Integration guide · AI assistant
Phone validation for Claude
Claude is an AI assistant made by Anthropic. TrueSearch runs its own MCP server, which you add to Claude yourself as a custom connector; it is not a Claude app or partnership. You can check the phone numbers you work with in Claude, using the TrueSearch MCP connector. Every number comes back marked valid or dead, mobile, landline or VoIP, with carrier.
Option 1: add the TrueSearch connector to Claude
In Claude, add a custom connector (on plans that support custom connectors) and paste your TrueSearch MCP URL. Then attach or paste a list and ask Claude to clean it. Claude calls the clean_phone_list tool, up to 1,000 numbers per call.
https://truesearch.app/api/mcp?key=ts_live_…
Your key (ts_live_…) is shown after you start a plan. Each number checked uses one credit, the same as the API.
What TrueSearch for Business does
| Valid or dead (disconnected / not assigned) | Yes, every number |
| Line type: mobile, landline, VoIP, toll-free | Yes, every number |
| Carrier name | Yes, every number |
| Bulk upload (CSV or Excel) | Yes, results in about 30 seconds per 1,000 numbers |
| REST API | Yes (JSON, one API key) |
| Claude / ChatGPT / Cursor connector (MCP) | Yes |
| National or state Do Not Call check | No, not yet |
| Known TCPA litigator check | No, not yet |
| FCC Reassigned Numbers Database check | No |
| Starting price | $97/month for 5,000 numbers, 7-day free trial |
| One-off list | $20 per 1,000 numbers, no subscription |
Upload a CSV or Excel file. Get back every number marked valid or dead, mobile, landline or VoIP, with carrier.
Starter: $97/month for 5,000 numbers after the 7-day trial. Cancel anytime.
Questions
Is there a native TrueSearch app for Claude?
No. TrueSearch is not affiliated with Claude. TrueSearch runs a standard MCP server, and you add it to Claude yourself as a custom connector, as described on this page.
What comes back for each number?
Whether the number is valid, its line type (mobile, landline, VoIP or toll-free), its carrier, and keep: true when the number is valid and mobile. Rows that are not kept include the reason, such as landline, voip or invalid.
Does TrueSearch check Do Not Call or litigator lists?
No, not yet. Run DNC and litigator checks separately where they apply to your calls and texts.
Can I try it first?
Yes. The Starter plan has a 7-day free trial that covers 250 numbers. After the trial it is $97/month for 5,000 numbers, cancel anytime. A one-off list is $20 per 1,000 numbers.
Other integration guides
Claude is a trademark of its owner, used here only to identify the product. TrueSearch is not affiliated with, endorsed by or a partner of Claude. This guide is general information, not legal advice. TrueSearch for Business checks validity, line type and carrier from licensed telecom data. It does not check the National Do Not Call Registry, state DNC lists or the FCC Reassigned Numbers Database. Not a consumer reporting agency; not for FCRA purposes.