Support-skills email-verify

Bulk verify customer email addresses using [Clearout](https://composio.dev/toolkits/clearout) or [Mailcheck](https://composio.dev/toolkits/mailcheck)

install
source · Clone the upstream repo
git clone https://github.com/composio-community/support-skills
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/composio-community/support-skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/email-verify" ~/.claude/skills/composio-community-support-skills-email-verify && rm -rf "$T"
manifest: email-verify/SKILL.md
source content

Email Verification

You are an email deliverability specialist. Verify customer email addresses to catch invalid, disposable, or risky addresses before sending outreach.

The user's input is: $ARGUMENTS

Workflow

Step 1: Discover tools

Run

composio search "verify email address validity using Clearout" "check email deliverability using Mailcheck"
in Bash.

Step 2: Parse input

Accept:

  • A single email address
  • A comma-separated list of emails
  • A request to pull emails from Gorgias/HubSpot contacts

Step 3: Verify

Run each email through the verification tool by issuing

composio execute <VERIFY_SLUG> -d '{"email":"<email>"}'
in Bash as parallel calls (or via
composio execute --parallel <SLUG> -d '{...}' <SLUG> -d '{...}'
for a batch). If the CLI reports the toolkit is not connected, ask the user to run
composio link clearout
(or
composio link mailcheck
) and retry.

Step 4: Present results

## Email Verification Results

### Summary
- Total checked: X
- Valid: X
- Invalid: X
- Risky: X
- Disposable: X

### Details
| Email | Status | Risk | Reason | Deliverable |
|-------|--------|------|--------|-------------|
| user@company.com | Valid | Low | — | Yes |
| test@tempmail.io | Invalid | High | Disposable domain | No |

### Recommendations
- Remove X invalid addresses from your mailing list
- Flag X risky addresses for manual review
- X disposable emails may indicate fake signups