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A tool bench for AI agents

Explore every mock MCP.

Find a service, investigate its contract, and send a tool call. See exactly what goes in and what comes back.

6,019mockable services
115,665cataloged operations

Synthetic data. Captured and projected contracts. Inspect each service’s source and limitations.

All MCP services

6,019 services · page 155 of 168
smithery

Upfixe Ads

sm--george-mvur-upfixe-ads

Create and manage Google Ads campaigns from chat. Upfixe turns natural-language briefs into budget-aware Google Ads campaigns: Keywords, ad copy, structure, an

27 operations27 with captured input schemas
composio

Uploadcare

cx--uploadcare

Uploadcare is a comprehensive file handling service that offers uploading, storage, processing, and delivery solutions for web and mobile applications.

12 operations12 with captured input schemas
smithery

uprate-mcp

sm--upratehq-uprate-mcp

Connect your App Store and Google Play reviews to Claude, Cursor, and any MCP-compatible AI assistant through UprateHQ. Browse and filter reviews, reply to user

16 operations16 with captured input schemas
smithery

Upsolve AI Analytics Agent

sm--upsolve-analytics

The Upsolve AI MCP server connects LLMs to your data warehouse, turning plain-English questions into SQL queries, charts, and AI-generated insights — all render

1 operations1 with captured input schemas
smithery

UptimeBolt MCP Server

sm--uptimebolt-mcp-server

AI-powered infrastructure monitoring — query monitor health, incidents, AI predictions, root cause analysis, deploy safety checks, and executive summaries via M

10 operations10 with captured input schemas
composio

Uptimerobot

cx--uptimerobot

UptimeRobot is a service that monitors the uptime and performance of websites, applications, and services, providing real-time alerts and detailed logs.

18 operations18 with captured input schemas
smithery

Urantia Papers

sm--urantiahub-urantia-papers

A free, open MCP server for **The Urantia Papers** — 197 papers, 1,626 sections, 14,500+ paragraphs, 4,400+ entities. No authentication required. ## Tools (13)

13 operations13 with captured input schemas
smithery

url-shortener

sm--toui-io-url-shortener

toui is the short-link service embedded in your AI workflow. Connect its remote MCP server once — OAuth, no API key — then shorten links, group them into campai

1 operations1 with captured input schemas
smithery

US Weather

sm--emmanuel-apiworlddemoweather

US Weather — captured from the smithery registry (smithery-registry); 58 tools.

58 operations58 with captured input schemas
smithery

USASpending.gov

sm--1102moderator-usaspending-gov-mcp

MCP server for USASpending.gov federal contract, award, subaward, recipient, agency, and federal account data. v0.3 expands coverage to **55 tools** across: -

55 operations55 with captured input schemas
smithery

UseAgents

sm--useagents-useagents

Discover developer tools, then fetch tool-specific implementation context before using them. Powered by the UseAgents registry.

2 operations2 with captured input schemas
smithery

Useful AI

sm--useful-ai-useful-ai-mcp

A fully dynamic MCP server exposing 200+ shared utility tools for AI agents. The tool list updates automatically based on real usage data, so your agent always

27 operations27 with captured input schemas
composio

Userflow

cx--userflow

User onboarding software. Build product tours, checklists and more. No coding needed.

18 operations18 with captured input schemas
composio

Userlist

cx--userlist

Userlist is a full-stack email automation platform designed for SaaS companies, enabling targeted behavior-based campaigns through email and in-app messages.

2 operations2 with captured input schemas
smithery

UseWait

sm--usewait-waitlist

UseWait — captured from the smithery registry (smithery-registry); 29 tools.

29 operations29 with captured input schemas
smithery

ustidnr-mcp

sm--mavengence-ustidnr-mcp

Validate EU VAT IDs directly from your AI assistant. The only MCP server with qualifizierte Bestätigung (qualified confirmation) — the legally required proof fo

3 operations3 with captured input schemas
smithery

utilsforagents-mcp

sm--utilsforagents-utilsforagents-mcp

A suite of essential utility tools for AI agents, featuring clean HTML-to-Markdown scraping, JSON diffing, and image EXIF metadata scrubbing. Powered by the x40

9 operations9 with captured input schemas
smithery

UX-Auditor-Pro

sm--evozim-hv-ux-auditor-pro

UX-Auditor-Pro is a premium micro-service from the M2MCent factory, configured as a Model Context Protocol (MCP) server. Functionality: Perito de Experiencia de

1 operations1 with captured input schemas