How to integrate OData MCP with Atomic Agent

Connect Atomic Agent to OData MCP. List all entity sets and schemas, query products with stock less than 10, and more using natural language, with authentication handled for you.

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Basic

OData is a web protocol that exposes data via HTTP in the OData V2 format. Use it to discover service metadata and work with exposed entity sets.

7 Tools

Introduction

Atomic Agent is an open-source AI agent that runs on your machine and supports local models through llama.cpp. Connect it to 1,500+ apps through Composio, including OData.

This guide uses Atomic Agent's built-in Composio integration. You need Atomic Agent v0.5.6 or later, your own Composio API key, and a OData account. See the Atomic Agent documentation for installation instructions.

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How Atomic Agent connects to OData

Atomic Agent connects to Composio's Tool Router over Streamable HTTP MCP. It discovers the tools needed for your request, and Composio handles account authentication.

Execution and account-connection tools follow Atomic Agent's configured approval policy. Review any approval prompt before allowing an action on your connected account.

Connect OData to Atomic Agent

  1. Sign up or sign in to the Composio dashboard. Copy your API key.
  2. In Atomic Agent, open the Integrations tab and select Composio. Select API key, press e, paste the key, and press Enter. The tools become available immediately, without a restart.
  3. Ask Atomic Agent to do something in OData. It searches Composio for the right tool.
  4. On first use, open the sign-in link returned in the chat. Connect your OData account, then return to Atomic Agent to continue.

Headless setup

Add the following line to ~/.atomic-agent/.env, replacing YOUR_COMPOSIO_API_KEY with your key. Start Atomic Agent after saving the file.

bash
COMPOSIO_API_KEY=YOUR_COMPOSIO_API_KEY

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

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

Use OData from Atomic Agent

With your account connected, ask Atomic Agent to work with OData in natural language. You can connect more apps through the same Composio integration as you need them.

Visit the Atomic Agent website or inspect the Atomic Agent source code.

Troubleshooting

Why is my API key rejected?

Copy the key directly from the Composio dashboard. Atomic Agent requires ASCII characters because it sends the key in an HTTP header. Remove any extra characters introduced when copying.

Why are Composio tools unavailable after saving a key?

Check that you use Atomic Agent v0.5.6 or later and that Composio is enabled in your configuration. A "composio": { "enabled": false } setting disables the integration while keeping the saved key on disk.

Does Composio have a free plan?

The Hobby plan includes 100,000 tool calls per month. Composio-managed OAuth apps have a lower included allowance. See Composio pricing for the current limits that apply to your connection.

TOOLS

Supported Tools

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

Create Entity

Create one entity or a bounded tree of new related entities in exactly one OData V2 POST.

Delete Entity

Permanently delete one metadata-keyed OData V2 entity only when metadata permits HTTP DELETE.

Get Entity

Retrieve one metadata-declared OData V2 entity by its complete typed key and optionally project selected structural properties.

Get Entity Schema

Return normalized CSDL keys, structural properties, navigation relationships, and effective restrictions for one exact entity set in the connected OData V2 service.

List Entities

Validate the connected OData V2 service and list its metadata-declared entity sets, ordered keys, and effective query and write restrictions.

Query Entities

Return exactly one bounded page from a metadata-declared OData V2 entity set using validated filtering, projection, and ordering; expansion is not supported.

Update Entity

Partially update one metadata-declared OData V2 entity through POST method tunneling with MERGE semantics; unsupported providers fail without PUT or PATCH fallback.

FAQ

Frequently asked questions

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

Yes, you can. Atomic Agent 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 OData tools.

Yes, absolutely. You can configure which OData 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 OData data and credentials are handled as safely as possible.

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