INDIVIDUAL MCP TOOL

slicktext_create_contact

WRITE: add a contact to the brand.

usefulapi.ionone authenticationAvailability not checked

LIVE ENDPOINT

https://slicktext.usefulapi.io/mcp

No auth detected

Connect to this endpoint to inspect the live schema for slicktext_create_contact and invoke it with your own arguments.

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Potential side effects detected · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

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

Claude Code

.mcp.json

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

Claude Desktop

Settings → Connectors → Add custom connector

Name: slicktext-mcp
Remote MCP URL: https://slicktext.usefulapi.io/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

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

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

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

Generic MCP

Client-specific MCP configuration

{
  "name": "slicktext-mcp",
  "transport": "streamable-http",
  "url": "https://slicktext.usefulapi.io/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

slicktext_get_brand — 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.
slicktext_get_credit_usage — Message credits for the current billing period: total_credits (subscription + rollover + purchased), credits_used, credits_available and the credit limit.
slicktext_list_contacts — List the brand's contacts (subscribers) with name, mobile_number, email, opt_in_status, source, custom_fields and dates.
slicktext_find_contact — Find contacts by mobile number or email address (exact match).
slicktext_get_contact — Get one contact by id: name, mobile_number, email, birthdate, address, opt_in_status, source, custom_fields, time zone and dates.
slicktext_list_custom_fields — List the brand's contact custom fields: name, internal_name (the key used in contact filters and writes), data_type and description.
slicktext_list_lists — List the brand's contact lists (contact_list_id, name, description, created).
slicktext_get_list — Get one contact list by id plus its contact count (all statuses: subscribed, not subscribed, unsubscribed, blocked).