Otter Waiver MCP by usefulapi
RemoteAbout Otter Waiver MCP by usefulapi
Otter Waiver MCP by usefulapi is a hosted, read-only connection to Otter Waiver for users of Claude, Cursor, or other MCP clients. It provides access to digital waivers, signers, and recent check-ins, with OAuth sign-in and per-user credential storage.
Key features
- 01List and retrieve waivers
- 02List recent participants
- 03List recent check-ins
- 04Retrieve participant details
Use cases
- 01Review digital waivers
- 02Find people who signed waivers
- 03Check recent participant check-ins
MCP support
Exposes read-only Otter Waiver tools for waivers, participants, and check-ins to MCP clients through a hosted endpoint. Clients connect by URL and authenticate with OAuth.
Configuration
Remote servers need no local install. Pick your client, then copy the config or install in one click.
https://otter-waiver.usefulapi.io/mcpclaude mcp add --transport http io-usefulapi-otter-waiver https://otter-waiver.usefulapi.io/mcp{"mcpServers":{"io-usefulapi-otter-waiver":{"type":"http","url":"https://otter-waiver.usefulapi.io/mcp"}}}Open in Cursor{"servers":{"io-usefulapi-otter-waiver":{"type":"http","url":"https://otter-waiver.usefulapi.io/mcp"}}}Open in VS Code{"mcpServers":{"io-usefulapi-otter-waiver":{"type":"http","url":"https://otter-waiver.usefulapi.io/mcp"}}}{"mcpServers":{"io-usefulapi-otter-waiver":{"serverUrl":"https://otter-waiver.usefulapi.io/mcp"}}}Run commands in a terminal; paste JSON into the client’s MCP config and restart. Servers that need sign-in will prompt on first connect.
Tools
Details
From the project READMEOtter Waiver MCP by usefulapi
Use your Otter Waiver account from Claude, Cursor, or any MCP client. Read your digital waivers, the people who signed them and the latest check-ins. All tools are read-only. Hosted, no local install: connect with your own credentials.
Live endpoint: https://otter-waiver.usefulapi.io/mcp · Homepage: https://usefulapi.io
Connect
- Claude (claude.ai, Desktop): open Customize → Connectors, click + Add → Add custom connector, and paste
https://otter-waiver.usefulapi.io/mcp. - Claude Code:
claude mcp add --transport http otter-waiver https://otter-waiver.usefulapi.io/mcp, then run/mcpto log in. - VS Code: Add to VS Code.
- Cursor and other clients: add the URL as a remote MCP server:
{
"mcpServers": {
"otter-waiver": {
"url": "https://otter-waiver.usefulapi.io/mcp"
}
}
}
Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and the login page asks for your Otter Waiver credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/otter-waiver/
On first connect you provide the Client ID and Client Secret (app.ottersign.com → Settings → Account and Preferences → API keys, use Show). The server validates it and stores it per user. No keys go in config files.
Tools
| Tool | Type | What it does |
|---|---|---|
otterwaiver_list_waivers | read | List waivers |
otterwaiver_get_waiver | read | Get waiver |
otterwaiver_list_latest_participants | read | List latest participants |
otterwaiver_list_latest_checkins | read | List latest check-ins |
otterwaiver_get_participant | read | Get participant |
otterwaiver_usage_status | meta | Usage status (free-tier meter) |
otterwaiver_request_feature | meta | Request a missing feature |
otterwaiver_upgrade | meta | Upgrade to Pro or Pro+ |
otterwaiver_cancel_subscription | meta | Cancel the Pro subscription |
read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.
Pricing
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Pro (per user) | $9/mo or $90/yr (2 months free) | Unlimited* |
*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to [email protected].
Pro covers this server only. Subscribe with otterwaiver_upgrade (it returns a Stripe Checkout link). Cancel any time with otterwaiver_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running otterwaiver_upgrade before then undoes the cancel. Or write to [email protected].
License
MIT — see LICENSE. Documentation only; the server is hosted.
Comments
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