Abnormal Security MCP vs BillionVerify
A side-by-side look at the Abnormal Security MCP and BillionVerify MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
B
BillionVerifyCommunication · Local subprocess (stdio)Email verification for AI agents: verify single or bulk emails, check credits and history.52GoodAuth: not declaredVerdict: choose Abnormal Security MCP for security work; choose BillionVerify for communication as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Abnormal Security MCP when
- You need dedicated capabilities in the Security domain.
BChoose BillionVerify when
- You need dedicated capabilities in the Communication domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
BILLIONVERIFY_API_KEY. - You want tools like
verify_single_email, verify_batch_emails, get_account_balance.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | B BillionVerify | |
|---|---|---|
| Category | Security | Communication |
| Quality signal | 37/100 · Fair | 52/100 · Good |
| Install command | Not confirmed yet | Confirmed |
| Transport | — | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | BYOK (pay the provider) |
| Required env vars | None listed | BILLIONVERIFY_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 51 | 0 |
| Directory activity | 1 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | Not listed | 11 |
| Full listing | View Abnormal Security MCP | View BillionVerify |
Tools & capabilities
Abnormal Security MCP tools
No tool names declared yet. Check the project README from the listing page.
BillionVerify tools 11
verify_single_emailVerify a single email address in real-timeverify_batch_emailsVerify up to 50 emails in one requestget_account_balanceCheck your credit balanceget_verification_historyList verification history (paginated)get_verification_statsAggregated statistics for 7d / 30d / 90d / 1yget_task_statusPoll the status of an async file verification jobget_download_urlGet download URL for results with status filterscreate_webhookSubscribe to file completion eventslist_webhooksList all configured webhooksdelete_webhookRemove a webhookhealth_checkCheck server health
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Abnormal Security MCP
No confirmed install command for Abnormal Security MCP yet — follow the setup steps linked from its listing page rather than a guessed package name.
BillionVerify
{
"mcpServers": {
"billionverify": {
"command": "npx",
"args": [
"-y",
"billionverify-mcp"
],
"env": {
"BILLIONVERIFY_API_KEY": "YOUR_BILLIONVERIFY_API_KEY_HERE"
}
}
}
}
Frequently asked questions
Abnormal Security MCP is categorized under Security and uses an install path we have not confirmed yet. BillionVerify belongs to Communication and uses a local stdio subprocess. Pick Abnormal Security MCP for security work and BillionVerify for communication.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Abnormal Security MCP has no confirmed install command yet — follow its own setup instructions.
Abnormal Security MCP has no declared pricing — check the project's own site. BillionVerify is bring-your-own-key: usage is billed by the API provider you supply a key for. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add abnormal-security-mcp and billionverify as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Abnormal Security MCP has a quality signal of 37/100 (Fair) with 1 views, 0 installs and 51 GitHub stars. BillionVerify has 52/100 (Good) with 0 views, 0 installs and 0 GitHub stars.