usefulapi

SimpleTexting MCP server. Send SMS/MMS, manage contacts, and read campaigns, messages and media on SimpleTexting.

Claude

  1. Open Settings → Connectors → Add custom connector
  2. Paste this URL:
    https://simpletexting.usefulapi.io/mcp
  3. Authenticate with SimpleTexting when prompted

Cursor · VS Code · Windsurf · Cline

Add to your MCP config, then reload & authorize:

{
  "mcpServers": {
    "simpletexting": {
      "url": "https://simpletexting.usefulapi.io/mcp"
    }
  }
}
live13 toolsFree 100 tool calls / monthPro $9/mo · $90/yr

Tools 13

ToolTypeWhat it does
simpletexting_list_contactsread
List contacts
List the account's contacts as a paged collection, optionally filtered by a `since` cursor and sort `direction`. SimpleTexting REST: GET /contacts.
simpletexting_get_contactread
Get contact
Get a single contact by its id or phone number, including profile fields, list memberships, and custom fields. SimpleTexting REST: GET /contacts/{contactIdOrNumber}.
simpletexting_list_campaignsread
List campaigns
List the account's campaigns as a paged collection, optionally filtered by sending number, state, list, and start-date range. Note: only immediate campaigns are returned — scheduled/recurring campaigns are NOT included. SimpleTexting REST: GET /campaigns.
simpletexting_get_campaignread
Get campaign
Get a single campaign by its id, including its message, recipients, and status. SimpleTexting REST: GET /campaigns/{id}.
simpletexting_list_messagesread
List messages
List the account's messages as a paged collection (inbound + outbound message history). SimpleTexting REST: GET /messages.
simpletexting_get_messageread
Get message
Get a single message by its id, including its text, direction, status, and timestamps. SimpleTexting REST: GET /messages/{id}.
simpletexting_list_mediaread
List media
List the account's media items (MMS assets) as a paged collection. SimpleTexting REST: GET /media.
simpletexting_get_mediaread
Get media
Get a single media item (MMS asset) by its id, including its URL and metadata. SimpleTexting REST: GET /media/{id}.
simpletexting_evaluate_messageread
Evaluate message
DRY-RUN a message body to compute its segment count, whether it sends as SMS or MMS, and its estimated cost — WITHOUT sending anything. Safe and read-only. SimpleTexting REST: POST /messages/evaluate with JSON body {text, mode?}.
simpletexting_send_messagewrite
Send message
SENDS A REAL SMS or MMS to a recipient — this MODIFIES live data and consumes message credits. Provide only the optional fields you need. SimpleTexting REST: POST /messages with JSON body {contactPhone, text, accountPhone?, mode?, subject?, fallbackText?, mediaItems?}.
simpletexting_update_contactwrite
Update contact
UPDATES a live contact — its profile fields, list memberships, and custom fields. This MODIFIES live data. Provide only the fields you want to change. SimpleTexting REST: PUT /contacts/{contactIdOrNumber}.
simpletexting_usage_statusmeta
Usage status (free-tier meter)
Report the caller's current free-tier usage this month: calls used, monthly limit, remaining, and whether the cap is reached. Read-only; does not count against the meter.
simpletexting_upgrademeta
Upgrade to Pro (unlimited)
Subscribe to the Pro plan for UNLIMITED SimpleTexting tool calls (the free tier caps monthly usage). Choose monthly ($9/month) or yearly ($90/year — 2 months free) billing. Returns a Stripe Checkout link to open in your browser; after payment your account upgrades automatically. Read-only; does not count against the meter.

Pricing

PlanPriceLimit
Free$0100 tool calls / month
Proper user$9/mo · $90/yrUnlimited

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.