API Integration

Wrappers around third-party REST, GraphQL, and webhook APIs — Stripe, Twilio, SendGrid, GitHub, and similar services.

OAuth misconfiguration · token exposure · SSRF
9,037Total Servers
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ServerLanguageStarsDownloads
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.

by dizzyvinci

US Census Bureau Data

Query US Census Bureau data: demographics, economics, and housing statistics.

by Taru0208

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

by pipeworx-io

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.

by USDVCapital

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

by moritalous

Python
uselessfacts

Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth)

by pipeworx-io

User Agent Parser API

Parse user agents — browser, OS, device, bot detection. x402 micropayment.

by Br0ski777

0
UserGuiding

Manage users, track events, companies, and knowledge base articles in UserGuiding.

by 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)

by pipeworx-io

usgswater

USGS Water MCP — wraps USGS National Water Information System (NWIS) REST services (free, no auth)

by pipeworx-io

@us-legal-tools/courtlistener-sdk

TypeScript SDK and MCP server for CourtListener API

by beshkenadze

TypeScript
Utilify

AI agents compare and sign up for Texas utility plans: electricity, internet, gas, water, trash.

by Utilify-io

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.

by Br0ski777

0
uupt-mcp-server

uupt.com openapi mcp server

by uupt

Python
uupt-mcp-server-aaron

uupt.com openapi mcp server

Python
UX-Auditor-Pro

Visual UI/UX scanner auditing websites for heuristic compliance.

by Evozim

Vaara

Runtime governance proxy for MCP servers. Risk scoring, hash-chained audit, per-tenant policy.

by vaaraio

Python
Valuein — SEC EDGAR Fundamentals

Point-in-time, survivorship-bias-free SEC EDGAR fundamentals for AI agents. 1993 to present.

by valuein

VantaGate

Human-in-the-loop approval system for AI agents with OpenAPI integration.

by Aderix

TypeScript1
Vantage — Signal Tracker

Save and query market signals from your AI conversations.

by Cavendo-AI

TypeScript1
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