istio-service-mesh-config
Istio Service Mesh Config - Auto-activating skill for DevOps Advanced. Triggers on: istio service mesh config, istio service mesh config Part of the DevOps Advanced skill category.
36
3%
Does it follow best practices?
Impact
98%
0.98xAverage score across 3 eval scenarios
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./planned-skills/generated/02-devops-advanced/istio-service-mesh-config/SKILL.mdQuality
Discovery
7%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 description is extremely weak—it reads like auto-generated boilerplate rather than a useful skill description. It fails to describe any concrete capabilities, lacks natural trigger terms users would employ, and provides no guidance on when Claude should select this skill. The only slight positive is that 'Istio Service Mesh' names a specific technology domain.
Suggestions
Add specific concrete actions the skill performs, e.g., 'Generates and validates Istio VirtualService, DestinationRule, and Gateway configurations. Troubleshoots service mesh routing, mTLS, and traffic management policies.'
Add an explicit 'Use when...' clause with natural trigger terms, e.g., 'Use when the user asks about Istio configuration, service mesh setup, Envoy proxy settings, traffic routing rules, sidecar injection, or mTLS policies.'
Remove the duplicate trigger term 'istio service mesh config' and replace with varied natural language terms users would actually say, such as 'istio yaml', 'service mesh troubleshooting', 'istio gateway config', 'virtual service', 'destination rule'.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | The description contains no concrete actions whatsoever. It merely names 'Istio Service Mesh Config' without describing what it actually does—no verbs like 'configure', 'deploy', 'troubleshoot', or any specific capabilities are listed. | 1 / 3 |
Completeness | Neither 'what does this do' nor 'when should Claude use it' is meaningfully answered. The description only states it's an auto-activating skill in a category, with no explanation of capabilities or explicit usage triggers. | 1 / 3 |
Trigger Term Quality | The trigger terms are just 'istio service mesh config' repeated twice. This misses natural user language like 'istio configuration', 'service mesh setup', 'envoy proxy', 'traffic routing', 'sidecar injection', 'istio gateway', etc. | 1 / 3 |
Distinctiveness Conflict Risk | The mention of 'Istio Service Mesh' does narrow the domain to a specific technology, which provides some distinctiveness. However, the lack of specific actions means it could overlap with any general DevOps or Kubernetes skill. | 2 / 3 |
Total | 5 / 12 Passed |
Implementation
0%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill is an empty template with no substantive content. It contains only auto-generated boilerplate that describes what the skill would do without actually providing any Istio service mesh configuration knowledge, commands, examples, or workflows. It adds no value beyond what Claude already knows.
Suggestions
Add concrete, executable Istio configuration examples (e.g., VirtualService, DestinationRule, Gateway YAML manifests) with specific `istioctl` commands.
Define a clear multi-step workflow for common Istio tasks (e.g., install Istio, enable sidecar injection, configure traffic routing, validate with `istioctl analyze`).
Remove all meta-description sections ('Purpose', 'When to Use', 'Example Triggers', 'Capabilities') and replace with actionable content covering specific Istio patterns like traffic management, mTLS setup, and observability configuration.
Add validation checkpoints such as `istioctl analyze`, `kubectl get pods` sidecar verification, and connectivity testing steps to ensure configurations are correct before proceeding.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is entirely filler and meta-description. It explains what the skill does in abstract terms without providing any actual Istio configuration knowledge, commands, or code. Every section restates the same vague idea. | 1 / 3 |
Actionability | There is zero concrete guidance—no Istio commands, no YAML manifests, no configuration examples, no specific steps. The content describes rather than instructs, offering nothing executable or copy-paste ready. | 1 / 3 |
Workflow Clarity | No workflow is defined at all. There are no steps, no sequencing, no validation checkpoints. Istio configuration involves multi-step processes (installation, sidecar injection, traffic policies, validation) and none are addressed. | 1 / 3 |
Progressive Disclosure | The content is a flat, monolithic block of boilerplate with no references to supporting files, no structured navigation, and no layered content organization. There are no bundle files to support it either. | 1 / 3 |
Total | 4 / 12 Passed |
Validation
81%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 9 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
allowed_tools_field | 'allowed-tools' contains unusual tool name(s) | Warning |
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 9 / 11 Passed | |
- Commit
13d35b8
- Reviewed
Table of Contents
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