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Add Allo as a custom connector and use it inside any Claude.ai conversation.

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How it works

Think of an MCP as a security badge you hand to Claude. Claude can walk into the rooms you authorized (calls, contacts, SMS, analytics), but never the rooms you didn’t. You can revoke the badge any time from your Claude or Allo settings. The setup takes around 60 seconds. No code, no API key.

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How to connect

1

Open Claude → Connectors

Go to claude.ai/customize/connectors, click +, and pick Add custom connector. You’re telling Claude you want to introduce it to a new tool.
Add a custom connector in Claude
2

Add Allo

In the modal, paste the values below. Open Advanced to add the Client ID. Leave Client Secret empty. These three values are Allo’s address and ID card. Just copy-paste, you don’t need to understand what they mean.
  • Name: Allo
  • Remote MCP server URL: https://mcp.withallo.com/mcp
  • Advanced → Client ID: b82803e6-31d4-47e0-9d7e-db9826ee451b
Custom connector modal
3

Sign in and authorize

Click Add, then Connect. Sign in to Allo, review the permissions, and Authorize. Allo never sees your Claude password, Claude never sees your Allo password.
Allo consent screen
4

Try it

Allo is now in your connectors. Open any Claude conversation and pick one of the prompts below to get started.

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Try one of these

Copy any prompt below and paste it into Claude. Adjust the names and dates to match your team.
https://mintcdn.com/themobilefirstcompany/s2OJzMorfx_W0cDB/media/allo-icons/Phone_call.svg?fit=max&auto=format&n=s2OJzMorfx_W0cDB&q=85&s=fbe6646ec42f31043b7aad5b7bd71753

Sales rep

Show me contacts I called more than twice but never closed. Suggest a follow-up message
https://mintcdn.com/themobilefirstcompany/X34Sl_yKNSJAcQdq/media/allo-icons/ChartLine.svg?fit=max&auto=format&n=X34Sl_yKNSJAcQdq&q=85&s=723b69d12615d38809472823cc07510a

Manager

Compare my reps' connect rates this week vs last. Who's slipping?
https://mintcdn.com/themobilefirstcompany/RgYoir1kmfhXIZ06/media/allo-icons/Crown.svg?fit=max&auto=format&n=RgYoir1kmfhXIZ06&q=85&s=46dba1ede2ccc8e7e9ec026b3f0a3548

Founder

Pull all calls tagged "enterprise" from the last 30 days. Summarise the top asks
https://mintcdn.com/themobilefirstcompany/s2OJzMorfx_W0cDB/media/allo-icons/ListChecks.svg?fit=max&auto=format&n=s2OJzMorfx_W0cDB&q=85&s=5b7388db80589cb52dc02515b48b843e

Ops

List contacts who called 3+ times last week with no owner. Tag them "needs follow-up"

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What you can do

Browse the full tools list →

16 tools to search calls, send SMS, manage contacts, and pull team analytics — full list with required scopes.

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Troubleshooting

A few things to check:
  • You must be a workspace admin in Claude to add a Custom Connector.
  • The Client ID must be exactly b82803e6-31d4-47e0-9d7e-db9826ee451b with no extra spaces.
  • The account you’re signing in with on the Allo consent screen must have an active Allo account.
Reload the Claude conversation. Open the connector status panel in Claude and confirm Allo is listed as connected. If it isn’t, remove the connector and add it again following the steps above.
This is a standard MCP guard rail that Claude shows for any third-party connector — it’s not specific to Allo. It’s safe to proceed and authorize Allo.

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Using Claude Code instead?

Claude Code + API key

For Claude Code, Claude Desktop, Cursor, or any other MCP client. Uses an API key — no admin required.