Servers that connect to ChatGPT by URL or config. Every card carries the server address and the step-by-step ChatGPT setup.
Usero is a user feedback tool for startup teams.
- Start Signup: Get a Usero API key without leaving the agent. Emails the user a sign-in link; clicking it creates their Usero account if needed and issues an API key for this MCP client. Returns a poll
- Check Signup: Poll after start_signup. Returns { status: "pending" } until the user confirms on the emailed page, then { status: "ready", apiKey } exactly once; the pollToken is dead after that. Poll
Docs & Notes · No sign-in · Free
Query real user session replay data: tapes, transcripts, error/rage-click filters, alerts.
Development · API key required · Free
Design in-product voice interviews, review source-linked evidence and push work to GitHub or Linear.
- Evidence.Get: Get one bounded Evidence record with its quote, observed behavior, source interview reference, seek timestamp, page context, review state, and linked Work references. Use after evidence.
- Evidence.List: List bounded Evidence summaries and source references captured from interviews. Use when selecting evidence to inspect, group into Work, or pass to another analysis tool. Defaults to th
- Interviews.Get Context: Get a bounded transcript and synchronized navigation/click window around an evidence timestamp. Behavior events expose only controlled route vocabulary and element kinds, never
Tasks & Projects · No sign-in · Free
UserTold runs AI-led interviews and usability tests on your website, while people are using your product.
- Evidence.Get: Use when verifying one observation from evidence.list or study results. Returns the quote, observed behavior, interpretation, source interview and timestamp, page context, review state,
- Evidence.List: Use when searching interview evidence for user problems, needs, workarounds, or successful experiences. Returns paginated quotes, observations, and source references for review or group
- Evidence.Update: Use when reviewing an interview observation. Replaces or clears its annotation, dismisses it with a reason, or restores it with dismissed=false; returns the updated evidence. Changes
Tasks & Projects · No sign-in · Free
Run in-product voice interviews with AI agents and analyze source-linked evidence.
Automation · No sign-in · Free
Official Usertour MCP Server for in-app onboarding: flows, checklists, surveys, and analytics.
Analytics & Data · No sign-in · Free
Query NPS, CSAT, CES, and PMF survey results, responses, and links for your UserVane project.
Tasks & Projects · API key required · Free
Create and manage product waitlists from your AI agent.
- Get Started: Read this first. Explains how to set up a complete UseWait waitlist: recommended order of tool calls, the page code format, slugs, assets, and referrals.
- Get Page Format: Returns the exact contract for a waitlist page's reactCode so you can generate custom page code safely. Read this before writing or replacing reactCode.
- Get Page Example: Returns a complete working GeneratedWaitlist function that satisfies the page contract, Turnstile and honeypot included. Start from this and restyle it rather than writing page code
Automation · No sign-in · Free
Real-time earthquake events from the US Geological Survey
Automation · No sign-in · Free
USGS Earthquake Catalog MCP (FDSNWS event API).
Development · No sign-in · Free
USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)
Development · No sign-in · Free
Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.
Development · No sign-in · Free
Real-time water levels and flow rates from USGS stream gauges
Automation · No sign-in · Free
USGS Water MCP — wraps USGS National Water Information System (NWIS) REST services (free, no auth)
Development · No sign-in · Free
Next solar eclipse, eclipse times by location, Moon phases and seasons from the US Naval…
Development · No sign-in · Free
US patent search, assignee portfolios, and citation graph via PatentsView.
Development · No sign-in · Free
USPTO PTAB Trials MCP — wraps the USPTO Open Data Portal (ODP) PTAB Trials API
Development · No sign-in · Free
Utah state open data via Socrata SoQL — government, grants, health, demographics.
Development · No sign-in · Free
Current UTC timestamp for autonomous clients.
Development · No sign-in · Free
UTC ISO to unix seconds, value discarded
Development · No sign-in · Free
UTF-8 non-ASCII byte count, input discarded
Development · No sign-in · Free
Six wallet-funded x402 tools over remote MCP: live Solana priority fees, transaction simulation, confirmed-transaction diagnosis, token-risk evidence…
- Solana Transaction Analysis: Explain a confirmed Solana transaction and classify failures. Costs $0.004.
- Solana Transaction Simulate: Simulate a Solana transaction and classify failures. Costs $0.008.
- Solana Priority Fees: Get timestamped network-wide or account-localized priority-fee quantiles before choosing a compute-unit price. Suitable for recurring bot polling. Costs $0.002.
Docs & Notes · No sign-in · Free
Solana transaction diagnosis, simulation, token-risk evidence, and priority fees via x402 USDC.
Development · No sign-in · Free
AI agents compare and sign up for Texas utility plans: electricity, internet, gas, water, trash.
Development · No sign-in · Free
Small public utility for autonomous clients.
Development · No sign-in · Free
Small public utility for autonomous clients.
Development · No sign-in · Free
Small public utility for autonomous clients.
Development · No sign-in · Free
Small public utility for autonomous clients.
Development · No sign-in · Free
Small public utility for autonomous clients.
Development · No sign-in · Free
Small public utility for autonomous clients.
Development · No sign-in · Free