Integration · Company data
Connect Claude & ChatGPT to Trestle
Ask your AI whether a phone number is valid, who is calling from an unknown number, or whether a new lead's name and phone belong together. It uses Trestle to validate phones and addresses, look up caller names, run reverse phone and reverse address lookups and verify a lead's contact details.
Free plan, no credit card. Takes about a minute.
Try asking
“Is 206-555-0142 a real, active number?”
The AI validates the number and returns whether it is valid and active, with its line type and carrier.
“Who is calling from 312-555-0199?”
It runs a caller ID lookup and returns the owner's name, line type and carrier details.
“Check this lead: Sarah Lee, 415-555-0123, [email protected].”
It verifies that the name, phone and email belong together and returns a score for the contact details.
What your AI can do
Phone checks
Validate a phone number, see line type and carrier, get the caller-ID name and identify who is calling.
Reverse lookups
Find the person or business behind a phone number, or the current residents of a street address.
Lead and address verification
Score whether a lead's name, phone, email, address and IP belong together, and check that an address is valid and deliverable.
“Is 100 Main St, Springfield, IL 62701 a deliverable address?”
It checks whether the address is valid and deliverable and returns its details.
“Who lives at this address?”
It runs a reverse address lookup and returns the current residents and details of the address.
“What caller-ID name shows for this number?”
It returns the CNAM name registered to the phone number.
7 tools for Trestle
These tools are switched on when you connect. You can switch any of them off, or require your approval before it runs.
lookup_caller_idIdentify a caller from their phone number, returning the owner's name, line type and carrier details. Needs `phone`; optional name, country and postal-code hints.lookup_caller_nameGet the caller-ID name (CNAM) registered to a phone number. Needs `phone`; optional `phone_country_hint`.reverse_address_lookupLook up the current residents and details of a street address. Pass street line 1, city, state code, postal code and country code.reverse_phone_lookupLook up who owns a phone number: the person or business name, addresses and line details. Needs `phone`; optional name, country and postal-code hints improve ranking.validate_addressCheck whether a street address is valid and deliverable and get its details. Pass street line 1, city, state code, postal code and country code.validate_phoneCheck whether a phone number is valid and active and get its line type and carrier. Needs `phone`; optional `add_ons` may carry extra charges.verify_contactScore and verify a lead's contact details by checking that the `name` and `phone` (both required) plus optional email, address and IP belong together. Optional `add_ons` carry extra charges.
Set up in three steps
- 1
Pick the app
Create a free PipMCP account and choose Trestle from the app list.
- 2
Paste your key
Paste your Trestle API key. Sign up or sign in at the Trestle developer portal (portal.trestleiq.com) and copy your API key. Each API you want to use, such as Real Contact, Caller ID or Reverse Phone, must be enabled on your plan.
- 3
Add the link to your AI
You get a personal MCP link. Add it to Claude, ChatGPT or Cursor:
- Click your name, then Settings › Connectors › Add custom connector.
- Paste your link as the Remote MCP server URL.
- Switch it on from the + menu in a chat.
Questions
What can the AI do in Trestle?
The AI can validate phone numbers and addresses, look up caller ID and caller-ID names, run reverse phone and reverse address lookups and verify that a lead's contact details belong together. All of these tools are lookups. They do not change anything in your Trestle account.
Does the AI see my Trestle API key?
No. Your Trestle API key is encrypted at rest and never shown to the AI. After you save it, it is not shown again, not even to you. The AI only sees the results of the tools it calls.
Can I control what the AI is allowed to do?
Yes. You choose which tools are switched on, for example only phone validation. Some tools accept optional add-ons that carry extra charges with Trestle, and any tool can be set to require your approval before it runs. Every tool call is logged.
Does it work with ChatGPT?
Yes. In ChatGPT go to Settings › Apps & Connectors › Advanced and turn on Developer mode, then add your PipMCP link. Developer mode needs a paid ChatGPT plan: Plus, Pro, Business or Enterprise. The same link also works in Claude (Settings › Connectors › Add custom connector), Cursor and other MCP clients.
What does it cost?
PipMCP has a free plan with no credit card required. Paid plans bill per completed task. You also need your own Trestle account. Anything Trestle charges for lookups is between you and Trestle.
Why does a lookup say the API is not available?
Trestle enables each API separately on your plan. If Real Contact, Caller ID, Reverse Phone or another API is not enabled for your key, that lookup will fail. Enable it in the Trestle developer portal and try again.
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