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How to connect CertSeal MCP with ChatGPT

Connect ChatGPT to CertSeal MCP. Issue certificates for completed training batch, list pending certseal certificate recipients, and more using natural language, with authentication handled for you.

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CertSeal is an API platform for issuing and managing verifiable digital certificates. Use it to automate trusted certificate workflows for recipients, batches, designs, and webhooks.

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How to connect CertSeal MCP with ChatGPT

ChatGPT can take action across your apps and files, stay with a project for hours, and turn a goal into finished materials like sheets, slides, and docs, not just answers.

In this guide, I will explain the easiest and most secure way to connect your CertSeal account to ChatGPT via Composio Connect, so it can issue certificates for completed training batch, list pending certseal certificate recipients, create webhook for issued certificates through natural language commands without ever putting your account credentials at risk.

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Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's CertSeal integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,500+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand.
  • Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation.

Prerequisites

Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account.

Step-by-step: Connect CertSeal to ChatGPT

1. Install the Composio plugin

Click the button. ChatGPT opens the Composio plugin page. Click Install plugin.

Install in ChatGPT

Composio plugin page in ChatGPT with the Install plugin button

You can also find it inside ChatGPT: go to Settings, open Plugins, search the marketplace for Composio, and click Install plugin.

2. Authenticate

After you install, ChatGPT asks you to authenticate with Composio. Log in and click Allow access to authorize ChatGPT to use your Composio account.

Composio login and Allow access screen for ChatGPT

3. Start using Composio

That is it. Composio tools are now available in ChatGPT. Type @Composio followed by your request, for example @Composio find unread CertSeal messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize CertSeal.

Option 2: Add Composio as an MCP server

If you cannot use the plugin marketplace, add Composio as a custom MCP server instead.

1. Open the MCP settings

In ChatGPT, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab.

ChatGPT settings showing the Plugins page with the MCP tab selected

2. Add the server

Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT Add server dialog with the name Composio, type Streamable HTTP, and the Composio MCP URL

Then click Save. The Composio server now appears in your MCP plugins list.

ChatGPT Plugins page showing the Composio MCP server added to the list

3. Authenticate

Click Authenticate on the Composio entry, log in via Composio, and click Allow access. Composio tools are then available in ChatGPT the same way as with the plugin.

What you can do after connecting CertSeal

  • Issue certificates for completed training batch
  • List pending CertSeal certificate recipients
  • Create webhook for issued certificates

Security + privacy notes (important)

  • Use least-privilege access: Only grant permissions you actually need.
  • Review OAuth permissions before approving: Make sure requested scopes match what you expect Composio and ChatGPT to do.
  • Keep write actions human-reviewed: For actions like sending messages, creating labels, or editing drafts, keep manual confirmation enabled.
  • Be careful with sensitive data: Avoid using this setup with highly sensitive information unless allowed by your personal, company, or client policies.
TOOLS

Supported Tools

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

Create Batch

Create a persistent certificate batch from an existing CertSeal design and optional email template.

Create Webhook Subscription

Create a persistent webhook subscription for selected certificate events.

Delete Recipient

Permanently delete an issued recipient from an active batch.

Delete Webhook Subscription

Permanently delete a webhook subscription and stop future deliveries.

Get Batch

Get one active or archived certificate batch by ID.

Get Certificate

Look up an issued certificate using either its human-readable certificate ID or its public-viewer share token, and return its recipient, batch, design, and resolved variables.

Get Current Workspace

Verify the connected CertSeal API key and return the workspace ID and username it belongs to.

Get Recipient

Get one issued certificate recipient record by batch ID and recipient ID.

Get Webhook Subscription

Get one webhook subscription by ID.

Issue and Send Certificates

Atomically issue certificates for 1-100 recipients and queue email delivery for every created certificate.

Issue Certificates

Atomically issue certificates without sending email for 1-100 recipients in one active batch.

List Batches

Return one newest-first page of certificate batches in the connected workspace, optionally filtered by archive state.

List Designs

Return one newest-first page of reusable certificate designs.

List Recipients

Return one page of issued certificate recipients in a batch, optionally filtered by email delivery status.

List Webhook Subscriptions

Return one newest-first page of webhook subscriptions.

Rotate Webhook Signing Secret

Immediately invalidate a webhook subscription's current signing secret and replace it.

Send Certificate Emails

Sequentially queue real certificate emails for 1-25 existing recipients in one active batch.

Send Recipient Certificate Email

Queue asynchronous certificate email delivery to one recipient.

Set Batch Archived State

Idempotently archive or unarchive a batch.

Test Webhook Subscription

Enqueue one synthetic signed event through CertSeal's normal webhook dispatcher.

Update Recipient

Partially update an issued certificate recipient.

FRAMEWORKS

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FAQ

Frequently asked questions

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

Yes, you can. ChatGPT 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 CertSeal tools.

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

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