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
Quality
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 essentially a placeholder with no substantive content. It only provides category metadata ('DevOps Advanced') and repeats the same trigger term twice without describing any actual capabilities or use cases. The description fails to help Claude understand when to select this skill or what actions it enables.
Suggestions
Add specific concrete actions the skill performs, e.g., 'Configure Istio virtual services, destination rules, and gateways. Manage traffic routing, load balancing, and mTLS policies.'
Add a 'Use when...' clause with explicit triggers, e.g., 'Use when the user asks about service mesh configuration, traffic management, canary deployments, or Istio troubleshooting.'
Expand trigger terms to include natural variations: 'istio', 'service mesh', 'envoy', 'traffic routing', 'sidecar', 'virtual service', 'destination rule', 'ingress gateway'.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | The description contains no concrete actions - only mentions 'Istio Service Mesh Config' as a category label without describing what the skill actually does (e.g., configure routing, manage traffic policies, set up mTLS). | 1 / 3 |
Completeness | Fails to answer both 'what does this do' and 'when should Claude use it'. There is no 'Use when...' clause and no description of capabilities - only category metadata. | 1 / 3 |
Trigger Term Quality | The trigger terms are redundant ('istio service mesh config' listed twice) and overly technical. Missing natural variations users might say like 'service mesh', 'istio routing', 'traffic management', 'sidecar proxy', or 'envoy config'. | 1 / 3 |
Distinctiveness Conflict Risk | The mention of 'Istio' provides some specificity that distinguishes it from generic DevOps skills, but without concrete actions described, it could still conflict with other Kubernetes or service mesh related skills. | 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 that provides zero actionable content about Istio service mesh configuration. It consists entirely of generic boilerplate describing what a skill should do rather than actually teaching Claude how to configure Istio. The content would need to be completely rewritten with actual Istio configurations, YAML examples, and specific guidance.
Suggestions
Add concrete Istio configuration examples (VirtualService, DestinationRule, Gateway YAML) that are copy-paste ready
Include a clear workflow for common Istio tasks like traffic management, mTLS setup, or canary deployments with validation steps (e.g., 'istioctl analyze' to verify configuration)
Replace the meta-description sections with actual technical content - remove 'When to Use' and 'Example Triggers' sections entirely and use that space for real guidance
Add references to specific Istio resources or link to detailed configuration files for advanced topics like fault injection, circuit breaking, or observability setup
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is entirely boilerplate with no actual Istio-specific information. It explains what the skill does in abstract terms without providing any concrete guidance, wasting tokens on meta-description rather than actionable content. | 1 / 3 |
Actionability | No concrete code, commands, or specific Istio configurations are provided. The content only describes what the skill claims to do ('provides step-by-step guidance') without actually providing any guidance, examples, or executable content. | 1 / 3 |
Workflow Clarity | No workflow is defined. There are no steps, no validation checkpoints, and no actual process for configuring Istio service mesh. The phrase 'step-by-step guidance' is mentioned but none is provided. | 1 / 3 |
Progressive Disclosure | The content is a flat template with no meaningful structure. There are no references to detailed documentation, no links to examples, and no organization of content by complexity or use case. | 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 | |
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Table of Contents
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