API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| usaspending-mcp-server This is an MCP server to interact with the USASPENDING.gov API | Python | — | — |
| US Building Permit Aggregator Pull recent building permits from 9 US cities in a unified schema from official open-data portals. | — | — | — |
| US Census Bureau Data Query US Census Bureau data: demographics, economics, and housing statistics. | — | — | — |
| US Census Data Natural language access to US Census Bureau API with 1,700+ demographic and economic datasets. | — | 2 | — |
| Usda Fdc USDA Food Data Central MCP | — | — | — |
| USDV Capital — Your Real Estate CFO Real estate market intelligence, financial calculators, and capital advisory tools covering all 50 US states plus DC and Puerto Rico. Access CFO-level market data for 86,000+ locations, calculate DSCR and flip ROI with professional assessments, check financing eligibility, and screen investment opportunities — powered by Census ACS and Zillow data. **23 tools** across 5 categories: - **Market Intelligence** — Search 86K+ locations, compare markets side-by-side, find nearby opportunities, screen pre-scored investment cities - **Financial Calculators** — DSCR, flip ROI, rental cash flow, BRRRR, STR revenue, cash-to-close, construction budget — each with CFO-level assessment - **Eligibility & Products** — Check financing availability by state, browse capital solutions (Fix & Flip, DSCR, Bridge, Construction, Multifamily up to $50M, Build-to-Rent up to $50M) - **Deal Analysis** — Full deal underwriting combining market data, calculator output, and eligibility in one call - **Utility** — Property tax lookup, insurance estimates, rent estimates, neighborhood analysis, 1031 exchange calculator, entity structure guidance USDV Capital is Your Real Estate CFO — a capital advisory platform helping real estate investors structure, source, and optimize financing from $150K to $50M. | — | — | — |
| use-aws-mcp-server MCP server that provides AWS CLI integration for AI assistants, enabling execution of AWS API calls with proper parameter validation and error handling | Python | — | — |
| uselessfacts Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth) | — | — | — |
| User Agent Parser API Parse user agents — browser, OS, device, bot detection. x402 micropayment. | — | 0 | — |
| UserGuiding Manage users, track events, companies, and knowledge base articles in UserGuiding. | — | — | — |
| UseWebhook Generates unique webhook endpoints on usewebhook.com for capturing and inspecting HTTP requests without requiring account setup or configuration. | — | 2 | — |
| Usgs Volcano USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth) | — | — | — |
| usgswater USGS Water MCP — wraps USGS National Water Information System (NWIS) REST services (free, no auth) | — | — | — |
| @us-legal-tools/courtlistener-sdk TypeScript SDK and MCP server for CourtListener API | TypeScript | — | — |
| Utilify AI agents compare and sign up for Texas utility plans: electricity, internet, gas, water, trash. | — | — | — |
| utility-mcp-server A utility Model Context Protocol (MCP) server with remote repository support | Python | — | — |
| UUID Generator API Generate UUIDs v4, v7, ULID, nanoid. Batch support. x402 micropayment. | — | 0 | — |
| uupt-mcp-server uupt.com openapi mcp server | Python | — | — |
| uupt-mcp-server-aaron uupt.com openapi mcp server | Python | — | — |
| UX-Auditor-Pro Visual UI/UX scanner auditing websites for heuristic compliance. | — | — | — |
| Vaara Runtime governance proxy for MCP servers. Risk scoring, hash-chained audit, per-tenant policy. | Python | — | — |
| Valuein — SEC EDGAR Fundamentals Point-in-time, survivorship-bias-free SEC EDGAR fundamentals for AI agents. 1993 to present. | — | — | — |
| VantaGate Human-in-the-loop approval system for AI agents with OpenAPI integration. | TypeScript | 1 | — |
| Vantage — Signal Tracker Save and query market signals from your AI conversations. | TypeScript | 1 | — |
| Vapi Integrates with Vapi voice AI platform to manage assistants, calls, phone numbers, workflows, and analytics while enabling voice infrastructure control and conversation data analysis. | — | 3 | — |