NestDaddy

SpacePost

dev.spacepost/mcp · v0.2.2

Send email and manage domains, contacts and webhooks on SpacePost, the Resend-compatible email API.

Connect Remote server

Terminal
claude mcp add --transport http mcp https://api.spacepost.dev/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://api.spacepost.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://api.spacepost.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://api.spacepost.dev/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 46 found in our last check

  • list_emails

    List emails. Returns sent and scheduled emails, newest first, without bodies. Requires a `full_access` API key. API: `GET /emails` (operationId `listEmails`, Emails).

  • send_email

    Send an email. Validates and queues one email. Each recipient counts towards your quota. Use `scheduled_at` to send later (up to 30 days ahead). Pass `tenant_id` to send on behalf of a tenant (not needed when the `from` domain belongs to one). Fails with `422` if `tenant_id` con…

  • send_batch_emails

    Send batch emails. Sends up to 100 emails in one call. All-or-nothing, if any email is invalid none are sent. Attachments, `scheduled_at` and a per-email `tenant_id` and a per-email `tracking` override are supported; the paused-tenant and tenant-cap errors apply to the whole bat…

  • get_email

    Retrieve an email. Requires a `full_access` API key. API: `GET /emails/{id}` (operationId `getEmail`, Emails).

  • update_email

    Reschedule an email. Changes `scheduled_at` of an email that is still `scheduled`. Requires a `full_access` API key. API: `PATCH /emails/{id}` (operationId `updateEmail`, Emails).

  • cancel_email

    Cancel a scheduled email. Requires a `full_access` API key. API: `POST /emails/{id}/cancel` (operationId `cancelEmail`, Emails).

  • list_domains

    List domains. Requires a `full_access` API key. API: `GET /domains` (operationId `listDomains`, Domains).

  • create_domain

    Create a domain. Registers a domain and returns the DNS records to add (three DKIM CNAMEs, plus MX and SPF on the MAIL FROM subdomain). Domain names are globally unique. The number of domains is limited by your plan (Free 3, Pro 10, Scale 1,000). The response lists the DNS recor…

  • get_domain

    Retrieve a domain. Requires a `full_access` API key. API: `GET /domains/{id}` (operationId `getDomain`, Domains).

  • update_domain

    Update a domain. Toggles open and click tracking. Requires a `full_access` API key. API: `PATCH /domains/{id}` (operationId `updateDomain`, Domains).

  • delete_domain

    Delete a domain. Requires a `full_access` API key. API: `DELETE /domains/{id}` (operationId `deleteDomain`, Domains).

  • verify_domain

    Verify a domain. Re-checks DNS now. Retrieve the domain afterwards to read the new `status` and per-record statuses. Requires a `full_access` API key. API: `POST /domains/{id}/verify` (operationId `verifyDomain`, Domains).

  • list_api_keys

    List API keys. Requires a `full_access` API key. API: `GET /api-keys` (operationId `listApiKeys`, API Keys).

  • create_api_key

    Create an API key. The `token` is returned only in this response. Requires a `full_access` API key. API: `POST /api-keys` (operationId `createApiKey`, API Keys).

  • delete_api_key

    Delete an API key. The key stops working immediately. The response body is an empty object. Requires a `full_access` API key. API: `DELETE /api-keys/{id}` (operationId `deleteApiKey`, API Keys).

  • list_webhooks

    List webhooks. Requires a `full_access` API key. API: `GET /webhooks` (operationId `listWebhooks`, Webhooks).

  • create_webhook

    Create a webhook. In production the endpoint must use https and resolve to a public address. Requires a `full_access` API key. API: `POST /webhooks` (operationId `createWebhook`, Webhooks).

  • get_webhook

    Retrieve a webhook. Requires a `full_access` API key. API: `GET /webhooks/{id}` (operationId `getWebhook`, Webhooks).

  • update_webhook

    Update a webhook. Requires a `full_access` API key. API: `PATCH /webhooks/{id}` (operationId `updateWebhook`, Webhooks).

  • delete_webhook

    Delete a webhook. Requires a `full_access` API key. API: `DELETE /webhooks/{id}` (operationId `deleteWebhook`, Webhooks).

  • list_audiences

    List audiences. Requires a `full_access` API key. API: `GET /audiences` (operationId `listAudiences`, Audiences).

  • create_audience

    Create an audience. Requires a `full_access` API key. API: `POST /audiences` (operationId `createAudience`, Audiences).

  • get_audience

    Retrieve an audience. Requires a `full_access` API key. API: `GET /audiences/{id}` (operationId `getAudience`, Audiences).

  • delete_audience

    Delete an audience. Also deletes its contacts. Requires a `full_access` API key. API: `DELETE /audiences/{id}` (operationId `deleteAudience`, Audiences).

  • list_contacts

    List contacts. Requires a `full_access` API key. API: `GET /audiences/{audienceId}/contacts` (operationId `listContacts`, Contacts).

  • create_contact

    Create a contact. Emails are lower-cased. An address can only appear once per audience. Requires a `full_access` API key. API: `POST /audiences/{audienceId}/contacts` (operationId `createContact`, Contacts).

  • get_contact

    Retrieve a contact. Requires a `full_access` API key. API: `GET /audiences/{audienceId}/contacts/{idOrEmail}` (operationId `getContact`, Contacts).

  • update_contact

    Update a contact. Requires a `full_access` API key. API: `PATCH /audiences/{audienceId}/contacts/{idOrEmail}` (operationId `updateContact`, Contacts).

  • delete_contact

    Delete a contact. Requires a `full_access` API key. API: `DELETE /audiences/{audienceId}/contacts/{idOrEmail}` (operationId `deleteContact`, Contacts).

  • list_broadcasts

    List broadcasts. Requires a `full_access` API key. API: `GET /broadcasts` (operationId `listBroadcasts`, Broadcasts).

  • create_broadcast

    Create a broadcast. Creates a draft. The `from` address must belong to a verified domain of your team and `audience_id` to one of your audiences. Requires a `full_access` API key. API: `POST /broadcasts` (operationId `createBroadcast`, Broadcasts).

  • get_broadcast

    Retrieve a broadcast. Requires a `full_access` API key. API: `GET /broadcasts/{id}` (operationId `getBroadcast`, Broadcasts).

  • update_broadcast

    Update a broadcast. Only drafts can be updated. Request body: Any field of the create request; only drafts can be updated. Requires a `full_access` API key. API: `PATCH /broadcasts/{id}` (operationId `updateBroadcast`, Broadcasts).

  • delete_broadcast

    Delete a broadcast. Only drafts and broadcasts that are scheduled for the future can be deleted. Requires a `full_access` API key. API: `DELETE /broadcasts/{id}` (operationId `deleteBroadcast`, Broadcasts).

  • get_broadcast_readiness

    Check a broadcast before sending. SpacePost extension (not part of Resend). Returns a deliverability checklist: sender domain and DMARC, subject, Gmail clipping (HTML over 102 KB), image-heavy bodies, link shorteners, spam phrases, unsubscribe link and audience quality. `ready`…

  • send_broadcast

    Send or schedule a broadcast. Queues a draft for delivery to every subscribed contact of its audience. The broadcast needs `html` or `text`. Without `scheduled_at` it starts immediately; the status becomes `queued`, then `sending` and `sent`. Sends to every subscribed contact in…

  • list_suppressions

    List suppressions. Requires a `full_access` API key. API: `GET /suppressions` (operationId `listSuppressions`, Suppressions).

  • create_suppression

    Add a suppression. Adds the address with reason `manual`. Adding an address that is already suppressed returns the existing entry. Requires a `full_access` API key. API: `POST /suppressions` (operationId `createSuppression`, Suppressions).

  • delete_suppression

    Remove a suppression. Requires a `full_access` API key. API: `DELETE /suppressions/{idOrEmail}` (operationId `deleteSuppression`, Suppressions).

  • list_tenants

    List tenants. Requires a `full_access` API key. API: `GET /tenants` (operationId `listTenants`, Tenants).

  • create_tenant

    Create a tenant. Creates one of your customers, with its own SES tenant (isolated reputation). `external_id` must be unique within your account. Requires a `full_access` API key. API: `POST /tenants` (operationId `createTenant`, Tenants).

  • get_tenant

    Retrieve a tenant. Requires a `full_access` API key. API: `GET /tenants/{ref}` (operationId `getTenant`, Tenants).

  • update_tenant

    Update a tenant. Changes the name, `external_id` or `daily_limit` (`null` removes the cap). Requires a `full_access` API key. API: `PATCH /tenants/{ref}` (operationId `updateTenant`, Tenants).

  • delete_tenant

    Delete a tenant. Fails with `422` while the tenant still has domains; delete those first. Requires a `full_access` API key. API: `DELETE /tenants/{ref}` (operationId `deleteTenant`, Tenants).

  • pause_tenant

    Pause a tenant. Stops all sending for the tenant. Sends return `403 sending_paused`; emails already queued fail. The body is optional. Requires a `full_access` API key. API: `POST /tenants/{ref}/pause` (operationId `pauseTenant`, Tenants).

  • unpause_tenant

    Unpause a tenant. Resumes sending. A tenant that was paused by the reputation guard (bounce or complaint rate) can only be unpaused by a `trusted` or `internal` team; others get `403 invalid_access` and should contact support. Requires a `full_access` API key. API: `POST /tenant…

Headers

NameDescription
Authorization
Required, secret
SpacePost API key (sp_live_...), created in the SpacePost dashboard under API keys. A sending_access key limits the server to sending.

Details

Endpointhttps://api.spacepost.dev/mcp (Streamable HTTP)
Package@spacepost/[email protected] (NPM, stdio)
First published4 Nov 2026
Last updated4 Nov 2026
Registry namedev.spacepost/mcp

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