OpenWater MCP by usefulapi MCP Server

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answering

OpenWater MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 11 tools. Last commit 2 Nov 2026.

List programs, applications, evaluations and sessions; create and update users in OpenWater.

Uptime history 21 hours of history

21 hours agonow

100.0%

Uptime 24h

77 of 77 checks

Tools

read from the server

240 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 2 November 2026. No other catalogue keeps this.

2 Nov a tool changed version

Nothing serious here today

Today is the operative word: we check OpenWater MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add openwater --transport http https://openwater.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://openwater.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.openwater]
url = "https://openwater.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "openwater": {
      "url": "https://openwater.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "openwater": {
      "type": "http",
      "url": "https://openwater.usefulapi.io/mcp"
    }
  }
}

Available tools 11

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

openwater

openwater_create_user

Create a user (for example an applicant). Adds a new record. Sends no e-mail unless suppress_emails is false. OpenWater API: POST /v2/Users.

openwater_get_application

Get one application by id: its program, applicant, category, collaborators and per-round submission status. OpenWater API: GET /v2/Applications/{id}.

openwater_get_program

Get one program by id, with its rounds and application categories. OpenWater API: GET /v2/Programs/{id}.

openwater_get_user

Get one user by id, with role flags and profile field values. OpenWater API: GET /v2/Users/{id}.

openwater_list_applications

List applications (submissions), optionally for one program. Filter by time to find recent or finalized ones. OpenWater API: GET /v2/Applications.

openwater_list_evaluations

List judge evaluations (scores and notes) for a program, round, application or judge. OpenWater API: GET /v2/Evaluations.

openwater_list_funds

List the funds (grant or award budgets) of this organization. OpenWater API: GET /v2/Funds.

openwater_list_programs

List the programs (awards, grants, scholarships or events) of this organization, with their rounds and categories. Good first call to find a programId. OpenWater API: GET /v2/Programs.

openwater_list_sessions

List the sessions (event slots or panels) of a program, optionally for one session chair. OpenWater API: GET /v2/Sessions.

openwater_list_users

List users (applicants, judges, session chairs and staff) with optional filters. Passwords are never returned. OpenWater API: GET /v2/Users.

openwater_update_user

Change the name, e-mail or your own third-party id of one user. Only the fields you pass are sent. Passwords cannot be set here. OpenWater API: PATCH /v2/Users/{id}.

Endpoints

URL	Transport	State	Latency	Checked
https://openwater.usefulapi.io/mcp	streamable-http	answering	83 ms	11 min ago

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OpenWater MCP by usefulapi — questions

Answers built from our own checks of this server.

What can OpenWater MCP by usefulapi do?

It exposes 11 tools, read directly from the server on our last check. Among them: openwater_create_user, openwater_get_application, openwater_get_program, openwater_get_user, openwater_list_applications, openwater_list_evaluations and 5 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is OpenWater MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 77 of 77 checks got a reply (100.0%), average response time 240 ms. The bar chart above shows every period we have measured.

How do I connect OpenWater MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does OpenWater MCP by usefulapi need an API key?

No. OpenWater MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 11 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is OpenWater MCP by usefulapi?

It answers our handshake in 240 ms on average, which is faster than 59% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is OpenWater MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at openwater.usefulapi.io, which runs on its operator's own terms.