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twilio-messaging-channel-advisor

Planning skill that helps the developer pick the right Twilio messaging channel — SMS, MMS, RCS, or WhatsApp — for a given use case. Qualifies intent across content type, geography, use case (marketing / notifications / OTP / support), cost model, and brand presence. Use when the developer asks "which channel should I use", "SMS vs RCS vs WhatsApp", mentions a country or region, asks about branded messaging, rich content, or fallback — and proactively when the developer says "send SMS" but their use case (rich content, international reach, branded experience) would benefit from a different channel.

72

Quality

90%

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SKILL.md
Quality
Evals
Security

Quality

Content

86%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 tight, high-signal advisory skill: concrete decision rules, a vocabulary translation table, a framed push-back script, and a defined output format with clear hand-offs to sibling skills. The only real improvement is de-duplicating channel guidance that appears across the questions, table, and push-back sections, and making the qualify→recommend→hand-off sequence explicit.

Suggestions

Collapse the overlap between 'Common User Vocabulary Translations', 'Qualifying Questions', and 'When to Push Back' — e.g., merge push-back triggers into the vocabulary table's third column — to reclaim tokens.

State the workflow explicitly at the top (e.g., '1. Qualify the five dimensions below; 2. Translate their vocabulary; 3. Push back where indicated; 4. Answer in the Output Format') so the sequence is prescribed rather than inferred from section order.

Drop the duplicate sibling-skill pairing sentence in Role, since Next Steps already lists the full hand-off map.

DimensionReasoningScore

Conciseness

The body is dense and Twilio-specific (WhatsApp dominance in LATAM, RCS on iOS 18+, WhatsApp 24-hr session windows, MMS US/CA/AU-only) with no padding or explanation of concepts Claude already knows. Not a 5 because there is redundancy: channel guidance recurs across Qualifying Questions, the Translations table, and When to Push Back, and the sibling-skill pairings in the Role section are repeated in Next Steps.

4 / 5

Actionability

Fully actionable for an instruction-only skill: per-dimension decision rules (e.g., 'Media → MMS (US/CA/AU only), WhatsApp, or RCS'), a vocabulary table mapping exact user phrases to channels, a copy-paste-ready push-back sentence ('SMS will work — but given [X], RCS would give you [Y]...'), and a 4-item output format with named follow-on skills. It is not a 4 because no common case lacks specific, executable guidance.

5 / 5

Workflow Clarity

The workflow is legible via section order — qualify intent (5 questions) → translate vocabulary → push back where indicated → produce the 4-part recommendation → hand off — and the Output Format defines the deliverable. It stops short of 5 because the sequence is implicit rather than stated, and there is no checkpoint like confirming the recipient's geography or cost tolerance before recommending.

4 / 5

Progressive Disclosure

No bundle files exist, and none are needed: the decision guidance fits appropriately in one well-sectioned file, while channel-specific depth (RCS onboarding, WhatsApp senders, content templates, messaging services) is correctly delegated one level deep via clearly signaled sibling-skill pointers in Next Steps. This matches the anchor of an easy-to-navigate overview with well-signaled one-level references.

5 / 5

Total

18

/

20

Passed

Description

91%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.

Strong description: third-person, concise, concrete about both what the skill does and when to use it, with quoted natural trigger phrases and an unusually good proactive-trigger clause. The only gaps are unstated output capabilities and slight overlap with sibling send/advise skills.

Suggestions

Add one clause stating the output (e.g., 'recommends a primary channel, fallback, and the next skill to invoke') to lift specificity to comprehensive coverage.

Narrow the proactive 'send SMS' trigger slightly (e.g., 'when the developer asks to send SMS but rich content, branding, or international reach is in play') to reduce overlap with the plain send-message execution skill.

DimensionReasoningScore

Specificity

Concrete actions are named — 'pick the right Twilio messaging channel — SMS, MMS, RCS, or WhatsApp' and 'qualifies intent across content type, geography, use case... cost model, and brand presence' — with the qualifying dimensions enumerated. It falls just short of a 5 because the advisory outputs it produces (primary channel + fallback recommendation, redirect to sibling skills) are not stated as capabilities.

4 / 5

Completeness

Explicitly answers both: 'what' — 'Planning skill that helps the developer pick the right Twilio messaging channel... Qualifies intent across content type, geography, use case, cost model, and brand presence' — and 'when' — 'Use when the developer asks...'. Both are concrete, matching the anchor-5 example structure.

5 / 5

Trigger Term Quality

Comprehensive natural trigger phrases, including verbatim user queries — 'which channel should I use', 'SMS vs RCS vs WhatsApp', 'branded messaging, rich content, or fallback', mentions of a country or region — plus a proactive trigger ('developer says "send SMS" but their use case... would benefit from a different channel'). This covers synonyms and the exact phrasing a developer would naturally say; not below 5 since no common variation is missing.

5 / 5

Distinctiveness Conflict Risk

The Twilio channel-selection niche with named channels (SMS/MMS/RCS/WhatsApp) and qualifying dimensions is distinct. Minor overlap risk remains: the proactive trigger on '"send SMS"' brushes against the twilio-send-message execution skill, and marketing/notifications planning overlaps with the sibling advisor skills the description itself references — so not a clear 5.

4 / 5

Total

18

/

20

Passed

Validation

93%

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

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

15

/

16

Passed

Repository

openai/plugins

Path

plugins/twilio-developer-kit/skills/twilio-messaging-channel-advisor/SKILL.md

Reviewed

Table of Contents

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