Brex MCP Server for Claude Code 10 tools — connect in under 2 minutes
Claude Code is Anthropic's agentic CLI for terminal-first development. Add Brex as an MCP server in one command and Claude Code will discover every tool at runtime — ideal for automation pipelines, CI/CD integration, and headless workflows via the Vinkius.
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Vinkius supports streamable HTTP and SSE.
Vinkius Desktop App
The modern way to manage MCP Servers — no config files, no terminal commands. Install Brex and 2,500+ MCP Servers from a single visual interface.
# Your Vinkius token — get it at cloud.vinkius.com
claude mcp add brex --transport http "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
* 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 Brex MCP Server
The Brex MCP Server bridges standard large language models directly via the platform.brexapis.com to your startup's core spend engine. By delivering a single static User Token, you enable the most flexible financial assistant available.
Claude Code registers Brex as an MCP server in a single terminal command. Once connected, Claude Code discovers all 10 tools at runtime and can call them headlessly — ideal for CI/CD pipelines, cron jobs, and automated workflows where Brex data drives decisions without human intervention.
What you can do
- Agile Employee Onboarding —
brex_create_userdirectly provisions employees with their associated hierarchical structure. Follow it up withbrex_create_cardto hand them digital spend capacity securely limited. - Accounting Snapshots — You don't need to load the Brex dash to trace down runaway expenses. Trigger
brex_list_transactionsto pull highly contextualized raw CSV data into your AI workspace. - Accounts Payable Controls — Draft and approve external entity vendors via
brex_create_vendorand initiate routing paymentsbrex_pay_vendorseamlessly, letting internal routing protocols map out the wires.
The Brex MCP Server exposes 10 tools through the Vinkius. Connect it to Claude Code in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect Brex to Claude Code via MCP
Follow these steps to integrate the Brex MCP Server with Claude Code.
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
Add the MCP Server
Run the command above in your terminal
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
Start using Brex
Ask Claude: "Using Brex, show me..." — 10 tools are ready
Why Use Claude Code with the Brex MCP Server
Claude Code provides unique advantages when paired with Brex through the Model Context Protocol.
Single-command setup: `claude mcp add` registers the server instantly — no config files to edit or applications to restart
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
Claude Code runs headlessly, enabling unattended batch processing using Brex tools in cron jobs or deployment scripts
Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
Brex + Claude Code Use Cases
Practical scenarios where Claude Code combined with the Brex MCP Server delivers measurable value.
CI/CD integration: embed Brex tool calls in your deployment pipeline to validate configurations or fetch secrets before shipping
Headless batch processing: schedule Claude Code to query Brex nightly and generate reports without human intervention
Shell scripting: pipe Brex outputs into other CLI tools for data transformation, filtering, and aggregation
Infrastructure monitoring: run Claude Code in a cron job to query Brex status endpoints and alert on anomalies
Brex MCP Tools for Claude Code (10)
These 10 tools become available when you connect Brex to Claude Code via MCP:
brex_create_card
Useful for giving employees isolated cards for SaaS subscriptions. Issue a dynamic Virtual Corporate Card
brex_create_user
You must provide a valid email, first name, and last name. Invite a new employee / user to Brex
brex_create_vendor
Create a Vendor in AP (Accounts Payable)
brex_get_balance
Get main cash balance of the Brex Cash accounts
brex_list_budgets
List budget programs assigned to teams
brex_list_cards
List all issued cards across the company
brex_list_transactions
Sweep historical Brex card and account transactions
brex_list_users
List all users in the Brex company account
brex_list_vendors
List saved Vendors inside Brex AP
brex_pay_vendor
Orchestrate a vendor payment (Send Money)
Example Prompts for Brex in Claude Code
Ready-to-use prompts you can give your Claude Code agent to start working with Brex immediately.
"Invite the new engineer 'John Carter' via email john@company.com into Brex. After you get his ID, spin him up a Virtual Card with a $1K limit immediately."
"Check the core cash settlement. How much Treasury base balance do we stand at? Extract only active Checking values."
"Pull all corporate expenses tracked over the past 30 days focusing entirely on our AWS hosting and digital footprints."
Troubleshooting Brex MCP Server with Claude Code
Common issues when connecting Brex to Claude Code through the Vinkius, and how to resolve them.
Command not found: claude
npm install -g @anthropic-ai/claude-codeConnection timeout
Brex + Claude Code FAQ
Common questions about integrating Brex MCP Server with Claude Code.
How do I add an MCP server to Claude Code?
claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.Can Claude Code run MCP tools in headless mode?
How do I list all connected MCP servers?
claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.Connect Brex with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
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GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Brex to Claude Code
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.