MCP server

SlickText MCP by usefulapi

io.usefulapi/slicktext

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Read SlickText contacts, lists, campaigns, analytics and inbox; create and update contacts.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

24

Token cost

About 6,092 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http slicktext https://slicktext.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.slicktext]
url = "https://slicktext.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"slicktext":{"httpUrl":"https://slicktext.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"slicktext":{"url":"https://slicktext.usefulapi.io/mcp"}}}

VS Code

{"servers":{"slicktext":{"type":"http","url":"https://slicktext.usefulapi.io/mcp"}}}

Antigravity

agy mcp add slicktext https://slicktext.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"slicktext","server_url":"https://slicktext.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"slicktext","server_url":"https://slicktext.usefulapi.io/mcp"}

Tools

• slicktext_add_contact_to_lists ~276 tokens
  WRITE: add one contact to one or more contact lists (it does not change the contact's opt-in status; lists are also campaign audiences). Returns SlickText's count of memberships added. WARNING: SlickText workflows can trigger on this event (Contact Created / Contact Field Changed / Contact Added to
• slicktext_create_contact ~716 tokens
  WRITE: add a contact to the brand. By default the contact is created as 'not subscribed' and gets no text. Set opt_in_status='subscribed' ONLY for people who gave explicit permission to receive texts (SlickText has a zero-tolerance policy for unsolicited texts). force_double_opt_in=true makes SlickT
• slicktext_find_contact ~265 tokens
  Find contacts by mobile number or email address (exact match). A 10-digit US number is matched as +1XXXXXXXXXX, the way SlickText stores numbers. Use it before creating a contact to avoid duplicates. GET /brands/{brand_id}/contacts?mobile_number=… or ?email=….
• slicktext_get_analytics ~520 tokens
  Brand-level analytics. metric: contacts (current totals), contact_growth, contact_add_delete_events, opt_in_status_events, campaigns, messages (messages sent), message_credits, inbox_users (assignments, closures, response times per user), inbox_tags. Optional group (allowed per metric — contacts: so
• slicktext_get_brand ~114 tokens
  Get the SlickText brand this API key belongs to: brand_id, name, website, sending-number registration details, opt-in / double-opt-in messages, inbox settings and the message credit limit. Every other tool works within this brand. GET /brands.
• slicktext_get_campaign ~127 tokens
  Get one campaign by id: body, media_url, status, audience_size, schedule and completion. GET /brands/{brand_id}/campaigns/{id}.
• slicktext_get_campaign_stats ~194 tokens
  Performance of one campaign: contacts reached, clicks, click_rate, unique clicks, unsubscribes, unsubscribe_rate, orders, revenue, average order value, revenue per message, plus the campaign, its audiences and links. GET /brands/{brand_id}/analytics/campaigns/{id}.
• slicktext_get_contact ~138 tokens
  Get one contact by id: name, mobile_number, email, birthdate, address, opt_in_status, source, custom_fields, time zone and dates. GET /brands/{brand_id}/contacts/{id}.
• slicktext_get_conversation ~172 tokens
  Get the content of one inbox conversation by its id (the _id from slicktext_list_conversations). For the message-by-message history also call slicktext_list_messages with source=InboxThread and source_id=<conversation id>. GET /brands/{brand_id}/inbox-threads/{id}/content.
• slicktext_get_credit_usage ~99 tokens
  Message credits for the current billing period: total_credits (subscription + rollover + purchased), credits_used, credits_available and the credit limit. GET /brands/{brand_id}/usage.
• slicktext_get_keyword ~127 tokens
  Get one keyword by id, including the contact_list_ids that people who text it are added to. GET /brands/{brand_id}/keywords/{id}.
• slicktext_get_list ~141 tokens
  Get one contact list by id plus its contact count (all statuses: subscribed, not subscribed, unsubscribed, blocked). GET /brands/{brand_id}/lists/{id} and /lists/{id}/contacts/count.
• slicktext_list_campaigns ~216 tokens
  List the brand's SMS/MMS campaigns: name, body, status (e.g. draft, scheduled, queued, sent), scheduled/started/finished times, completion_percentage and audience (lists/segments and size). GET /brands/{brand_id}/campaigns.
• slicktext_list_contacts ~391 tokens
  List the brand's contacts (subscribers) with name, mobile_number, email, opt_in_status, source, custom_fields and dates. Filters are exact, case-sensitive matches (SlickText has no partial search). Paged: returns count, has_more and next_offset. GET /brands/{brand_id}/contacts.
• slicktext_list_conversations ~237 tokens
  List two-way inbox conversations: status (open, pending, closed), the contact, the last message and its direction/time, assigned user, tags and unread state. GET /brands/{brand_id}/inbox-threads.
• slicktext_list_custom_fields ~169 tokens
  List the brand's contact custom fields: name, internal_name (the key used in contact filters and writes), data_type and description. GET /brands/{brand_id}/custom-fields.
• slicktext_list_inbox_tags ~155 tokens
  List the inbox tags used to label conversations (inbox_tag_id, name, color, description). GET /brands/{brand_id}/inbox-tags.
• slicktext_list_keywords ~190 tokens
  List the brand's text-to-join keywords (word, description, active, auto-response and opt-in messages, double opt-in). GET /brands/{brand_id}/keywords.
• slicktext_list_list_contacts ~235 tokens
  List the contacts in one contact list (paged). GET /brands/{brand_id}/lists/{id}/contacts.
• slicktext_list_lists ~183 tokens
  List the brand's contact lists (contact_list_id, name, description, created). Optional exact name filter. GET /brands/{brand_id}/lists.
• slicktext_list_messages ~433 tokens
  List individual SMS/MMS messages sent and received by the brand: to, from, body, direction, source (Campaign, Keyword, InboxThread, API …), status (delivered, undelivered …), credits and the contact. Filters are exact matches; use to/from with a phone number to read one contact's history, or source=
• slicktext_list_segment_contacts ~197 tokens
  List the contacts that currently match one segment (paged). GET /brands/{brand_id}/segments/{id}/contacts.
• slicktext_list_segments ~153 tokens
  List the brand's segments (rule-based contact groups: segment_id, name, description). GET /brands/{brand_id}/segments.
• slicktext_update_contact ~644 tokens
  WRITE: change fields of an existing contact (only the fields you pass are sent). opt_in_status can mark a contact unsubscribed or blocked; set it to 'subscribed' ONLY when the person explicitly agreed to receive texts. WARNING: SlickText workflows can trigger on this event (Contact Created / Contact

Browse

• Email
• SMS and text messages
• Email marketing

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