Agent skill · security · membranedev
sslmate-cert-spotter-api
SSLMate — Cert Spotter API integration. Manage Certificates, Domains. Use when the user wants to interact with SSLMate — Cert Spotter API data.
Why this skill is useful
Provides specific commands and integration patterns for interacting with the SSLMate Cert Spotter API that the AI wouldn't reliably generate on its own.
What it needs
Requires @membranehq/cli installed locally. Requires membrane account access. About 3k tokens when loaded. Last updated 2026-04-28. 253 stars on the source repository.
What this skill does
SSLMate — Cert Spotter API SSLMate's Cert Spotter API is a tool that allows developers to monitor newly issued SSL/TLS certificates. It's used by security professionals, researchers, and domain owners to detect potential phishing attacks, brand abuse, and unauthorized certificate issuance. Official docs: https://sslmate.com/certspotter/api/ SSLMate — Cert Spotter API Overview Certificates Certificate Details Domains Domain Details Matching Identities Working with SSLMate — Cert Spotter API This skill uses the Membrane CLI (npx @membranehq/cli@latest) to interact with SSLMate — Cert Spotter API. Membrane handles authentication and credentials refresh automatically — so you can focus on the integration logic rather than auth plumbing. First-time setup A browser window opens for authentication. After login, credentials are stored in ~/.membrane/credentials.json and reused for all future commands. Headless environments: Run the command, copy the printed URL for the user to open in a browser, then complete with npx @membranehq/cli@latest login complete <code>. Connecting to SSLMate — Cert Spotter API 1. Create a new connection: Take the connector ID from output.items[0].element?.id, then: The user completes authentication in the browser. The output contains the new connection id. Getting list of existing connections When you are not sure if connection already exists: 1. Check existing connections: If a SSLMate — Cert Spotter API connection exists, note its connectionId Searching for actions When you know what you want to do but not the exact action ID: This will return action objects with id and inputSchema in it, so you will know how to run it. Popular actions Use npx @membranehq/cli@latest action list --intent=QUERY --connectionId=CONNECTIONID --json to discover available actions. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills membranedev/sslmate-cert-spotter-api