute-cited requirements per contract type and US state, non-compete enforceability for all 50 states + DC, intake schemas, async multi-agent contract drafting with free previews, and contract risk analysis.

MCP server that exposes Italian workplace safety data (D.Lgs 81/08) to any MCP-compatible AI assistant, providing tools and resources for querying ATECO sectors, required training courses, renewal schedules, glossary terms, and regulations.

Free, no-auth generator for professional debt-collection demand letters as print-ready PDFs (formal letter + matching envelope), localized for 100+ jurisdictions and 33 languages. Tools: list_jurisdictions, preview_demand_letter, generate_demand_letter.

MCP server that exposes PrivacyTracker's app privacy data, changelogs, policy diffs, and sync status through read-only tools and resources for MCP-compatible clients.

Enables AI agents to generate privacy policies, terms of service, EULAs, cookie policies, and disclaimers directly within the development workflow, with free previews and optional full-document unlocking via a one-time license key.

Look up Russian companies by INN (tax ID) from Claude Desktop, Cursor or any MCP client: full company card, multi-year financials from official tax filings, bankruptcy and state-inspection history, trademarks and sanctions lists. Works without an API key — the anonymous free tier is enabled by default.

Enables U.S. exclusion, debarment, and license screening for agents, returning results with Ed25519-signed receipts of which list snapshots were checked.

Agent-native knowledge infrastructure. Deterministic, vertical-specific knowledge bases for autonomous agent consumption via MCP. Ethics modules mapped to EU AI Act articles. Free 24-hour trial.