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Ably MCP Server for CursorGive Cursor instant access to 14 tools to Batch Presence, Batch Publish, Batch Push Publish, and more

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Cursor is an AI-first code editor built on VS Code that integrates LLM-powered coding assistance directly into the development workflow. Its Agent mode enables autonomous multi-step coding tasks, and MCP support lets agents access external data sources and APIs during code generation.

Ask AI about this MCP Server for Cursor

The Ably MCP Server for Cursor is a standout in the Communication Messaging category — giving your AI agent 14 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

ClaudeClaude
ChatGPTChatGPT
CursorCursor
GeminiGemini
WindsurfWindsurf
VS CodeVS Code
JetBrainsJetBrains
VercelVercel
+ other MCP clients
Classic Setup·json
{
  "mcpServers": {
    "ably": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}
RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Ably and 4,000+ MCP Servers from a single visual interface.

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Download Free Open SourceNo signup required
Ably
Fully ManagedVinkius Servers
60%Token savings
High SecurityEnterprise-grade
IAMAccess control
EU AI ActCompliant
DLPData protection
V8 IsolateSandboxed
Ed25519Audit chain
<40msKill switch
Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Ably MCP Server

Connect your Ably account to any AI agent to orchestrate real-time communication infrastructure through natural language. This server provides full access to the Ably REST API for robust pub/sub messaging and presence management.

Cursor's Agent mode turns Ably into an in-editor superpower. Ask Cursor to generate code using live data from Ably and it fetches, processes, and writes. all in a single agentic loop. 14 tools appear alongside file editing and terminal access, creating a unified development environment grounded in real-time information.

What you can do

  • Messaging — Publish messages to single or multiple channels, retrieve message history, and update or delete existing messages.
  • Presence Tracking — Monitor real-time member status and history within specific channels to see who is online.
  • Push Notifications — Send direct push notifications to devices or client IDs for mobile and web engagement.
  • Channel Management — List active channels, fetch metadata, and monitor usage statistics across your application.
  • Security & Tokens — Revoke tokens before expiry to maintain tight control over your real-time infrastructure access.

The Ably MCP Server exposes 14 tools through the Vinkius. Connect it to Cursor in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 14 Ably tools available for Cursor

When Cursor connects to Ably through Vinkius, your AI agent gets direct access to every tool listed below — spanning pub-sub, real-time-messaging, push-notifications, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

batch

Batch presence on Ably

Get presence for multiple channels

batch

Batch publish on Ably

Publish messages to multiple channels at once

batch

Batch push publish on Ably

Publish batch push notifications

get

Get channel metadata on Ably

Get metadata for a specific channel

get

Get message on Ably

Get a specific message by serial

get

Get messages on Ably

Retrieve message history for a channel

get

Get presence on Ably

Get current presence members for a channel

get

Get presence history on Ably

Get presence history for a channel

get

Get stats on Ably

Retrieve application usage statistics

list

List channels on Ably

Enumerate all active channels

publish

Publish message on Ably

Publish a message to a specific channel

push

Push publish on Ably

Publish a direct push notification

revoke

Revoke tokens on Ably

Requires revocableTokens: true on the API key. Revoke Ably tokens before their expiry

update

Update message on Ably

Update, delete, or append to a message

Connect Ably to Cursor via MCP

Follow these steps to wire Ably into Cursor. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

01

Open MCP Settings

Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
02

Add the server config

Paste the JSON configuration above into the mcp.json file that opens
03

Save the file

Cursor will automatically detect the new MCP server
04

Start using Ably

Open Agent mode in chat and ask: "Using Ably, help me...". 14 tools available

Why Use Cursor with the Ably MCP Server

Cursor AI Code Editor provides unique advantages when paired with Ably through the Model Context Protocol.

01

Agent mode turns Cursor into an autonomous coding assistant that can read files, run commands, and call MCP tools without switching context

02

Cursor's Composer feature can generate entire files using real-time data fetched through MCP. no copy-pasting from external dashboards

03

MCP tools appear alongside built-in tools like file reading and terminal access, creating a unified agentic environment

04

VS Code extension compatibility means your existing workflow, keybindings, and extensions all work alongside MCP tools

Ably + Cursor Use Cases

Practical scenarios where Cursor combined with the Ably MCP Server delivers measurable value.

01

Code generation with live data: ask Cursor to generate a security report module using live DNS and subdomain data fetched through MCP

02

Automated documentation: have Cursor query your API's tool schemas and generate TypeScript interfaces or OpenAPI specs automatically

03

Infrastructure-as-code: Cursor can fetch domain configurations and generate corresponding Terraform or CloudFormation templates

04

Test scaffolding: ask Cursor to pull real API responses via MCP and generate unit test fixtures from actual data

Example Prompts for Ably in Cursor

Ready-to-use prompts you can give your Cursor agent to start working with Ably immediately.

01

"Publish a message to the 'orders' channel with the event name 'new_order' and data '{"id": 123}'"

02

"Check who is currently online in the 'chat-room-1' channel."

03

"Show me the usage statistics for my Ably application."

Troubleshooting Ably MCP Server with Cursor

Common issues when connecting Ably to Cursor through Vinkius, and how to resolve them.

01

Tools not appearing in Cursor

Ensure you are in Agent mode (not Ask mode). MCP tools only work in Agent mode.
02

Server shows as disconnected

Check Settings → Features → MCP and verify the server status. Try clicking the refresh button.

Ably + Cursor FAQ

Common questions about integrating Ably MCP Server with Cursor.

01

What is Agent mode and why does it matter for MCP?

Agent mode is Cursor's autonomous execution mode where the AI can perform multi-step tasks: reading files, editing code, running terminal commands, and calling MCP tools. Without Agent mode, Cursor operates in a simpler ask-and-answer mode that doesn't support tool calling. Always ensure you're in Agent mode when working with MCP servers.
02

Where does Cursor store MCP configuration?

Cursor looks for MCP server configurations in a mcp.json file. You can configure servers at the project level (.cursor/mcp.json in your project root) or globally (~/.cursor/mcp.json). Project-level configs take precedence.
03

Can Cursor use MCP tools in inline edits?

No. MCP tools are only available in Agent mode through the chat panel. Inline completions and Tab suggestions do not trigger MCP tool calls. This is by design. tool calls require user visibility and approval.
04

How do I verify MCP tools are loaded?

Open Settings → Features → MCP and look for your server name. A green indicator means the server is connected. You can also check Agent mode's available tools by clicking the tools dropdown in the chat panel.

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