Braze MCP Server
for AI Agents

Q: What AI frameworks and AI clients does the StackOne Braze MCP server support?

The StackOne Braze MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.

Production-ready Braze MCP server with 98 extensible actions — plus built-in authentication, security, and optimized execution.

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Braze MCP Server

Built by

StackOne

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98 Agent Actions

Create, read, update, and delete across Braze — and extend your agent's capabilities with custom actions.

MCP Actions → Create Actions →

Authentication

Agent Tool Authentication

Per-user OAuth in one call. Your Braze MCP server gets session-scoped tokens with zero credentials stored on your infra.

Agent Auth →

Security

Agent Protection

Every Braze tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.

Prompt Injection Defense →

Performance

Max Agent Context. Min Cost.

Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every Braze call.

Tools Discovery →

What is the Braze MCP Server?

A Braze MCP server lets AI agents read and write Braze data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's Braze MCP server ships with 98 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.

All Braze MCP Tools and Actions

Every action from Braze's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.

User Alias

Create User Alias
Create new user aliases for existing users
Update User Alias
Update existing user aliases

Catalogs

Create Catalog
Create a new product catalog
List Catalogs
Return list of catalogs in a workspace
Delete Catalog
Delete a catalog

Catalog Items

Create Catalog Item
Create an item in a catalog
Get Catalog Item
Return a catalog item and its content
List Catalog Items
Return multiple catalog items and their content
Update Catalog Item
Update an item in your catalog or create if not found
Delete Catalog Item
Delete an item in your catalog

Catalog Items Bulks

Create Catalog Items Bulk
Create multiple items in your catalog (max 50 items)
Update Catalog Items Bulk
Update multiple items or create if not found (max 50 items)
Delete Catalog Items Bulk
Delete multiple items in your catalog (max 50 items)

Catalog Fields

Create Catalog Fields
Create new fields for a catalog
Delete Catalog Field
Delete a field from a catalog

Email Templates

Create Email Template
Create email templates on the Braze dashboard
List Email Templates
Get list of available email templates
Get Email Template
Get information about a specific email template
Update Email Template
Update email templates on the Braze dashboard

Content Blocks

Create Content Block
Create a new content block on the Braze dashboard
List Content Blocks
List available Content Blocks
Get Content Block
Get information about a specific content block
Update Content Block
Update an existing content block on the Braze dashboard

KPIs

Get KPI
Daily Active Users - Retrieve series of total daily active users over time
Get KPI
Monthly Active Users - Retrieve series of total monthly active users over time
Get KPI
New Users - Retrieve series of new users per day
Get KPI
Uninstalls - Retrieve series of total uninstalls over time

User Subscription Group Status

Get User Subscription Group Status
Get the subscription state of a user in a subscription group
Update User Subscription Group Status
Update the subscription state of a user in a subscription group

Hard Bounced Emails

Query Hard Bounced Emails
Pull a list of email addresses that have hard bounced
Remove Hard Bounced Emails
Remove email addresses from the hard bounce list

Scheduled Messages

List Scheduled Messages
View upcoming scheduled campaigns and Canvases
Update Scheduled Messages
Update scheduled messages that were created in the dashboard
Delete Scheduled Messages
Cancel scheduled messages that were created via API

Scheduled Triggered Campaigns

Update Scheduled Triggered Campaign
Update a scheduled API-triggered campaign
Delete Scheduled Triggered Campaign
Delete a scheduled API-triggered campaign

Scheduled Triggered Canvas

Update Scheduled Triggered Canvas
Update a scheduled API-triggered Canvas
Delete Scheduled Triggered Canvas
Delete a scheduled API-triggered Canvas

Invalid Phone Numbers

Query Invalid Phone Numbers
Pull a list of invalid phone numbers
Remove Invalid Phone Numbers
Remove invalid phone numbers from blocklist

Preference Centers

Create Preference Center
Create a new preference center
List Preference Centers
List available preference centers
Get Preference Center
Get details of a specific preference center
Update Preference Center
Update an existing preference center

Other (54)

Send Messages
Send immediate, one-off messages to designated users via API
Send Transactional Message
Send transactional messages via a triggered campaign
Send Triggered Campaign
Send API-triggered campaign messages
Send Triggered Canvas
Send API-triggered Canvas messages
Create Send ID
Create a send ID for message send tracking
Create Preference Center URL
Create URL for a preference center for a specific user
List Campaigns
Export list of campaigns with names and API identifiers
Get Campaign Details
Retrieve relevant information about a specific campaign
List Canvas
Export list of Canvas workflows with names and API identifiers
Get Canvas Details
Get details for a specific Canvas workflow
Get Canvas Analytics
Get analytics data series for a specific Canvas workflow
Get Canvas Summary
Get analytics summary for a specific Canvas workflow
Export Users By Identifier
Export user profile data by user identifier
List Segments
Export list of segments with names and API identifiers
Get Segment Details
Retrieve relevant information about a specific segment
List Custom Events
Export list of custom events
List Products
Export list of products purchased in your app
Get Campaign Analytics
Retrieve campaign analytics data over time
Get Segment Analytics
Retrieve daily series of estimated segment size over time
Get Custom Events Analytics
Retrieve series of occurrences of a custom event over time
Get Purchases Analytics
Retrieve total number of purchases over time
Get Revenue Analytics
Retrieve total revenue over time
Get Sessions Analytics
Retrieve series of number of sessions over time
Export Users By Segment
Export user data for a specific segment
Export Users Global Control Group
Export user data for the global control group
List Custom Attributes
Export list of custom attributes
Get Send Analytics
Retrieve analytics for a specific campaign send
List User Subscription Groups
List and get subscription groups of a user
Query Unsubscribed Emails
Return emails that have unsubscribed during the time period
List CDI Integrations
Return list of existing integrations
Get CDI Job Sync Status
Return the sync status for a CDI integration
Update User Subscription Group Status V2
Update the subscription state of a user in a subscription group (V2)
Update Live Activity
Update an iOS Live Activity via push notification
Update Campaign Translations
Update translations for a specific campaign
Update Canvas Translations
Update translations for a specific Canvas
Update Email Template Translations
Update translations for a specific email template
Update Content Block Translations
Update translations for a specific content block
Delete Users
Delete user profiles (permanent, cannot be undone)
Remove Deprecated External IDs
Remove deprecated external IDs from user profiles
Track Users
Record custom events, purchases, and update user profile attributes
Identify Users
Identify unidentified (alias-only) users with external ID
Merge Users
Merge one user profile into another user profile
Rename External IDs
Rename users' external IDs
Edit Catalog Item
Edit an item in your catalog
Edit Catalog Items Bulk
Edit multiple items in your catalog (max 50 items)
Change Email Subscription Status
Set the email subscription state for your users
Schedule Messages
Schedule messages to be sent at a designated time
Schedule Triggered Campaign
Schedule an API-triggered campaign for future delivery
Schedule Triggered Canvas
Schedule an API-triggered Canvas for future delivery
Trigger CDI Sync
Trigger a sync for a CDI integration
View Campaign Translations
View bulk translations for a specific campaign
View Canvas Translations
View bulk translations for a specific Canvas
View Email Template Translations
View bulk translations for a specific email template
View Content Block Translations
View bulk translations for a specific content block

Set Up Your Braze MCP Server in Minutes

One endpoint. Any framework. Your agent is talking to Braze in under 10 lines of code.

MCP Clients

Agent Frameworks

Claude Desktop-

JSON

Docs

{
  "mcpServers": {
    "stackone": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote@latest",
        "https://api.stackone.com/mcp?x-account-id=<account_id>",
        "--header",
        "Authorization: Basic <YOUR_BASE64_TOKEN>"
      ]
    }
  }
}

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Braze MCP Server Resources

MCP Code Mode: Keeping Tool Responses Out of Agent Context

Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.

11 min

Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery

Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.

10 min

Indirect Prompt Injection Defense for MCP Tools: A Technical Guide

MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.

12 min

Braze MCP Server FAQ

Braze MCP server vs direct API integration — what's the difference?

A Braze MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling Braze. A Braze MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling Braze at runtime. StackOne provides both.

How does Braze authentication work for AI agents?

Braze authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own Braze account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via origin_owner_id.

Are Braze MCP tools vulnerable to prompt injection?

Yes — Braze MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.

What is the context bloat of a Braze agent and how do I avoid it?

Context bloat happens when Braze tool schemas and API responses eat your Braze agent's memory, preventing it from reasoning effectively. A single Braze query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.

Can I limit which actions my Braze agent can access?

Yes — you can limit which actions your Braze agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.

Can I create custom agent actions for my Braze MCP server?

Yes — you can create custom agent actions for your Braze MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research Braze's API, generate production-ready connector YAML, test against the live API, and validate before you ship.

When should I NOT use a Braze MCP server?

Skip a Braze MCP server if your integration is purely software-to-software — direct Braze API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call Braze actions at runtime.

What AI frameworks and AI clients does the StackOne Braze MCP server support?

The StackOne Braze MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.

Put your AI agents to work

All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.

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Braze MCP Serverfor AI Agents