SendGrid Transactional MCP server

Read from the package source without running it. The installed server may list more.

• activate_template_version

  Activate a specific version of a template (only one version can be active at a time)

• analyze_engagement_anomalies

  Analyze Event Webhook events for non-human engagement patterns, machine opens, and unique-open approximation.

• cancel_scheduled_sendwrite action

  Cancel a scheduled send batch. This is not guaranteed close to send time.

• check_suppression

  Check bounce, block, global unsubscribe, spam report, invalid email, and ASM group suppressions (GET /v3/asm/suppressions/{email}) for one recipient.

• classify_sendgrid_error

  Classify SendGrid API errors and return likely causes with targeted remediation steps.

• clear_received_webhook_events

  Clear locally captured SendGrid Event Webhook payloads.

• create_alertwrite action

  Create a SendGrid alert (usage_limit or stats_notification).

• create_asm_groupwrite action

  Create an ASM unsubscribe group (POST /v3/asm/groups) for transactional mail. Does not create a marketing list.

• create_authenticated_domainwrite action

  Start domain authentication (whitelabel domain). Returns DNS records to configure.

• create_batch_idwrite action

  Create a SendGrid batch ID for scheduled sends and later pause/cancel control.

• create_inbound_parse_settingwrite action

  Create inbound parse setting. Hostname MX must point to SendGrid.

• create_templatewrite action

  Create a new dynamic template with a first version

• create_verified_senderwrite action

  Create a verified sender identity. SendGrid emails a verification link to from_email.

• delete_alertwrite action

  Delete a SendGrid alert by ID.

• delete_inbound_parse_settingwrite action

  Delete inbound parse setting by hostname.

• delete_suppressionwrite action

  Remove one recipient from a suppression list: bounce, block, spam_report, invalid_email, global unsubscribe, or one ASM group. Does not delete the group itself.

• delete_templatewrite action

  Permanently delete a SendGrid template and all its versions. Use with caution.

• delete_verified_senderwrite action

  Delete a verified sender identity by ID.

• get_account_info

  Read SendGrid account overview (account type, reputation, and related metadata).

• get_alert

  Read one SendGrid alert by ID.

• get_authenticated_domain

  Read one authenticated domain record by ID.

• get_branded_link

  Read one branded link record by ID.

• get_email_statswrite action

  Get email statistics. dimension=global is the account daily rollup. category requires categories. mailbox_provider, geo, browser, device, and client are the other SendGrid stats cuts. Browser, device, and client stats retain about 7 days.

• get_enforced_tls

  Read Enforced TLS settings (GET /v3/user/settings/enforced_tls). require_tls drops mail when the recipient MX does not offer TLS.

• get_event_webhook

  Get one Event Webhook config by ID from SendGrid.

• get_mail_setting

  Read one SendGrid mail setting by name.

• get_message_activity

  Get Email Activity for one message. msgId may be a full msg_id or the Mail Send x-message-id (resolved with msg_id LIKE). On Activity 403/404 for a full id, falls back to POST /v3/logs.

• get_received_webhook_events

  Read recent Event Webhook payloads captured by this server (for SendGrid-side diagnostics).

• get_scheduled_sendwrite action

  Read pause/cancel state for one scheduled-send batch_id. SendGrid answers a missing batch with 200 and an empty array; this tool reports that as not found.

• get_scopes

  List OAuth scopes granted to the current SendGrid API key (GET /v3/scopes). Use this after a 403 to see what the key can actually call.

• get_template_html

  Get full HTML content of a template's active (or specific) version

• get_tracking_setting

  Read one SendGrid tracking setting by name.

• get_user_credits

  Read SendGrid account email credits/quota overview.

• get_user_profile

  Read SendGrid user profile (company, address, contact fields).

• get_verified_sender

  Read one verified sender identity by ID.

• get_webhook_receiver_status

  Show local webhook receiver status for incoming SendGrid Event Webhook posts.

• list_alerts

  List SendGrid account alerts (usage limits and stats notifications).

• list_asm_groups

  List ASM unsubscribe groups (GET /v3/asm/groups). Use the id as asm.groupId when sending. This is not a marketing contact list.

• list_authenticated_domains

  List domain authentication (whitelabel domain) records and DNS validation state.

• list_branded_links

  List link branding (click-tracking domain) records.

• list_categories

  List category names (GET /v3/categories) so get_email_stats dimension=category can be given a real categories array.

• list_event_webhooks

  List all Event Webhook configurations directly from SendGrid.

• list_inbound_parse_settings

  List inbound parse (receive email webhook) settings.

• list_mail_settings

  List SendGrid mail settings summaries (footer, bounce purge, spam check, etc.).

• list_scheduled_sends

  List paused or canceled scheduled-send batches (GET /v3/user/scheduled_sends). A batch that was only scheduled with send_at, and never paused or canceled, is not in this list.

• list_subusers

  List SendGrid subusers for the parent API key (GET /v3/subusers). Use a returned username as onBehalfOf on later calls, or as SENDGRID_ON_BEHALF_OF. Pass onBehalfOf="parent" when that env var is already set and this list must run as the parent.

• list_suppressions

  List SendGrid suppressions by type (bounces, blocks, unsubscribes, spam reports, invalid emails, global unsubscribes).

• list_templates

  List all dynamic SendGrid templates with their IDs, names, and version counts

• list_tracking_settings

  List SendGrid tracking settings summaries (click, open, subscription, etc.).

• list_verified_senders

  List verified sender identities configured in SendGrid.

• manage_event_webhookwrite action

  Create, delete, or test a SendGrid Event Webhook. create requires url. delete requires id. test sends a sample event to url, or to the saved webhook url when only id is set.

• pause_scheduled_sendwrite action

  Pause a scheduled send batch by batch ID.

• prune_inactive_template_versionswrite action

  Delete all inactive versions for one or more templates (keeps the active version only)

• rename_template

  Rename a dynamic template (updates the template name, not a version label)

• rename_templates_bulk

  Bulk rename templates by ID and/or current name. Supports dry-run and stop-on-error.

• resend_verified_sender_verification

  Resend verification email for a verified sender identity.

• resume_scheduled_sendwrite action

  Resume a previously paused/canceled batch by deleting its scheduled-send status.

• schedule_emailwrite action

  Schedule an email by setting send_at. Creates batch ID automatically when not provided.…

• search_email_logswrite action

  Search Email Logs (POST /v3/logs). Use when Email Activity is unavailable, especially for EU regional subusers. Query fields: sg_message_id =, subject =, to_email =, status IN, reason =, categories IN, sg_message_id_created_at comparisons. Combine with AND. No nesting. Parent accounts pass exactly one subuser.

• search_message_activity

  Search SendGrid Email Activity (GET /v3/messages). Pass xMessageId for the Mail Send x-message-id header; it is compiled to msg_id LIKE. offset is not supported by this API. On 403/404, or an empty EU Activity result, falls back to POST /v3/logs.

• send_email_advancedwrite action

  Send email with full /mail/send payload surface (content/template, tracking, asm, scheduling, categories, etc).…

• send_sandbox_emailwrite action

  Send using mail_settings.sandbox_mode=true for payload/template validation without live recipient delivery.…

• send_template_email_advancedwrite action

  Send a dynamic-template email with optional cc/bcc, reply-to, asm, categories, custom args, and scheduling.…

• send_test_emailwrite action

  Send a test email using a template with mock data. Uses mail_settings.sandbox_mode by default (SendGrid accepts but does not deliver). Set liveDelivery=true with confirmToken="CONFIRM" for real delivery.

• send_with_preflightwrite action

  Preferred production send path: runs validate_send_request checks first, then POST /v3/mail/send only when no blockers (and optionally no warnings with abortOnWarnings). Use validate_send_request alone for a dry-run review before calling send_email_advanced or send_template_email_advanced.

• sync_template_ids
• toggle_event_webhook_signature

  Enable or disable SendGrid signature verification for a specific Event Webhook.

• triage_delivery_issuewrite action

  Run targeted delivery triage for common incidents (202 accepted no inbox, processing, sender identity, DMARC/auth, template drops, deferrals, unsubscribe spikes).

• update_alertwrite action

  Update an existing SendGrid alert by ID.

• update_branded_linkwrite action

  Update a branded link (e.g. set default=true for click-tracking domain).

• update_event_webhookwrite action

  Update Event Webhook settings in SendGrid (URL, enabled flag, and event toggles).

• update_inbound_parse_settingwrite action

  Update inbound parse setting for a hostname.

• update_mail_settingwrite action

  Update one SendGrid mail setting (PATCH /mail_settings/{name}). Payload fields depend on setting type.

• update_template_htmlwrite action

  Update the HTML, subject, or name of a specific template version

• update_tracking_settingwrite action

  Update one SendGrid tracking setting (click/open/subscription/google_analytics).

• validate_authenticated_domain

  Validate DNS for an authenticated domain. Returns validation results and errors.

• validate_branded_link

  Validate DNS for a branded link (click-tracking domain) by ID.

• validate_send_requestwrite action

  Run this before any send_* call. Validates /v3/mail/send payload shape, active dynamic template, sender identity (domain authentication or verified sender), link branding alignment, recipient suppressions, and scheduling limits (send_at must be in the future and within 72 hours per SendGrid Mail Send API). Returns blockers and warnings without sending mail.

• Code scan20 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitystatic API keys via environment variables6/15
• Maintenancelast push 0 days ago15/15
• Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Safety score

83/100

higher than 75% of 914 Email servers

Tools

78

the typical Email server has 7

Tools that change things

45%

typical: 25%. Fewer write tools means less an agent can break

GitHub stars

1

more than 65% of 492 Email servers

Downloads a week

566

more than 86% of 231 Email servers with a package

SendGrid Transactional: common questions

Is SendGrid Transactional MCP server safe?

Mostly: it is graded B (83/100). Read the SendGrid Transactional safety report

How do I install SendGrid Transactional?

It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.

Does SendGrid Transactional need an API key?

Yes. The registry entry asks for SENDGRID_API_KEY.

Is SendGrid Transactional maintained?

The last commit was 21 days ago (2026-10-12). The latest release is v3.0.3.

What can I use instead of SendGrid Transactional?

Servers from other publishers that do the same job: Sendgrid MCP server, MisarMail MCP Server and SendGrid MCP Server. Compare all SendGrid Transactional alternatives.

How does SendGrid Transactional compare with other Email MCP servers?

safety score 83/100 (higher than 75% of 914 Email servers); tools 78 (the typical Email server has 7); tools that change things 45% (typical: 25%. Fewer write tools means less an agent can break). Full comparison.