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How to integrate PayChasers MCP with Hermes

Connect Hermes to PayChasers MCP. Send payment reminder for invoice inv-123, list overdue invoices older than 30 days, and more using natural language, with authentication handled for you.

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PayChasers automates payment reminders, client management, and follow-ups for overdue accounts. Helps reduce late payments and streamlines accounts receivable workflows.

7 Tools

Introduction

Hermes is a 24/7 autonomous agent that lives on your computer or server — it remembers what it learns and evolves as your usage grows.

This guide explains the easiest and most robust way to connect your PayChasers account to Hermes. You can do this through either Composio Connect CLI or Composio Connect MCP. For personal use we recommend the CLI, but you won't go wrong with MCP either.

Also integrate PayChasers with

ChatGPT WorkClaude Cowork

What is Composio Connect?

Composio Connect is a consumer offering that lets anyone plug 1,500+ applications directly into their agent harness — including Hermes. It can:

  • Search and load tools from relevant toolkits on-demand, reducing context usage.
  • Chain multiple tools to accomplish complex workflows via a remote workbench, without excessive back-and-forth with the LLM.
  • Manage app authentication end-to-end with zero manual overhead.

Integrating PayChasers with Hermes

Using Composio Connect CLI

1. Install the Composio CLI

Run the install script directly, or paste https://composio.dev/hermes into your Hermes chat box to have it installed for you.

bash
curl -fsSL https://composio.dev/install | bash
Hermes authenticating with Composio

2. Authenticate

Once the CLI is installed, ask Hermes to authenticate with Composio.

3. Connect to PayChasers

Ask your agent to connect to PayChasers, or simply request any PayChasers-related task. Hermes will prompt you to authenticate and authorize access.

4. Done. You're all set with a new PayChasers connection.

Using Composio Connect MCP

1. Get your MCP URL and API Key

Go to dashboard.composio.dev and copy your Connect MCP URL and API key.

Copy MCP URL and API key from Composio dashboard

2. Open the Hermes config file

bash
nano ~/.hermes/config.yaml

3. Add the Composio Connect MCP server

bash
mcp_servers:
  composio:
    url: "https://connect.composio.dev/mcp"
    headers:
      x-consumer-api-key: "YOUR_COMPOSIO_API_KEY"
    connect_timeout: 60
    timeout: 180

Save with Ctrl + O, Enter, then exit with Ctrl + X.

4. Restart your Hermes agent

Once restarted, ask your agent to connect to PayChasers or request any PayChasers-related task. It will prompt you to authenticate and authorize access.

5. Done!

What is the PayChasers MCP server, and what's possible with it?

The PayChasers MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your PayChasers account. It provides structured and secure access so your agent can perform PayChasers operations on your behalf.

Way Forward

With PayChasers connected, Hermes can now act on your behalf whenever it detects a relevant task or you ask it to.

From here, you can extend Hermes further:

  • Connect more apps: Calendar, Slack, Notion, Linear, and hundreds of others are available through the same Composio Connect setup. Each new integration compounds what Hermes can do for you.
  • Build workflows across tools: Once multiple apps are connected, Hermes can chain actions together — turn an email into a calendar invite, a Slack message into a Linear ticket, or a meeting note into a follow-up draft.
  • Let it learn your patterns: The more you use Hermes, the better it gets at anticipating how you'd handle recurring tasks. Give it feedback on drafts and decisions, and it will adapt.

If you run into trouble or want to share what you've built, join the community or check out the Docs for deeper configuration options.

TOOLS

Supported Tools

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

Create Chase

Create a payment chase and potentially send its initial reminder immediately.

Create Client

Create a persistent PayChasers client from a name, billing email, and notes.

Get Current User

Return the connected PayChasers account profile, plan, and default currency; use this to identify the account or check its tier.

List Chases

Return chases, optionally filtered by exact status and capped by a truncating limit; the API provides no continuation mechanism.

List Clients

Return all clients visible to the connected PayChasers account.

Mark Chase Paid

Irreversibly mark a chase as paid and stop its automated follow-ups.

Send Follow-Up

Immediately send one manual follow-up for a chase in the selected tone.

FRAMEWORKS

How to build PayChasers MCP Agent with another framework

ChatGPT Work logo

ChatGPT Work

Use PayChasers MCP with ChatGPT Work

Claude Cowork logo

Claude Cowork

Use PayChasers MCP with Claude Cowork

FAQ

Frequently asked questions

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

Yes, you can. Hermes 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 PayChasers tools.

Yes, absolutely. You can configure which PayChasers 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.

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 PayChasers data and credentials are handled as safely as possible.

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