Tls Radar
@TLS-Radar
About Tls Radar
Run SSL/TLS scans, issue free Let's Encrypt certificates (private key stays local), and monitor certificate expiry from inside Claude Code or Cowork - through a single MCP server, no account needed for scans and issuance.
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"tls-radar": {
"type": "http",
"url": "https://tlsradar.com/api/v1/mcp"
}
}
}Tools
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Overview
What is TLS Radar?
TLS Radar is an MCP server that lets you run SSL/TLS scans, issue free Let's Encrypt certificates, and manage certificate monitoring directly from Claude Code or Claude Cowork, with no configuration required.
How to use TLS Radar?
Install via the Claude Code marketplace by running /plugin marketplace add TLS-Radar/tlsradar-claude-plugin then /plugin install tlsradar@tlsradar. Use slash commands such as /tls-scan example.com for a free scan or /tls-cert mydomain.dev to issue a certificate. Run /mcp once to connect for monitoring via OAuth.
Key features of TLS Radar
- Run free SSL/TLS scans with no account
- Issue free 90-day Let's Encrypt certificates
- Private keys generated locally, never sent
- Monitor certificate expiration with alerts
- Works in both Claude Code and Cowork
- OAuth 2.0 + PKCE for authenticated tools
Use cases of TLS Radar
- Scan any domain's TLS configuration instantly from chat
- Issue and renew a free Let's Encrypt certificate for a domain
- Add automated monitoring for one or more domains
- View expiration status and upcoming renewals in plain language
- Export/import monitor lists or invite teammates
FAQ from TLS Radar
Do I need an account to use TLS Radar?
No. Public tools like scan and certificate issuance work without any account. For monitoring, connect once via /mcp using built-in OAuth.
How are private keys handled during certificate issuance?
The plugin generates the private key and CSR locally using openssl. Only the CSR is sent to the server; the private key never leaves your computer.
What are the free plan limits?
The free plan includes 1 monitor, 1 alert per month (7 days before expiry), unlimited scans (rate-limited), and free Let's Encrypt issuance.
How do I connect for monitoring?
Run /mcp in Claude Code. This triggers an OAuth 2.0 + PKCE flow: your client fetches the authorization server metadata, registers as a public client, and opens the browser for consent. The token is managed by Claude Code automatically.
What about privacy and security?
The plugin sends no tracking headers and stores an anonymous install ID in ~/.config/tlsradar/install_id (opt out by deleting that file). OAuth tokens expire in 2 hours; refresh tokens rotate and are capped at 90 days. Access can be revoked at tlsradar.com/oauth/authorized_applications.
Frequently asked questions
Do I need an account to use TLS Radar?
No. Public tools like scan and certificate issuance work without any account. For monitoring, connect once via `/mcp` using built-in OAuth.
How are private keys handled during certificate issuance?
The plugin generates the private key and CSR locally using `openssl`. Only the CSR is sent to the server; the private key never leaves your computer.
What are the free plan limits?
The free plan includes 1 monitor, 1 alert per month (7 days before expiry), unlimited scans (rate-limited), and free Let's Encrypt issuance.
How do I connect for monitoring?
Run `/mcp` in Claude Code. This triggers an OAuth 2.0 + PKCE flow: your client fetches the authorization server metadata, registers as a public client, and opens the browser for consent. The token is managed by Claude Code automatically.
What about privacy and security?
The plugin sends no tracking headers and stores an anonymous install ID in `~/.config/tlsradar/install_id` (opt out by deleting that file). OAuth tokens expire in 2 hours; refresh tokens rotate and are capped at 90 days. Access can be revoked at `tlsradar.com/oauth/authorized_applications`.
Basic information
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