Mailrith MCP server

Which servers in the official MCP registry are Mailrith's own, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-14

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Whose server it is

Registry namecom.mailrith/mailrithverified in the MCP registry

The registry name sits under mailrith.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-14

Stateanswerschecked 2026-10-14
Tools55
Server calls itselfmailrith
Server version1.1.1
Protocol version2025-06-18

On 2026-10-14 the server answered initialize and tools/list without a sign-in. First answer in 129 ms.

Tools it offers55 tools · read 2026-10-14

discovery_get_capabilities
Returns the current workspace context, discovery URLs, shared request conventions, supported webhook events, and public resource operations available to the authenticated bearer credential. Permission: none. API reference…
workspace_get
Returns the authenticated workspace profile and mailing context used by broadcasts, sequences, automations, forms, and magic links. Permission: workspace:read. API reference: https://mailrith.com/developers/api-reference.
sender_identities_list
Returns a bounded page of enabled sender names, addresses, and provider types that can be selected for Broadcasts and Sequences. Provider credentials and configuration are never returned. Permission: workspace:read. Pagination: use…
sender_identities_get
Returns one enabled sender name, address, and provider type by stable identifier. Provider credentials and configuration are never returned. Permission: workspace:read. API reference: https://mailrith.com/developers/api-reference.
analytics_create_report
Runs from compact rollups. Ranges through 31 days complete inline; longer ranges are queued. Results expire after 24 hours and never exceed 100 rows. Effect: workspace-change. Retry with the same idempotency_key. Permission…
analytics_get_report
Returns one unexpired bounded analytics report by identifier. Permission: analytics:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.
subscribers_list
Returns subscribers in the authenticated workspace, sorted from newest to oldest. Permission: subscribers:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.
subscribers_get
Returns one Subscriber by its stable identifier from the authenticated workspace. Permission: subscribers:read. API reference: https://mailrith.com/developers/api-reference.
subscribers_upsert
Creates a new subscriber when the email does not exist in the workspace. If the email already exists, the API updates the existing subscriber unless create_only is true. Effect: external-email. Retry with the same idempotency_key…
subscribers_update
Updates profile fields, status, custom fields, tags, or sequence assignments for one subscriber. Fields omitted from the request stay unchanged. Blank optional custom field values also leave saved values unchanged, and filled-in invalid…
subscribers_update_status
Changes the delivery status for one Subscriber without changing profile, targeting, or Sequence enrollment fields. Making a Subscriber Active requires consent_evidence; its collected_at value must include the correct UTC offset and must…
subscribers_add_tag
Adds the selected Tag to a Subscriber. If the Subscriber already has the Tag, the API returns the Subscriber unchanged. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write…
subscribers_remove_tag
Removes the selected tag from a subscriber. If the subscriber does not have the tag, the API returns the subscriber unchanged. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write…
subscribers_add_to_sequence
Adds the selected subscriber to the selected sequence. If the subscriber is already in the sequence, the API returns the subscriber unchanged. Effect: external-email. Retry after reading the current resource state. Permissions…
subscribers_remove_from_sequence
Removes the selected subscriber from the selected sequence. If the subscriber is not in the sequence, the API returns the subscriber unchanged. Effect: subscriber-change. Retry after reading the current resource state. Permissions…
tags_list
Returns tags in the authenticated workspace. Permission: tags:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.
tags_get
Returns one Tag from the authenticated workspace. Permission: tags:read. API reference: https://mailrith.com/developers/api-reference.
tags_create
Creates a new tag in the authenticated workspace. The GDPR consent tag names can be created and applied like other tags when you need to apply consent collected outside Mailrith. Tag-level double opt-in fields are no longer accepted…
custom_fields_list
Returns a bounded page of custom fields in the authenticated workspace, including each field's exact ready-to-use email personalization token. Permission: custom_fields:read. Pagination: use bounded pages and returned cursors. API…
custom_fields_get
Returns one custom field from the authenticated workspace, including its exact ready-to-use email personalization token. Permission: custom_fields:read. API reference: https://mailrith.com/developers/api-reference.
segments_list
Returns saved segments from the authenticated workspace. Permission: segments:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.
segments_get
Returns one saved segment from the authenticated workspace. Permission: segments:read. API reference: https://mailrith.com/developers/api-reference.
segments_preview
Returns subscriber counts for an unsaved segment definition. Include `current_segment_id` when previewing edits to an existing segment so circular segment references are rejected before saving. Permission: segments:read. API reference…
broadcasts_list
Returns broadcast drafts, scheduled sends, active sends, and completed sends. Permission: broadcasts:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.
broadcasts_create
Creates a broadcast draft in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: broadcasts:write. API reference: https://mailrith.com/developers/api-reference.
broadcasts_get
Returns a broadcast draft, scheduled send, active send, or completed send. Permission: broadcasts:read. API reference: https://mailrith.com/developers/api-reference.
broadcasts_update
Updates an existing Broadcast draft. Scheduled, running, completed, and failed Broadcasts cannot be changed here. Before changing a scheduled Broadcast, read it by ID and retain its scheduled_at in the current task only. If the saved time…
broadcasts_preflight
Optionally checks the current Subscriber estimate, provider capacity, sender setup, event tracking, and blocking issues. This diagnostic is not required before starting a durable send. Permission: broadcasts:read. API reference…
broadcasts_send_test
Sends a test message from an existing Broadcast that has an email delivery connection. Provide a saved Subscriber ID for personalization; use subscribers_list to find one when needed. The recipient may be any test inbox and does not have…
broadcasts_schedule
Schedules a draft for future delivery, or changes the delivery time of an existing scheduled Broadcast. This uses Mailrith's durable scheduled-send path and does not start delivery immediately. Effect: external-email. Retry after reading…
broadcasts_unschedule
Returns a scheduled Broadcast to draft state before delivery starts. Effect: workspace-change. Retry after reading the current resource state. Permissions: live_actions:write, broadcasts:write. API reference…
broadcasts_send
Immediately creates durable preparation for a broadcast draft or scheduled send. Mailrith calculates the exact Subscriber total and checks provider readiness in the background before delivery. A 202 response means the durable send was…
broadcasts_cancel
Requests cancellation for delivery work that has not reached the provider. Provider-accepted emails cannot be recalled. Repeat the same request with the same idempotency key when the response is lost. Effect: external-email. Retry with…
broadcasts_get_send_progress
Returns bounded delivery progress, current rates, timing, outcome counts, and pause state. Poll until terminal is true; use 5 to 10 second intervals while progress changes and back off to 30 seconds when unchanged. Permission…
sequences_list
Returns sequences in the authenticated workspace. Permission: sequences:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.
sequences_create
Creates a sequence in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: sequences:write. API reference: https://mailrith.com/developers/api-reference.
sequences_get
Returns one sequence from the authenticated workspace. Permission: sequences:read. API reference: https://mailrith.com/developers/api-reference.
sequences_update
Updates an existing paused Sequence. Before changing a running Sequence, read it by ID, retain its status in the current task only, pause it, apply the update, and use bounded direct item reads until is_updating is false. Run preflight…
sequences_preflight
Checks the saved Sequence, its published emails, and its email delivery connection without changing data or sending email. Permission: sequences:read. API reference: https://mailrith.com/developers/api-reference.
sequences_preview_journey
Returns the bounded saved email timeline and shows which messages a selected Subscriber is eligible to receive, without enrolling the Subscriber or sending email. Permissions: subscribers:read, sequences:read. API reference…
sequences_send_test
Sends up to five selected saved Sequence emails to one explicit test address. This does not enroll a Subscriber, start the Sequence, or write delivery activity. Effect: external-email. Retry with the same idempotency_key. Permissions…
sequences_update_status
Starts or pauses one Sequence without changing its content or delivery settings. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, sequences:write. API reference…
automations_list
Returns automations in the authenticated workspace. Permission: automations:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.
automations_create
Creates an automation in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: automations:write. API reference: https://mailrith.com/developers/api-reference.
automations_get
Returns one automation from the authenticated workspace. Permission: automations:read. API reference: https://mailrith.com/developers/api-reference.
automations_update
Updates an existing draft or paused Automation. Before changing a running Automation, read it by ID, retain its status in the current task only, pause it, apply the update, and use bounded direct item reads until is_updating is false. Run…
automations_preflight
Checks the saved Automation definition and email delivery prerequisite without running any action. Permission: automations:read. API reference: https://mailrith.com/developers/api-reference.
automations_preview_journey
Shows the bounded path a selected Subscriber would take through the current saved conditions without running actions or writing history. Permissions: subscribers:read, automations:read. API reference…
automations_send_test
Sends up to five selected saved Automation email steps to one explicit test address. This does not start the Automation or run other actions. Effect: external-email. Retry with the same idempotency_key. Permissions: live_actions:write…
automations_update_status
Starts, pauses, or returns one Automation to draft without changing its definition. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, automations:write. API reference…
email_templates_list
Returns reusable email templates linked to the authenticated workspace. Permission: email_templates:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.
email_templates_create
Creates a reusable email template scoped to the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: email_templates:write. API reference: https://mailrith.com/developers/api-reference.
email_templates_get
Returns a reusable email template linked to the authenticated workspace. Permission: email_templates:read. API reference: https://mailrith.com/developers/api-reference.
email_templates_preview
Renders one template using a saved Subscriber's name, email, and custom fields without sending or saving anything. Permissions: subscribers:read, email_templates:read. API reference: https://mailrith.com/developers/api-reference.
email_templates_update
Updates the content or enabled state of an existing email template. Effect: workspace-change. Retry after reading the current resource state. Permission: email_templates:write. API reference: https://mailrith.com/developers/api-reference.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "mailrith": {
      "type": "http",
      "url": "https://api.mailrith.com/mcp"
    }
  }
}

Also shipped through: npm

OpenAPI spec

84 paths, read 2026-10-14. Open the spec ↗

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.