CallHippo MCP by usefulapi MCP Server

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answering

CallHippo MCP by usefulapi is answering right now. Last checked 13 min ago. It exposes 15 tools. Last commit 11 Nov 2026.

Read users, contacts and call logs; manage contacts and Do Not Call numbers in CallHippo.

Uptime history 5 hours of history

5 hours agonow

100.0%

Uptime 24h

18 of 18 checks

Tools

read from the server

238 ms

Response time

average over 24h

Stars

last commit 11 Nov 2026

Nothing serious here today

Today is the operative word: we check CallHippo MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add callhippo --transport http https://callhippo.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://callhippo.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.callhippo]
url = "https://callhippo.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "callhippo": {
      "url": "https://callhippo.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "callhippo": {
      "type": "http",
      "url": "https://callhippo.usefulapi.io/mcp"
    }
  }
}

Available tools 15

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

callhippo

callhippo_add_contact

Create a contact with a phone number, first name, last name and email. Writes to the account; it creates a new record each time it runs. CallHippo API: POST /contact/add.

callhippo_add_dnc_number

Add a phone number to the account's Do Not Call list, for incoming calls, outgoing calls, or both. Adding a number blocks calls to or from it. CallHippo API: POST /dnc/addnumber.

callhippo_delete_contact

DELETES a contact from CallHippo. Permanent for the contact record. Call only when the user asked to delete this exact contact; confirm must be true. CallHippo API: DELETE /contact/{contactId}.

callhippo_get_campaign

Get one power-dialer campaign by id, including its settings. CallHippo API: GET /campaign/{campaignId}.

callhippo_get_user

Get one user's details by user id. CallHippo API: GET /user/details/{userid}.

callhippo_list_call_logs

List call logs (the activity feed) for a date range, with an offset (skip) and a page size (limit). Optionally filter by CRM record id or call SID. Read only. CallHippo API: POST /activityfeed (the vendor takes this read as POST).

callhippo_list_campaigns

List power-dialer campaigns, with pagination and an optional campaign type filter. CallHippo API: GET /campaign/list.

callhippo_list_contacts

List the contacts that belong to one user, with pagination. Optionally only those updated since a date. CallHippo API: GET /contact/{userId}.

callhippo_list_sms_logs

List SMS logs for a date range, with an offset (skip) and a page size (limit). Optionally filter by SMS id, sender or recipient. Read only. CallHippo API: POST /sms/logs (the vendor takes this read as POST).

callhippo_list_teams

List the teams in the account, with pagination. CallHippo API: GET /team/list.

callhippo_list_users

List the users (agents) in the CallHippo account, with their email, status and team. Good first call to find a user id. CallHippo API: GET /user/list.

callhippo_make_call

PLACES A REAL PHONE CALL from an agent's number to a phone number, and can link the call to a CRM record. Costs money and rings a real phone. Call only when the user asked for this exact call; confirm must be true. CallHippo API: POST /call.

callhippo_remove_dnc_number

Remove a phone number from the Do Not Call list, so calls to and from it are allowed again. Removing a number can break a customer's opt-out. Call only when the user asked for this exact number; confirm must be true. CallHippo API: POST /dnc/deletenumber.

callhippo_set_campaign_status

START or STOP a power-dialer campaign. A started campaign places real calls to its contacts. Call only when the user asked for this exact change; confirm must be true. CallHippo API: PATCH /campaign/{campaignId}/{action}.

callhippo_update_contact

Replace a contact's phone number, first name, last name and email. Send all four values, the current ones included. CallHippo API: PUT /contact/edit/{contactId}.

Endpoints

URL	Transport	State	Latency	Checked
https://callhippo.usefulapi.io/mcp	streamable-http	answering	236 ms	13 min ago

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CallHippo MCP by usefulapi — questions

Answers built from our own checks of this server.

What can CallHippo MCP by usefulapi do?

It exposes 15 tools, read directly from the server on our last check. Among them: callhippo_add_contact, callhippo_add_dnc_number, callhippo_delete_contact, callhippo_get_campaign, callhippo_get_user, callhippo_list_call_logs and 9 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is CallHippo MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 18 of 18 checks got a reply (100.0%), average response time 238 ms. The bar chart above shows every period we have measured.

How do I connect CallHippo MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does CallHippo MCP by usefulapi need an API key?

No. CallHippo MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 15 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is CallHippo MCP by usefulapi?

It answers our handshake in 238 ms on average, which is faster than 56% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is CallHippo MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at callhippo.usefulapi.io, which runs on its operator's own terms.