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twilio-conversations-classic-api

Build multi-channel messaging experiences using Twilio Conversations (classic) API. Covers creating conversations, adding participants (SMS, WhatsApp, chat), sending messages, and handling webhooks. Use this skill to manage persistent multi-party or multi-channel conversations beyond single-message SMS/WhatsApp.

67

Quality

84%

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SKILL.md
Quality
Evals
Security

Quality

Content

71%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.

The skill is highly actionable, with complete executable Python and Node.js examples for every common Conversations operation, a clear prerequisite-to-quickstart sequence, and honest CANNOT/limits sections. Its weaknesses are token efficiency — systematic dual-language duplication of every pattern — and the absence of any bundle structure, leaving advanced patterns inlined in an already long SKILL.md.

Suggestions

Pick one primary language for inline examples (or interleave minimal alternates) and move the full second-language variants to a reference file such as references/node-examples.md, roughly halving the body length.

Move the Advanced Context sections (conversation/participant attributes, delivery-status webhooks) into references/advanced.md and link to them from a short 'Advanced' pointer section, improving progressive disclosure.

Add an explicit verification step after the Console-side phone-number assignment (e.g. list the service's phone numbers via the API before proceeding to the Quickstart), closing the workflow validation gap.

DimensionReasoningScore

Conciseness

The body is mostly efficient API guidance, but every pattern is duplicated in full Python and Node.js blocks (~600 lines), client setup is repeated across Setup and Quickstart, and the prose adds little beyond the code. This fits 'mostly efficient but includes some unnecessary explanation or could be tightened' — the dual-language duplication is systematic padding rather than the minor trimming of a 4.

3 / 5

Actionability

Every section provides copy-paste-ready executable code — conversation creation, participant creation per channel (SMS/WhatsApp/chat/identity), media with limits, listing, removal, closing, and webhook handlers that even include X-Twilio-Signature validation. Specific examples cover the common cases, matching the score-5 anchor.

5 / 5

Workflow Clarity

There is a clear sequenced path (Prerequisites → Service creation → number assignment → Quickstart → patterns → limits), and webhook handling includes a validation checkpoint (signature check before processing). It is not a 5 because there is no verification step after the manual Console number-assignment step and no error-recovery guidance for failed API calls.

4 / 5

Progressive Disclosure

No bundle files exist (references/, scripts/, assets/ are absent), so all ~600 lines live inline in SKILL.md. Sections are well-organized and easy to navigate, but content that clearly belongs in separate files — the Advanced Context patterns (attributes, delivery-status webhooks) and one of the two language variants — is inlined. This matches the score-3 anchor: some structure, but content that should be separate is inline.

3 / 5

Total

15

/

20

Passed

Description

92%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.

The description is strong: it states concrete capabilities in third person, includes an explicit 'Use this skill to...' trigger clause, and explicitly disambiguates from single-message SMS/WhatsApp skills. The only weakness is a handful of missing natural trigger synonyms.

DimensionReasoningScore

Specificity

"Covers creating conversations, adding participants (SMS, WhatsApp, chat), sending messages, and handling webhooks" lists multiple specific concrete actions covering the domain comprehensively, matching the score-5 anchor. It is not a 4 because there are no meaningful coverage gaps — every core Conversations operation is enumerated.

5 / 5

Completeness

It explicitly answers both: what ("Build multi-channel messaging experiences using Twilio Conversations (classic) API... creating conversations, adding participants... sending messages, and handling webhooks") and when ("Use this skill to manage persistent multi-party or multi-channel conversations beyond single-message SMS/WhatsApp"). Both are concrete and explicit, matching the score-5 anchor.

5 / 5

Trigger Term Quality

Natural terms are well represented — "multi-channel messaging", "conversations", "SMS", "WhatsApp", "chat", "webhooks", "persistent multi-party" — but a few natural phrases users would say are missing (e.g. "group message", "thread", "chat bot"). This fits the anchor "Good keyword coverage; a few natural terms missing" rather than the comprehensive-synonym coverage of a 5.

4 / 5

Distinctiveness Conflict Risk

It carves a clear niche — persistent Conversations (classic) API threads — and explicitly disambiguates from adjacent skills via "beyond single-message SMS/WhatsApp". Minimal conflict risk; matches the score-5 "clear niche with distinct triggers" anchor.

5 / 5

Total

19

/

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

skill_md_line_count

SKILL.md is long (599 lines); consider splitting into references/ and linking

Warning

Total

15

/

16

Passed

Repository

openai/plugins

Path

plugins/twilio-developer-kit/skills/twilio-conversations-classic-api/SKILL.md

Reviewed

Table of Contents

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