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Whalesync

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Build and manage Whalesync syncs: connect apps, map tables and fields, monitor and fix issues.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http whalesync 'https://api.whalesync.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "whalesync": {
            "type": "http",
            "url": "https://api.whalesync.com/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Whalesync MCP server
  2. Install
  3. What the agent can do
  4. Support

Whalesync MCP server

Whalesync keeps data in two-way sync between the tools your team already uses — Airtable, Webflow, HubSpot, Salesforce, Notion, Postgres, and more.

This repository is the public home of the Whalesync MCP server: a remote Model Context Protocol server that lets AI agents build and manage syncs for you — create a sync between two apps, map tables and fields, turn it on, and monitor it, including answering "why isn't this record syncing?".

  • Server URL: https://api.whalesync.com/mcp (Streamable HTTP)
  • Auth: OAuth 2.1 with PKCE — your client opens a browser to approve access; no API keys to paste. Read-only access is available at consent time.
  • Docs: https://docs.whalesync.com/api/mcp

The server is remote-only. There is nothing to install from this repository — it exists so directories and registries can link to a canonical public source. The server itself is developed elsewhere.

Install

Cursor — Add to Cursor, or add to ~/.cursor/mcp.json:

{ "mcpServers": { "whalesync": { "url": "https://api.whalesync.com/mcp" } } }

Claude Code

claude mcp add --transport http whalesync https://api.whalesync.com/mcp

VS Code

code --add-mcp '{"name":"whalesync","type":"http","url":"https://api.whalesync.com/mcp"}'

Codex

codex mcp add whalesync --url https://api.whalesync.com/mcp

Claude (web, desktop, mobile) — install from the Claude directory — click Connect.

ChatGPT — install from the ChatGPT app directory — click Connect, or add a custom connector with the URL https://api.whalesync.com/mcp.

Grok — grok.com/connectors → New Connector → Custom → paste https://api.whalesync.com/mcp.

On first use, your client opens a browser window to sign in to Whalesync and approve access. You'll need a Whalesync account.

What the agent can do

24 tools over the Whalesync public API:

  • Build: sync_create, sync_update, sync_list_connectors, sync_list_bases, sync_list_tables, sync_list_fields, sync_get_mappings, sync_update_mappings, sync_validate_mappings
  • Run: sync_activate, sync_pause, sync_delete
  • Monitor & fix: sync_get_status, sync_list_issues, sync_get_issue, sync_retry_issue, sync_list_operations, sync_get_operation, sync_search_records, sync_get_record_status, sync_list_pending_deletes
  • Navigate: sync_list, sync_get, sync_whats_next

Tools are prefixed sync_ because they cover Whalesync's sync feature; other features will arrive under their own prefixes.

Anything irreversible stays human-gated: connecting your apps (OAuth), starting a sync, and approving deletes all happen in the Whalesync app — the agent hands you a link at each step.

Support

Frequently asked questions

What is Whalesync?

Build and manage Whalesync syncs: connect apps, map tables and fields, monitor and fix issues.

How do I install Whalesync?

It runs as a remote server. In Claude Code: claude mcp add --transport http whalesync 'https://api.whalesync.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Whalesync need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Whalesync open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Whalesync?

It is published by whalesync. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.