# TopAI Sovereign Gateway — Universal Native MCP Server Hub
> Official Gateway: https://topaigateway.com | Docs: https://topaigateway.com/docs
> MCP JSON-RPC Endpoint: https://mcp-server-hub.topaisaas.workers.dev/mcp
> MCP SSE Endpoint: https://mcp-server-hub.topaisaas.workers.dev/sse
> OpenAPI 3.0 Spec: https://topaigateway.com/openapi.json

## Pricing & Cumulative Packs
- Free Sandbox: €0/mo (100 req/mo) at https://topaigateway.com
- Pack 1 (DevEx & FinOps - 100 APIs): €14/mo (10,000 req/mo)
- Pack 2 (Squad Velocity - 210 APIs): €29/mo (50,000 req/mo)
- Pack 3 (High-Scale & Infra - 310 APIs): €79/mo (250,000 req/mo)
- Pack 4 (Sovereign Enterprise - 400 APIs + DORA): €199/mo (1,000,000 req/mo)

## 19 Native Pre-Bundled MCP Tools
- topai_web_to_markdown: Extract clean, ad-free, noise-free Markdown and metadata from any public website URL for LLM context windows.
- topai_b2b_data_leads: Search, filter, and extract verified B2B leads by industry, country, company size, and executive job role.
- topai_company_enrichment: Deep B2B company intelligence: returns company name, sector, employee range, technographics, and contact graph from domain.
- topai_ai_web_search: Real-time, noise-free web search engine for grounding AI agents with current facts, URLs, and summaries.
- topai_semantic_cache: Sub-5ms semantic cache lookup and storage for LLM prompts to eliminate redundant generation latency and token expenses.
- topai_invoice_extractor: Structured financial entity parser: extracts vendor, invoice number, IBAN, line items, and totals from receipt/invoice text.
- topai_headless_screenshot: High-fidelity serverless web screenshot renderer: captures full-page or viewport visual captures and DOM metadata.
- topai_prompt_shield: Sub-millisecond prompt firewall: detects adversarial prompt injections, jailbreaks, toxic inputs, and PII leakage.
- topai_token_slimmer: Lossless compression for External HTML, JSON, or text payloads to cut LLM tokens by 30-70% (preserves 64-bit integers and null fields by default).
- topai_agentvision_crop: AI Agent visual ROI cropper: detects text blocks, UI buttons, charts, and tables from images for multimodal LLMs to slash vision tokens.
- topai_math_fact_checker: Deterministic financial, VAT, and invoice math engine using exact decimal HALF_UP (default) or HALF_EVEN rounding.
- topai_techstack_fingerprint: Sub-50ms BuiltWith alternative: detect 70+ CMS, eCommerce, CRM, Analytics, and CDN technologies powering a domain.
- topai_polymarket_arbitrage: Real-time Polymarket prediction market odds, cross-platform mispricing delta vs bookmakers, and Kelly criterion bankroll position sizer.
- topai_mcp_hub_registry: Introspect, list capabilities, and discover available MCP tools across the TopAI SaaS edge server portfolio.
- topai_pharmapatent_watcher: Global pharmaceutical patent expiration & generic entry tracker: queries Orange Book, exclusivity expiry dates, and generic threat levels.
- topai_healthcare_validator: Real-time medical professional license, NPI (National Provider Identifier Luhn 80840), and credentials verification engine.
- topai_google_ai_overview: Extract Google AI Overviews, cited source URLs, generative synthesis, and SERP organic snippets without headless browsers.
- topai_disposable_email_shield: Real-time temporary, throwaway, and disposable email domain detector with live DNS MX record heuristics and RFC 5322 validation.
- topai_openapi_flattener: De-reference all $ref pointers, circular schemas, and bundle OpenAPI / Swagger specs into a single zero-dependency JSON payload.