How to integrate Salesforce service cloud MCP with Codex

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Introduction

Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With Salesforce service cloud MCP integration, you can draft, triage, summarise emails, and much more, all without leaving the terminal or the app, whichever you prefer.

Also integrate Salesforce service cloud with

Why use Composio?

Apart from a managed and hosted MCP server, you will get:

  • CodeAct: A dedicated workbench that allows GPT to write its code to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Large tool responses: Handle them to minimise context rot.
  • Dynamic just-in-time access to 20,000 tools across 1000+ other Apps for cross-app workflows. It loads the tools you need, so GPTs aren't overwhelmed by tools you don't need.

How to install Salesforce service cloud MCP in Codex

Run the setup command

Run this command in your terminal to add the Composio MCP server to Codex.

Terminal

It will initiate the authentication in a browser window, authorize Codex to access your Composio account.

Composio authentication page

(Optional) Authenticate with OAuth

To authenticate manually, run the login command to open a browser window and authorize Codex to access your Composio account.

bash
codex mcp login composio

Verify the connection

Run codex mcp list to confirm Composio appears as a registered MCP server.

bash
codex mcp list

Codex App

Codex App follows the same approach as VS Code.

  1. Click ⚙️ on the bottom left → MCP Servers → + Add servers → Streamable HTTP:
  2. Fill the header and Key fields with { "x-consumer-api-key" = "ck_*******" }.
  3. The Key is the Composio API key, that you can find on dashboard.composio.dev
  4. Click on Authenticate and authorize Codex to your Composio account and you're all set.
Codex App MCP setup
  1. Restart and verify if it's there in .codex/config.toml
bash
[mcp_servers.composio]
url = "https://connect.composio.dev/mcp"
http_headers = { "x-consumer-api-key" = "ck_*******" }

What is the Salesforce service cloud MCP server, and what's possible with it?

The Salesforce service cloud MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Salesforce Service Cloud account. It provides structured and secure access to your customer service data, so your agent can perform actions like managing cases, retrieving knowledge articles, automating service processes, and tracking customer interactions on your behalf.

  • Case management and triage: Empower your agent to create, update, assign, or close customer service cases, ensuring timely resolution of inquiries and incidents.
  • Knowledge base retrieval: Let your agent search, read, and recommend relevant knowledge articles to assist with customer support and internal troubleshooting.
  • Customer interaction tracking: Have your agent log new interactions, fetch historical communication, and surface recent touchpoints for a full view of customer engagement.
  • Omnichannel support automation: Enable your agent to route cases, escalate issues, and manage service requests across chat, email, phone, and social channels all from one place.
  • Service workflow automation: Direct your agent to trigger macros, update case statuses, or launch automated actions to streamline repetitive tasks and boost support team productivity.

Supported Tools & Triggers

Tools
Chasitor Sneak PeekSend real-time typing indicator (sneak peek) to Live Agent during active chat session.
Composite BatchTool to execute multiple independent REST subrequests in one batch call.
Composite RequestExecute up to 25 dependent Salesforce REST subrequests in a single API call.
Composite SObject TreeCreate one or more nested sObject record trees in a single API call.
Create Case RecordTool to create or upsert a Salesforce Case record.
Delete Case RecordTool to delete a Salesforce Case record.
Describe SObjectTool to retrieve metadata of any sObject.
Generate Request IDGenerate a UUIDv4 string to use as an Idempotency-Key header in Salesforce User Interface API requests.
Generate Signed JWT AssertionTool to generate a signed JWT assertion for Salesforce JWT bearer OAuth flow.
Get Case RecordRetrieve a Salesforce Case record by its ID.
Get Chat MessagesTool to long-poll for chat messages/events.
Get Live Agent API VersionTool to retrieve current Live Agent API version.
List Einstein BotsLists all Einstein Bot definitions in the Salesforce organization.
Query All SOQLTool to execute a SOQL query including deleted and archived records.
Query SOQLTool to execute a SOQL query.
Reconnect Chat SessionTool to reconnect a Live Agent chat session after the affinity token changes.
Resync Chasitor StateResynchronizes the chat visitor's state after a session reconnection.
Retrieve Connected App Private KeyTool to retrieve RSA private key PEM for a Salesforce Connected App.
Retrieve Salesforce UsernameTool to retrieve the Salesforce username.
Send Custom EventSend a custom event from a chat visitor to a Live Agent during an active chat session.
Set BreadcrumbTool to set a breadcrumb URL for the visitor's current page.
Upload File to S3Tool to upload a file to managed S3 storage.
Visitor Sensitive Data Rule TriggeredTool to trigger sensitive data rules for the chat visitor.

Conclusion

You've successfully integrated Salesforce service cloud with Codex using Composio's MCP server. Now you can interact with Salesforce service cloud directly from your terminal, VS Code, or the Codex App using natural language commands.

Key benefits of this setup:

  • Seamless integration across CLI, VS Code, and standalone app
  • Natural language commands for Salesforce service cloud operations
  • Managed authentication through Composio
  • Access to 20,000+ tools across 1000+ apps for cross-app workflows
  • CodeAct workbench for complex tool chaining

Next steps:

  • Try asking Codex to perform various Salesforce service cloud operations
  • Explore cross-app workflows by connecting more toolkits
  • Build automation scripts that leverage Codex's AI capabilities

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FAQ

What are the differences in Tool Router MCP and Salesforce service cloud MCP?

With a standalone Salesforce service cloud MCP server, the agents and LLMs can only access a fixed set of Salesforce service cloud tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Salesforce service cloud and many other apps based on the task at hand, all through a single MCP endpoint.

Can I use Tool Router MCP with Codex?

Yes, you can. Codex fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Salesforce service cloud tools.

Can I manage the permissions and scopes for Salesforce service cloud while using Tool Router?

Yes, absolutely. You can configure which Salesforce service cloud scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

How safe is my data with Composio Tool Router?

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Salesforce service cloud data and credentials are handled as safely as possible.

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