How to integrate Replicate MCP with Grok Build

Connect Grok Build to Replicate MCP. Run stable diffusion to generate an image, list all your uploaded files on replicate, and more from your terminal, with authentication handled for you.

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How to integrate Replicate MCP with Grok Build

Grok Build is xAI's terminal coding agent. It runs on Grok 4.5, plans its work before it acts, and can run multiple sub-agents in parallel. It also reads Claude Code's MCP configuration, so any server you already have in a .mcp.json is picked up with no changes.

In this guide, I will show you how to connect your Replicate account to Grok Build through Composio, so it can run Stable Diffusion to generate an image, list all your uploaded files on Replicate, get README documentation for a model, and more without leaving the terminal. Composio holds the OAuth tokens for you, and Grok Build only calls the tools you approve.

Also integrate Replicate with

ChatGPT WorkAntigravityOpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenCodeCursorVS CodeOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

Why use Composio over a standalone MCP server?

  • Read and write access. Composio's Replicate integration lets Grok Build take real actions like creating drafts, sending updates, and labeling records, not just reading data.
  • 1,000+ SaaS toolkits out of the box. One endpoint gives you a full catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Wire up a single Composio server instead of maintaining a separate MCP entry for each app.
  • Smart, context-aware tool loading. Grok Build caps how many tools it holds in a single request. Composio loads only the tools a task needs, so you do not spend that budget on tools you are not using.
  • Cross-app automation. Chain actions across apps in one run. Pull a thread, summarize it in Notion, and post the highlights to Slack from a single prompt.

Prerequisites

  • Grok Build installed and signed in. Install with curl -fsSL https://x.ai/cli/install.sh | bash on macOS or Linux, or irm https://x.ai/cli/install.ps1 | iex on Windows PowerShell. On first launch Grok opens a browser to authenticate; for headless or CI use, set an XAI_API_KEY environment variable instead (create the key at console.x.ai).
  • Access to the Replicate account you want to connect.
  • The Composio MCP endpoint. Composio's server is remote and hosted, so there is nothing to run locally and no tunnel to set up.

Step-by-step: Connect Replicate to Grok Build

1. Install and verify Grok Build

Install the CLI, then restart your shell so the grok binary lands on your PATH:

bash
curl -fsSL https://x.ai/cli/install.sh | bash
which grok

On Windows, install with PowerShell instead: irm https://x.ai/cli/install.ps1 | iex. If which grok returns a path, you are set. Grok Build runs on Grok 4.5 by default; you can switch models inside the session with /model <name>.

2. Add the Composio server

Add Composio as a remote HTTP MCP server with the grok mcp add command:

bash
grok mcp add --transport http composio https://connect.composio.dev/mcp

You can also add and manage servers from inside a session. Run /mcps to open the extensions modal on the MCP tab, then add a new server and paste the Composio URL. Added this way, Grok auto-detects the name from the URL and lists the server as connect:

bash
https://connect.composio.dev/mcp
Grok Build /mcps extensions modal listing MCP servers Grok Build adding the Composio MCP server with its URL

Grok also reads Claude Code-style config, so an entry in ~/.grok/config.toml or a project .mcp.json works the same way.

3. Authenticate

Composio uses OAuth. In the /mcps modal, select the Composio server and press i to authenticate (Grok also triggers this browser flow automatically the first time it uses a Composio tool). Click Allow to authorize access. Grok stores the tokens under ~/.grok/mcp_credentials.json, and /mcps shows Composio as connected.

Grok Build prompting to authenticate the Composio MCP server Composio authorization screen with the Allow button for Grok Build

4. Start building

Ask Grok to work with your Replicate account through Composio. On the first Replicate action, Composio prompts you to connect the account through OAuth. Approve the scopes once, and Composio handles token refresh from there.

What you can do after connecting Replicate

  • Run Stable Diffusion to generate an image
  • List all your uploaded files on Replicate
  • Get README documentation for a model
  • Show example predictions for a specific model

Security + privacy notes (important)

  • Use least-privilege access. Grant only the Replicate scopes you actually need.
  • Review OAuth scopes before approving. Check that the requested scopes match what you expect Composio and Grok Build to do.
  • Keep write actions human-reviewed. Grok Build proposes a plan before it acts. Leave that approval step on for actions like sending messages or editing records.
  • Keep secrets out of version control. Your XAI_API_KEY and any tokens should never be committed. Use environment variables or a secrets manager.
TOOLS

Supported Tools

Every Replicate action and event your agent gets out of the box.

Get Account Information

Tool to get authenticated account information.

Cancel Prediction

Tool to cancel a prediction that is still running.

Get model collection

Tool to get a specific collection of models by its slug.

List model collections

Tool to list all collections of models.

Create Model

Tool to create a new Replicate model with specified owner, name, visibility, and hardware.

Create Prediction

Tool to create a prediction for a Replicate Deployment.

Create Deployment

Tool to create a new deployment with specified model, version, hardware, and scaling parameters.

Delete Deployment

Tool to delete a deployment from your account.

Get Deployment Details

Tool to get deployment details by owner and name.

List deployments

Tool to list all deployments associated with the account.

Create File

Tool to create or upload a file to Replicate.

Delete File

Tool to delete a file by its ID.

Get File Details

Tool to get details of a file by its ID.

List Files

Tool to retrieve a paginated list of uploaded files.

Get Prediction

Tool to get the status and output of a prediction by its ID.

List Available Hardware

Tool to list available hardware SKUs for models and deployments.

List model examples

Tool to list example predictions for a specific model.

Get Model Details

Tool to get details of a specific model by owner and name.

List Public Models

Tool to list public models with pagination and sorting.

Create Model Prediction

Tool to create a prediction using an official Replicate model.

Get Model README

Tool to get the README content for a model in Markdown format.

Get Model Version

Tool to get a specific version of a model.

List Model Versions

Tool to list all versions of a specific model.

Create Prediction

Tool to create a prediction to run a model by version ID.

List All Predictions

Tool to list all predictions for the authenticated user or organization with pagination.

Search Models and Collections

Tool to search for models, collections, and docs using text queries (beta).

Cancel Training

Tool to cancel an ongoing training operation in Replicate.

Create Training Job

Tool to create a training job for a specific model version.

List Training Jobs

Tool to list all training jobs for the authenticated user or organization with pagination.

Update Model Metadata

Tool to update metadata for a model including description, URLs, and README.

Get Webhook Signing Secret

Tool to get the signing secret for the default webhook.

FRAMEWORKS

How to build Replicate MCP Agent with another framework

ChatGPT Work logo

ChatGPT Work

Use Replicate MCP with ChatGPT Work

Antigravity logo

Antigravity

Use Replicate MCP with Antigravity

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Replicate MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Replicate MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Replicate MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Replicate MCP with Claude Cowork

Codex logo

Codex

Use Replicate MCP with Codex

Cursor logo

Cursor

Use Replicate MCP with Cursor

VS Code logo

VS Code

Use Replicate MCP with VS Code

OpenCode logo

OpenCode

Use Replicate MCP with OpenCode

OpenClaw logo

OpenClaw

Use Replicate MCP with OpenClaw

Hermes logo

Hermes

Use Replicate MCP with Hermes

CLI logo

CLI

Use Replicate MCP with CLI

Google ADK logo

Google ADK

Use Replicate MCP with Google ADK

LangChain logo

LangChain

Use Replicate MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Replicate MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Replicate MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Replicate MCP with LlamaIndex

CrewAI logo

CrewAI

Use Replicate MCP with CrewAI

FAQ

Frequently asked questions

A standalone Replicate MCP server gives Grok Build a fixed set of Replicate tools tied to that one server. The Composio Tool Router lets Grok Build load tools from Replicate and many other apps on demand, based on the task, all through a single endpoint.

Yes. Grok Build ships with native MCP support. Add a server with the grok mcp add command, from the in-session /mcps modal, or by editing ~/.grok/config.toml. It also reads Claude Code-style .mcp.json files, so Grok Build discovers the tools automatically.

Yes. Grok Build has zero-migration compatibility with Claude Code's configuration, so the same Composio server entry works in both without edits.

Tokens, keys, and configuration are encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant, so your Replicate data and credentials are handled to that standard.

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Customer stories

Teams ship real agents on Composio

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agent.aiZoomLettaGleanHubSpotAWSWabi

Karan skipped his own birthday party to fix our critical issue. It was 10pm and he diverted his Waymo to help us instead. This really sets the bar — it shows the commitment you need when users rely on your software.

Harsha Gaddipati
Harsha Gaddipati
Co-founder, Slashy

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

Abhi Arya
Abhi Arya
Co-founder, Opennote

We chose Composio over Pipedream because it delivered depth where it mattered — niche tools and tricky edge cases other platforms simply ignored. That gave us confidence to scale without compromising.

Nirman Dave
Nirman Dave
CEO, Zams

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

Ryan Yu
Ryan Yu
Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

Tomisin Jenrola
Tomisin Jenrola
Founder & CEO, SwarmZero

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

Jerome Leclanche
Jerome Leclanche
Co-Founder, Ingram Technologies