See if a phone number shows Spam Risk or Scam Likely on AT&T, Verizon and T-Mobile real phones.
Connect Remote server
claude mcp add --transport http spam-i-am https://ismynumberspam.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"spam-i-am": {
"url": "https://ismynumberspam.com/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"spam-i-am": {
"type": "http",
"url": "https://ismynumberspam.com/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://ismynumberspam.com/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 6 found in our last check
start_checkStart a check of what AT&T, Verizon and T-Mobile phones show when a number calls. Returns the test line to call ('dial') for each carrier and a check id (and a token for a keyless check: keep it). The number being checked must then call each test line within the window. The firs…
get_checkThe check and each carrier's result: status waiting, complete or incomplete; the label shown and caller name; flagged true/false; a screenshot link. Set wait_seconds (up to 25) to wait for results to arrive before answering.
get_coverageWhich carriers are online now, prices in cents, and the dialing window.
get_balanceNeeds a key. The account balance, holds, and this key's spending limit.
request_approvalGet a link (approve_url) for your human to open: they sign in, add funds if needed, set a spending limit and approve. Show them the link, then call get_approval. Use this when a check is refused with free_check_used, insufficient_funds or key_limit.
get_approvalStatus of an approval request: pending, approved, declined or expired. Once approved, a keyless request returns api_key (shown once): pass it as api_key to the other tools. Set wait_seconds (up to 25) to wait for a decision.
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Optional. Your Spam I Am API key, from the Balance page, as 'Bearer sia_...'. The first check on a number works without one. |
Details
| Endpoint | https://ismynumberspam.com/mcp (Streamable HTTP) |
| First published | 24 Oct 2026 |
| Last updated | 24 Oct 2026 |
| Registry name | com.ismynumberspam/spam-i-am |
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Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.
