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twilio-sendgrid-account-setup

Set up a SendGrid account for email delivery. Covers API key creation (SG.-prefix), domain authentication (DKIM/SPF via CNAME records), Single Sender Verification for testing, SDK installation, and the relationship between SendGrid and Twilio credentials. Use before any other SendGrid skill. This skill is for SendGrid only — not the Twilio Email API (comms.twilio.com).

66

Quality

83%

Does it follow best practices?

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Passed

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SKILL.md
Quality
Evals
Security

Quality

Content

75%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

A well-organized, highly actionable setup guide that leans on tables and exact values rather than prose, with real validation checkpoints (domain validation endpoint, 403 hint). It is held back from top marks only by a missing post-setup key-verification snippet, absent DNS-validation retry guidance, and a couple of sections that could live in reference files.

Suggestions

Add a minimal 'verify your key' snippet (e.g., a curl to GET /v3/scopes or a 3-line SDK test send) to close the setup loop.

Add explicit retry guidance for domain validation failure (DNS propagation can take up to 48h — re-run the validate endpoint).

Consider moving the SMTP relay table and Twilio product comparison into a reference file to slim the main body.

DimensionReasoningScore

Conciseness

The body is dense and table-driven with almost no boilerplate explanation, but minor sections could be trimmed — the DMARC and Dedicated IP/warming notes and the full seven-language SDK install table carry detail that edges past core account setup.

4 / 5

Actionability

Concrete, copy-paste-ready guidance throughout: exact console URLs, the export command, per-language install commands, literal DNS record patterns, SMTP host/port/username values, and specific API endpoints. The gap is no minimal SDK verification snippet to confirm the key works after setup.

4 / 5

Workflow Clarity

The Quickstart gives a clear numbered sequence (get key → set env → install SDK → authenticate domain) and validation checkpoints exist ('Verify via API: GET /v3/whitelabel/domains/{id}/validate', the 403 troubleshooting hint, 'Filter by valid: true'), but there is no retry/feedback guidance for failed DNS validation (e.g., propagation wait and re-check).

4 / 5

Progressive Disclosure

No bundle files exist, yet the body is a manageable ~110 lines with clean section headers, an inline-only design, and a 'Next Steps' section pointing to sibling skills for deeper topics. Slightly tangential sections (SMTP relay, Twilio product matrix) are inlined where a reference file could keep the main body leaner, keeping this below a 5.

4 / 5

Total

16

/

20

Passed

Description

83%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A strong description with concrete, comprehensive capability statements and excellent conflict disambiguation against the Twilio Email API. The main gap is a 'when' clause that only fires relative to other SendGrid skills, slightly narrowing discoverability for a user asking to set up email delivery from scratch.

Suggestions

Broaden the 'Use when...' trigger to cover initial-setup scenarios, e.g., 'Use when setting up a SendGrid account, creating API keys, or authenticating a sending domain.'

Add a few natural synonym phrases users might say, such as 'sender verification' or 'SendGrid setup', to improve trigger matching.

DimensionReasoningScore

Specificity

The description lists multiple concrete actions with technical specifics — 'API key creation (SG.-prefix)', 'domain authentication (DKIM/SPF via CNAME records)', 'Single Sender Verification for testing', 'SDK installation' — covering the setup workflow comprehensively.

5 / 5

Completeness

The 'what' is explicit and detailed, and 'Use before any other SendGrid skill' provides an explicit trigger, but the 'when' clause is scoped only relative to sibling SendGrid skills rather than covering when to use it for initial setup scenarios (e.g., 'Use when creating a SendGrid account or authenticating a sending domain').

4 / 5

Trigger Term Quality

Good natural keyword coverage ('SendGrid', 'email delivery', 'API key', 'domain authentication', 'DKIM/SPF', 'Twilio') that users would plausibly say, but a few natural variations are missing (e.g., 'sender verification', 'set up/send email account', 'SMTP').

4 / 5

Distinctiveness Conflict Risk

Highly distinct: it explicitly carves out its niche ('for SendGrid only — not the Twilio Email API (comms.twilio.com)') and disambiguates the closely adjacent Twilio credential space, minimizing wrong-skill triggering.

5 / 5

Total

18

/

20

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository

openai/plugins

Path

plugins/twilio-developer-kit/skills/twilio-sendgrid-account-setup/SKILL.md

Reviewed

Table of Contents

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