# JustCall

> Use this tool when you need to manage and streamline call center operations, track performance, and automate workflows. JustCall solves problems related to call and SMS management, contact organization, and campaign optimization, providing robust analytics and real-time insights. It takes in inputs such as call logs, contact information, and campaign data, and outputs performance metrics, automated workflows, and streamlined outreach capabilities.

Canonical page: https://skillsregistry.net/skills/dev-justcall-mcp  
JSON: https://api.skillsregistry.net/v1/skills/dev-justcall-mcp

## Description

Manage calls, SMS, contacts, numbers, and campaigns from your JustCall workspace. Track agent, account, and dialer performance with robust analytics. Automate workflows with webhooks and streamline outreach with quick updates and real-time insights.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-08-23

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** data-analytics
- **Updated:** 2026-08-23

## Source

- **Source listing:** [Smithery](https://smithery.ai/server/dev/justcall-mcp)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "dev-justcall-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/dev-justcall-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/dev-justcall-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt