MCP server

Call Desk

com.modernmustardseed/call-desk

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

US and Canada calling rules: number checks, calling hours, recording consent, AI voice disclosure.

Website

At a glance

Type

MCP server

Publisher

modernmustardseed.com (verified by the MCP Registry)

Status

Working at last check

Tools

5

Token cost

About 1,867 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 call-desk https://mcp.modernmustardseed.com/call-desk

Claude Desktop

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

Codex (config.toml)

[mcp_servers.call-desk]
url = "https://mcp.modernmustardseed.com/call-desk"

Gemini CLI

{"mcpServers":{"call-desk":{"httpUrl":"https://mcp.modernmustardseed.com/call-desk"}}}

Cursor

{"mcpServers":{"call-desk":{"url":"https://mcp.modernmustardseed.com/call-desk"}}}

VS Code

{"servers":{"call-desk":{"type":"http","url":"https://mcp.modernmustardseed.com/call-desk"}}}

Antigravity

agy mcp add call-desk https://mcp.modernmustardseed.com/call-desk

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":"call-desk","server_url":"https://mcp.modernmustardseed.com/call-desk","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"call-desk","server_url":"https://mcp.modernmustardseed.com/call-desk"}

Tools

• ai_voice_disclosure_rules ~334 tokens
  List the laws that require a caller or conversational agent to disclose that it is AI, a bot, or an artificial or prerecorded voice, for a US state, Canadian province or phone number, or for every jurisdiction. Covers the FCC ruling that AI-generated voices are artificial voices under the TCPA (so A
• can_i_call_now ~604 tokens
  Decide whether a call to a phone number, or to someone in a given state or province, is allowed right now or at a given time under calling-hours law: the FCC TCPA rule and FTC Telemarketing Sales Rule (8 a.m. to 9 p.m. called party's local time), every stricter state rule we verified (for example Fl
• check_phone_number ~345 tokens
  Check a US, Canadian or other North American (+1) phone number before calling or texting it. Returns whether it can be a working number (N11 codes and unassigned area codes fail; 555-0100 to 0199, reserved for fiction, is flagged as fictional_range and still resolves), the E.164 form, where the area
• list_state_calling_rules ~258 tokens
  Show every calling rule Call Desk holds for one US state, DC, territory or Canadian province: its time zones and area codes, federal and state calling-hours rules with windows, holidays and per-day call caps, recording consent, AI disclosure and automated message rules, each with citation, quote, so
• recording_consent_rules ~326 tokens
  Look up whether a phone call may be recorded with one party's consent or needs every party's consent, for one or more US states, DC or Canadian provinces, by state or by the phone numbers on the call. Returns each jurisdiction's rule (one-party, all-party or mixed, such as Oregon, Connecticut, Nevad

Browse

• Phone calls
• Legal research

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