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Trestle MCP by usefulapi

MCP server · hosted · v1.0.1 · io.usefulapi/trestle
Online · tested 4h agoNEW · 5h agoNew version 3h agoSeen in the registry 2h ago

Validate phone numbers, line types and TCPA litigator risk in Trestle.

Website ↗Source code ↗How to connect ↓

What it does

Trestle MCP by usefulapi is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES
Local installNO
Version1.0.1
PriceNot in the registry
First seen07 Nov 2026
Last checked2h ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 4h ago (live check)

Hosted endpoint

  • https://trestle.usefulapi.io/mcp streamable-http

In Claude Code: claude mcp add --transport http trestle-mcp-by-usefulapi https://trestle.usefulapi.io/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

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

Live check

Electra Index connected to the hosted endpoint 4h ago

ONLINE Trestle MCP by usefulapi answered an MCP connection on 07 Nov 2026 and introduced itself as trestle-mcp 1.0.0 (MCP protocol 2025-06-18).

2 tools offered to AI assistants

  • trestle_validate_phone · Check a phone number with Trestle Phone Validation. Returns whether it is valid, its country and carrier, its line type (Mobile, Landline, FixedVOIP, NonFixedVOIP, TollFree and so on), whether it is prepaid, and a 0-100 activity score (70 o
  • trestle_check_tcpa_litigator · Validate a US phone number and run Trestle's TCPA litigator check. Returns add_ons.litigator_checks['phone.is_litigator_risk']: true when the subscriber is a known TCPA litigator, null when the check could not finish. US numbers only. The c

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Version1.0.1DECLAREDSRC-001 Official MCP Registry2h ago
Hosted endpointhttps://trestle.usefulapi.io/mcpDECLAREDSRC-001 Official MCP Registry2h ago
Local install (package)noDECLAREDSRC-001 Official MCP Registry2h ago
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registry2h ago
Websitehttps://usefulapi.io/trestle/DECLAREDSRC-001 Official MCP Registry2h ago
Repositoryhttps://github.com/m190/usefulapi-mcpDECLAREDSRC-001 Official MCP Registry2h ago
Registry statusactiveDECLAREDSRC-001 Official MCP Registry2h ago
MCP serveryesDECLAREDSRC-001 Official MCP Registry2h ago

Change history

  • VERSION07 Nov 2026
    1.0.0 → 1.0.1
  • NEW07 Nov 2026
    first seen in the index

Is this page accurate?

Flag it and our robot re-checks the official source. Reports never change a score.

Do you run Trestle MCP by usefulapi? Know when it stops answering

For publishers · optional

Its hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.

Monitor Trestle MCP by usefulapiLaunch offer $39.99 once, for life instead of $9.99/month · All plans

Monitoring never changes a score or a rank.

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Questions about Trestle MCP by usefulapi

How do I connect Trestle MCP by usefulapi?

Use the hosted endpoint https://trestle.usefulapi.io/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does Trestle MCP by usefulapi offer?

When Electra Index connected on 07 Nov 2026, it listed 2 tools: trestle_validate_phone, trestle_check_tcpa_litigator. The full list is in "Live check" above.

Is Trestle MCP by usefulapi online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 4h ago.