Finmei MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Finmei MCP or direct API to create invoices, track payments, manage expenses, and automate billing conversations through natural language.

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Api Key

Finmei is an invoicing tool that simplifies billing, invoice management, and expense tracking. Ideal for automating and organizing your business finances in one place.

24 Tools

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Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
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TOOLS

Supported Tools

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

Create Expense

Tool to create a new expense with file upload (receipt or invoice).

Create Invoice

Creates a new invoice in Finmei with buyer information and line items.

Delete Customer

Tool to delete a specific customer by their ID.

Delete Invoice

Tool to delete an invoice.

Delete Payment

Delete a payment record by its unique identifier.

Delete Product

Deletes a product from the Finmei catalog by its unique identifier.

Download Expense File

Tool to download the file associated with an expense.

Download Invoice PDF

Tool to download an invoice as a PDF file.

Get Expense by ID

Tool to retrieve a single expense by its ID.

Get Invoice by ID

Tool to retrieve a single invoice by its ID.

Get Payment

Tool to retrieve details of a specific payment by its ID.

Get Product by ID

Tool to retrieve a product by its ID.

Get Profile

Tool to retrieve main information about the business to which the API token is assigned.

List Currencies

Tool to list all currencies supported by Finmei.

List Customers

Tool to list all customers with optional filters and pagination.

List Expenses

Tool to list all expenses for the business.

List Invoices

Tool to list invoices.

List Payments

Tool to retrieve a list of payments.

List Products

Tool to retrieve a list of products with optional filters and pagination.

Update Customer

Tool to update an existing customer's details.

Update Expense

Tool to update an existing expense's fields including date, total, currency, and seller.

Update Expense File

Updates the file attachment of an existing expense in Finmei.

Update Invoice

Tool to update an existing invoice in Finmei.

Update Product

Updates an existing product in the Finmei product catalog.

SETUP GUIDE

Connect Finmei MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/mcp @ai-sdk/openai
Install the Composio SDK and your agent framework
2

Create a session with MCP enabled

typescript
import { Composio } from "@composio/core";

const composio = new Composio();
const { mcp } = await composio.create("your-user-id", {
  toolkits: ["finmei"],
  mcp: true,
});
Create a session scoped to Finmei and read its MCP URL and headers
3

Connect your agent to the MCP server

typescript
import { createMCPClient } from "@ai-sdk/mcp";
import { openai } from "@ai-sdk/openai";
import { generateText, stepCountIs } from "ai";

const client = await createMCPClient({
  transport: { type: "http", url: mcp.url, headers: mcp.headers },
});

const { text } = await generateText({
  model: openai("gpt-5.6-sol"),
  tools: await client.tools(),
  prompt: "Create an invoice for customer John Doe with two line items and due date next Friday.",
  stopWhen: stepCountIs(10),
});

console.log(text);
await client.close();
Pass the session's MCP URL and headers to your agent and run a Finmei request
SETUP GUIDE

Connect Finmei API Tool with your Agent

1

Install Composio

typescript
npm install @composio/core @composio/openai openai
Install the Composio SDK, the OpenAI provider, and the OpenAI SDK
2

Create a Composio session

typescript
import OpenAI from "openai";
import { Composio } from "@composio/core";
import { OpenAIResponsesProvider } from "@composio/openai";

const composio = new Composio({ provider: new OpenAIResponsesProvider() });
const client = new OpenAI();

const session = await composio.create("your-user-id", { toolkits: ["finmei"] });
const tools = await session.tools();
Initialize Composio with the OpenAI Responses provider and create a session scoped to Finmei
3

Run Finmei tools with your agent

typescript
let response = await client.responses.create({
  model: "gpt-5.6-sol",
  tools,
  input: [{ role: "user", content: "Create an invoice for customer John Doe with two line items and due date next Friday." }],
});

while (response.output.some((o) => o.type === "function_call")) {
  const outputs = await composio.provider.handleToolCalls(session, response.output);
  response = await client.responses.create({
    model: "gpt-5.6-sol",
    tools,
    previous_response_id: response.id,
    input: outputs,
  });
}

console.log(response.output_text);
Send a request, execute the Finmei tool calls through the session, and print the final answer

Why Use Composio?

AI Native Finmei Integration

  • Supports both Finmei MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for creating, updating, and querying invoices and expenses

Managed Auth

  • Built-in API key handling and secure credential storage
  • Central place to manage, scope, and revoke Finmei access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Finmei
  • Scoped, least privilege access to Finmei resources
  • Full audit trail of agent actions to support review and compliance
FAQ

Frequently asked questions

Yes, Finmei requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

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