notification-platform

Guide for adding notifications, custom renderers, or new providers to Sentry's NotificationPlatform. Use when asked to "add notification", "new notification", "notification platform", "send notification", "notification template", "notification renderer", "notification provider", "NotificationPlatform", "notify user", "send email notification", "send slack notification".

1.28x

Quality

95%

Does it follow best practices?

Impact

89%

1.28x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Quality

Content

100%

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

This is an exceptionally well-crafted skill that provides a complete, actionable guide for extending Sentry's NotificationPlatform. It combines concise orientation (glossary, routing table) with executable code examples at every step, clear sequencing with validation checkpoints, and well-signaled references to deeper documentation. The only minor concern is that the referenced bundle files weren't provided for verification, but the skill content itself is exemplary.

Dimension	Reasoning	Score
Conciseness	The content is lean and efficient throughout. The glossary table is dense but necessary for orientation. No unnecessary explanations of basic concepts—it assumes Claude understands dataclasses, protocols, enums, and registry patterns. Every section earns its place.	3 / 3
Actionability	Provides fully executable, copy-paste-ready code for every step: data class definition, template creation, registration, sending pattern, and tests. Concrete examples with real imports, decorators, and assertions. File paths are specific.	3 / 3
Workflow Clarity	Clear routing table (Step 1) directs to the right steps. Steps 2-9 are well-sequenced with explicit validation: Step 8 provides test patterns, Step 9 provides a pre-flight checklist with verification items. The 'If no existing category fits' branching and rollout gating add appropriate checkpoints.	3 / 3
Progressive Disclosure	Excellent progressive disclosure with clear one-level-deep references to detailed docs (references/data-and-templates.md, references/targets-and-sending.md, references/custom-renderers.md, references/provider-template.md). The main SKILL.md serves as a complete overview while pointing to deeper material. Note: no bundle files were provided to verify these references exist, but the structure and signaling are well-organized.	3 / 3
	Total	12 / 12 Passed

Description

89%

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

This is a solid skill description with excellent trigger term coverage and a clear 'Use when' clause. Its main weakness is that the 'what' portion could be more specific about the concrete actions involved (e.g., defining message templates, configuring delivery channels, writing renderer classes). Overall it performs well for skill selection purposes.

Suggestions

Expand the capability description to list more specific concrete actions, e.g., 'define message templates, configure delivery channels, implement renderer classes, register new provider integrations'.

Dimension	Reasoning	Score
Specificity	It names the domain (Sentry's NotificationPlatform) and mentions some actions ('adding notifications, custom renderers, or new providers'), but doesn't list deeply specific concrete actions like creating templates, configuring routing, or handling delivery callbacks.	2 / 3
Completeness	Clearly answers both 'what' (guide for adding notifications, custom renderers, or new providers to Sentry's NotificationPlatform) and 'when' (explicit 'Use when asked to...' clause with a comprehensive list of trigger phrases).	3 / 3
Trigger Term Quality	Excellent coverage of natural trigger terms including variations like 'add notification', 'new notification', 'notification template', 'notification renderer', 'notification provider', 'send email notification', 'send slack notification', and 'notify user'. These are terms users would naturally say.	3 / 3
Distinctiveness Conflict Risk	Highly distinctive due to the specific mention of Sentry's NotificationPlatform and the focused scope on notification-related additions. The trigger terms are specific enough to avoid conflicts with general coding or other notification systems.	3 / 3
	Total	11 / 12 Passed

Validation

100%

Warnings & errors only

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

Validation — 11 / 11 Passed

Validation for skill structure

No warnings or errors.

Repository: getsentry/sentry
Commit: 552fb5c

Reviewed: 24 days ago

Table of Contents

Discovery Implementation Validation

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