Twilio SendGrid MCP. Manage contacts, bounces, and dispatch campaigns.
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Twilio SendGrid MCP Server gives your AI agent direct API access to manage email campaigns, clean contact lists, and audit deliverability.
Dispatch authenticated HTML emails, check suppression bounce records, or grow marketing directories using specific tools like `dispatch_email` and `create_marketing_contact`. It's full-cycle marketing automation right through the chat interface.
What your AI agents can do
Create marketing contact
Adds a new contact to your marketing directory, merging data if the person already exists.
Delete bounce
Removes a specific address from the bounce suppression list after validating it should be active again.
Delete spam report
Use with caution — sending to users who report spam can damage your sender reputation.
Remove an email from the spam report suppression list
Use the dispatch_email tool to send outbound HTML campaigns from a verified sender address.
Run list_bounces to view all bounced email records and use delete_bounce to remove specific addresses from the suppression list.
Use create_marketing_contact to add or update subscriber details, and list_marketing_contacts to view the entire directory.
List all available transactional designs with list_dynamic_templates, then retrieve a specific template's structure using get_template_details.
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Supported MCP Clients
OAuth 2.0 Compatible Gemini Waiting for input…
Twilio SendGrid MCP Server: 10 Tools for Email Ops
Use these tools to automate every step of your marketing lifecycle, from list hygiene and contact creation to authenticated campaign dispatch.
Make your AI actually useful.
Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using Twilio SendGrid on Vinkius019d7605create marketing contact
Adds a new contact to your marketing directory, merging data if the person already exists.
019d7605delete bounce
Removes a specific address from the bounce suppression list after validating it should be active again.
019e9a8fdelete spam report
Use with caution — sending to users who report spam can damage your sender reputation. Remove an email from the spam report suppression list
019d7605dispatch email
Sends an authenticated outbound email campaign via SendGrid's SMTP relay to specified recipients.
019e9a8fget delivery stats
Use YYYY-MM-DD format. Get global email delivery statistics
019d7605get template details
Retrieves the specific structure and content details for a single transaction template ID.
019e9a8flist blocked emails
Different from bounces — blocks are typically temporary server-level rejections. List all blocked email addresses
019d7605list bounces
Gathers a list of all email addresses that have recently failed delivery (hard bounces).
019d7605list dynamic templates
Lists every available dynamic transactional template stored in your account.
019d7605list global unsubscribes
Retrieves a full list of all users who have unsubscribed from marketing communications globally.
019d7605list marketing contacts
Lists every current contact record in your primary marketing directory.
019d7605list marketing lists
Retrieves a list of all segmented marketing contact groups you maintain.
019e9a8flist single sends
List all marketing single-send campaigns
019d7605list spam reports
Lists records detailing emails that have been reported as spam by users.
019e9a8flist verified senders
Only verified senders can be used in the from_email field. List all verified sender identities
019e9a8fsearch contact by email
Returns full contact profile including custom fields, lists, and segments. Look up a marketing contact by email address
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Works with Claude, ChatGPT, Cursor, and more
The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.
This server provides 16 capabilities that interface natively with Claude, ChatGPT, Cursor, and any MCP client. No middleware. No custom integration required.
Checking deliverability used to mean exporting CSVs and cross-referencing spreadsheets.
Before this, if your team wanted to know why an email failed, someone had to log into the SendGrid dashboard. They'd navigate to 'Bounces', filter by date range, then manually copy addresses that needed clearing. This process was slow and prone to human error—you could miss critical records.
Now, you just ask your agent: 'What emails bounced this week?' The agent runs `list_bounces`, pulls the specific failure data (like 550 Relay Denied), and tells you exactly which addresses need attention. You get actionable intelligence instantly.
Twilio SendGrid MCP Server: Manage contacts, bounces & delivery
Before connecting this server, every campaign update—whether it was adding a new lead or fixing an old bounce—required multiple logins and API calls written into code. A simple list cleanup meant jumping between 'Contacts', 'Lists', and 'Bounces' sections.
With the MCP Server, all of that complexity is abstracted. You speak natural language to your agent, and it orchestrates the necessary sequence (`list_marketing_lists` -> `create_marketing_contact` -> `dispatch_email`) in one go. It just works.
What you can do with this MCP connector
Your AI agent gives you direct API access to manage every part of your email campaign lifecycle through Twilio SendGrid. You don't gotta export CSVs or stare at dashboards; your agent handles list hygiene, sending campaigns, and auditing bounces right from the chat interface.
Sending Campaigns
You can run outbound HTML campaigns using dispatch_email. This tool sends authenticated emails via SendGrid’s SMTP relay straight to specified recipients. You dictate the message content and hit send; it queues up instantly for delivery.
Auditing Delivery Status
To check on failed deliveries, you'll run list_bounces to gather a complete list of every email address that bounced hard. If you know an address was wrongly suppressed, you use delete_bounce to remove it from the bounce suppression list after confirming it's active again. For compliance tracking, your agent can pull all records detailing emails reported as spam using list_spam_reports.
You can also view every user who unsubscribed globally by calling list_global_unsubscribes, giving you a clear picture of your opted-out audience.
Managing Contact Data
When it comes to list hygiene, the agent lets you maintain your core directory using list_marketing_contacts to see every current subscriber record. Need to add someone new or update details? Use create_marketing_contact; this tool handles adding a new contact while making sure it merges data if that person already exists in your system.
You can also pull a list of all segmented marketing groups you've set up by running list_marketing_lists.
Inspecting Templates
Before you fire off any major send, you need to check the template structure first. Your agent pulls every available dynamic transactional design stored in your account using list_dynamic_templates. Once you identify a specific ID, you use get_template_details to retrieve that exact template's structure and content details. This whole setup lets your AI client manage full-cycle marketing automation.
This server gives your agent the power to take action: dispatching emails with dispatch_email, cleaning up data with delete_bounce, growing lists with create_marketing_contact, viewing every detail with get_template_details, and pulling critical reports like bounce records using list_bounces or spam complaints via list_spam_reports.
019d7605-f539-7270-b502-700c7586cfb5 
How Twilio SendGrid MCP Works
- 1 Enable the SendGrid component in your client environment and supply an encrypted API Key with necessary permissions.
- 2 Ask your agent to perform a task (e.g., 'List all bounced emails').
- 3 The agent calls the specific tool (
list_bounces), processes the data, and gives you actionable results or executes corrective actions.
The bottom line is: Your AI client interacts with your SendGrid account using direct API calls, eliminating manual dashboard navigation for core marketing tasks.
Who Is Twilio SendGrid MCP For?
This is for the Marketing Ops Manager who's tired of cross-referencing spreadsheets and manually checking bounce logs. It’s also for Software Developers building internal tools that need reliable, API-driven email communication without writing boilerplate SendGrid code.
Needs to run list audits, clean up hard bounces using list_bounces and delete_bounce, or quickly check deliverability for a critical campaign send.
Builds microservices that need to dispatch emails (dispatch_email) or validate contact schemas before sending data downstream, without needing full SendGrid SDK integration.
Requires instant verification of a key customer's email status—is it bouncing, unsubscribed, or deliverable?
What Changes When You Connect
- Clean your list instantly. Instead of manual auditing, use
list_bouncesto find dead addresses and then rundelete_bounceon valid ones. This keeps your sender reputation healthy. - Automate contact growth. Whenever a conversation generates an email address, the agent runs
create_marketing_contact, ensuring every new lead is immediately added or updated in your CRM records. - Verify campaigns before sending. Use
list_dynamic_templatesfollowed byget_template_details. You can check complex HTML structures against their rules without building a test email manually. - Know exactly who opted out. The agent runs
list_global_unsubscribes, giving you a single source of truth regarding compliance and unsubscribed users, preventing accidental sends. - Track deliverability issues. Use
list_spam_reportsto see what complaints are coming in. This gives early warnings that your content or sender reputation is failing.
Real-World Use Cases
Initial campaign send fails due to old addresses.
A large client needs to run a blast, but they suspect the list has junk data. They ask their agent: 'Audit our bounces and prep the list.' The agent runs list_bounces, finds 120 invalid records, prompts you for confirmation, and then executes delete_bounce on them before initiating the final dispatch_email.
Building a new lead capture form.
A marketing team needs to integrate a sign-up widget. Instead of manual CSV imports, they ask their agent to run through the data flow: it uses create_marketing_contact for every submission and then runs list_marketing_lists to verify which segment the new contact belongs to.
Debugging a template structure.
A developer is testing an HTML email layout. They first call list_dynamic_templates to see available designs, then use get_template_details on ID XYZ to verify that the <h1 style='color:red'> tags render correctly before sending a test via dispatch_email.
Investigating list health after an outage.
The team notices delivery metrics dropped. They ask their agent to check for compliance issues, running both list_spam_reports and list_global_unsubscribes. The agent synthesizes the data, telling them if the drop was due to spam complaints or a mass opt-out.
The Tradeoffs
Trying to update contact fields manually.
The user tries to tell their agent: 'Update John Doe's phone number.' The system fails because there is no direct update_contact tool available in the current manifest.
→
If you need to change a core field, run list_marketing_contacts first. If the data needs merging or enrichment, use create_marketing_contact; this tool handles updates if the contact already exists.
Assuming list names are enough.
The user only runs list_marketing_lists and assumes that just knowing the segment name is enough to send an email. This fails because you still need to dispatch the message.
→
Always pair listing with action. After running list_marketing_lists, use dispatch_email specifying the recipients or template associated with that list.
Sending emails without checking bounces.
The team launches a major campaign and ignores bounce data, leading to high failure rates and damaged sender reputation. They only rely on their initial list_marketing_contacts snapshot.
→
Before any large send, run list_bounces. Use the results to identify bad addresses, then execute delete_bounce before calling dispatch_email.
When It Fits, When It Doesn't
Use this MCP Server if your process requires a full cycle: validation -> action -> cleanup. Specifically, use it when you need to confirm list health (using list_bounces, list_spam_reports) before performing any send (dispatch_email). You must run the agent through data retrieval tools like list_marketing_contacts and then decide on a corrective action using delete_bounce. Don't use this if you only need to read basic metrics; for pure reporting, simpler list-reading servers might suffice. If your primary goal is just contact acquisition without sending, stick to create_marketing_contact; don't worry about the send tools until you have a validated list.
Common Questions About Twilio SendGrid MCP
How do I check for bounce issues using list_bounces? +
Run list_bounces. The agent will show you a record of all failed emails, including the specific error code (e.g., 550 Relay Denied). From there, you can use delete_bounce if you confirm the address is valid.
What's the difference between list_marketing_contacts and list_marketing_lists? +
The distinction is contacts vs. groups. list_marketing_contacts gives a raw list of every single person. list_marketing_lists shows you the segmented buckets (like 'Tier 1 Clients' or 'Q3 Leads') that contain those people.
Can I use dispatch_email to send a test email? +
Yes, absolutely. You tell your agent to run dispatch_email with the target recipients and subject line. It sends the fully authenticated HTML email through SendGrid's relay.
Do I need to worry about spam complaints? How does list_spam_reports help? +
Yes, you should check this regularly. Running list_spam_reports gives you a log of user-reported complaints. This is an early warning system that tells you when your content or sender reputation needs immediate attention.
When sending an email with `dispatch_email`, what are the mandatory setup requirements? +
You must use a verified sender email in the "from_email" field. This step is required for deliverability and prevents emails from being flagged as spam, so always ensure your credentials are pre-verified.
If I run `create_marketing_contact` multiple times with the same user data, what happens? +
The tool merges existing data if the contact ID already exists. It updates relevant fields rather than creating duplicate records, which keeps your marketing list clean and accurate.
Before running `delete_bounce`, what should I know about suppressing records? +
Be careful; this action is destructive because it permanently removes the suppression record. Only use delete_bounce when you are absolutely certain a specific address needs to be unblocked from spam filters.
What information does `get_template_details` provide about a template's internal code? +
It retrieves granular details, including the full structure and blocks of the chosen template. This lets you inspect the exact HTML markup before deciding to run an outbound campaign.
Can the agent automatically send emails on my behalf? +
Yes. The integration natively wraps the dispatch_email mutation tool. If adequately prompted, the system will formulate HTML payloads and broadcast them assuming you explicitly provide the verified Sender Identity (from_email) corresponding to your account.
How do I remove an email block suppressing one of my clients? +
You don't need to manually interact with the web app anymore. Dictate to the LLM: 'Unblock client@gmail.com from my bounce list'. The agent will instantly leverage delete_bounce removing the suspension logic behind the scenes.
Can I query spam complaints regarding my outgoing templates? +
Absolutely. Utilize the command prompt sequence to call list_spam_reports. It retrieves detailed events pointing precisely to domains triggering those complaints, empowering you to adjust or purge bad contacts dynamically.
Multi-server workflows that include Twilio SendGrid MCP
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Use it with your favorite AI tools
Connect this server to Cursor, Claude, VS Code, and more.