Koskamo

NumberBroom MCP

A remote MCP server that proxies the NumberBroom REST API, allowing AI agents to verify US phone numbers for line type, carrier, activity score, and TCPA litigator status. It also supports checking credit balances, purchasing credits via Stripe, and scrubbing bulk phone lists for compliance.

Visit NumberBroom

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

NumberBroom MCP logo, by NumberBroomCommunity listingStreamable HTTPOAuth sign-inEndpoint checked 2026-11-07Published by NumberBroom
You need:Create an account and add creditGenerate a key for this clientAdd the server to your client
MCP endpoint (Streamable HTTP)
https://numberbroom.com/mcp
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Verify if a phone number is a live mobile, landline, or VoIP
  • Check if a number is associated with known TCPA litigators
  • Scrub bulk phone lists to remove invalid or high-risk numbers
  • Check account credit balance before running bulk verifications

Source and maintenance

Community listingRegistry 1.0.1
mcp-registry: io.github.cameron-creations/numberbroom-mcp@1.0.1Source repositoryProject website
Maintenance checked

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
227 ms
95th percentile latency
227 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 227 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http numberbroom-mcp https://numberbroom.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add numberbroom-mcp --url https://numberbroom.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable numberbroom-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "numberbroom-mcp": {
      "url": "https://numberbroom.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "numberbroom-mcp": {
      "type": "streamableHttp",
      "url": "https://numberbroom.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start numberbroom-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "numberbroom-mcp": {
      "type": "http",
      "url": "https://numberbroom.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http numberbroom-mcp https://numberbroom.com/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://numberbroom.com/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "numberbroom-mcp": {
      "serverUrl": "https://numberbroom.com/mcp"
    }
  }
}

Let your agent find its tools

Find servers like NumberBroom MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 1,245