configuring-service-meshes
Configure this skill configures service meshes like istio and linkerd for microservices. it generates production-ready configurations, implements best practices, and ensures a security-first approach. use this skill when the user asks to "configure service ... Use when appropriate context detected. Trigger with relevant phrases based on skill purpose.
51
41%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Passed
No known issues
Optimize this skill with Tessl
npx tessl skill review --optimize ./plugins/devops/service-mesh-configurator/skills/configuring-service-meshes/SKILL.mdQuality
Discovery
32%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 starts with some useful specifics (Istio, Linkerd, microservices) but is undermined by a truncated trigger phrase and a completely generic, placeholder 'Use when' clause that provides no actionable guidance. The buzzwords 'best practices' and 'security-first approach' add fluff without concrete value, and the description appears to have been cut off mid-sentence.
Suggestions
Replace the placeholder 'Use when appropriate context detected. Trigger with relevant phrases based on skill purpose' with explicit triggers like 'Use when the user asks to configure Istio, Linkerd, service mesh routing, mTLS, traffic policies, or sidecar proxies.'
Complete the truncated sentence and list specific concrete actions such as 'generates sidecar injection configs, sets up mTLS policies, configures traffic routing rules, and defines retry/timeout policies.'
Remove the leading 'Configure this skill configures' redundancy and use proper third-person voice consistently (e.g., 'Configures service meshes...').
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names the domain (service meshes) and specific tools (Istio, Linkerd) and mentions some actions like 'generates production-ready configurations' and 'implements best practices,' but 'best practices' and 'security-first approach' are vague buzzwords rather than concrete actions. | 2 / 3 |
Completeness | The 'what' is partially addressed but the 'when' clause is essentially absent—'Use when appropriate context detected. Trigger with relevant phrases based on skill purpose' is a meaningless placeholder that provides no explicit trigger guidance. The description also appears truncated mid-sentence. | 1 / 3 |
Trigger Term Quality | Includes some relevant keywords like 'service mesh,' 'Istio,' 'Linkerd,' and 'microservices,' but the trigger clause is truncated ('configure service ...') and the generic 'Use when appropriate context detected. Trigger with relevant phrases based on skill purpose' adds no useful trigger terms. | 2 / 3 |
Distinctiveness Conflict Risk | Mentioning specific tools like Istio and Linkerd helps distinguish it, but the vague language around 'best practices' and 'security-first approach' could overlap with general Kubernetes or infrastructure configuration skills. | 2 / 3 |
Total | 7 / 12 Passed |
Implementation
50%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill provides a reasonable high-level guide for configuring service meshes but falls short on actionability—it describes what to do without providing the concrete YAML manifests that would make it truly executable. The workflow is logically sequenced but lacks explicit validation feedback loops for destructive/complex operations. The content is moderately concise but could trim prerequisite explanations and replace natural language examples with actual configuration snippets.
Suggestions
Add concrete, copy-paste-ready YAML manifests for key resources (PeerAuthentication with STRICT mTLS, a VirtualService with canary traffic splitting, a DestinationRule with circuit breaker settings) instead of just describing them.
Add explicit feedback loops to the workflow: e.g., after step 4 (mTLS), verify with `istioctl authn tls-check`; if validation in step 9 fails, specify how to diagnose and retry.
Replace the 'Examples' section (which lists natural language prompts) with actual input/output examples showing a user request and the resulting generated manifests.
Consider creating bundle files (e.g., ISTIO_EXAMPLES.md, LINKERD_EXAMPLES.md) to offload detailed per-mesh configurations and keep SKILL.md as a concise overview with references.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The skill includes some unnecessary context (e.g., the Prerequisites section explaining what observability backends are, the 'Understanding of microservice communication patterns' bullet). The error handling table and examples section add useful value but the overall content could be tightened—Claude already knows what Istio, Linkerd, and Consul Connect are. | 2 / 3 |
Actionability | Instructions reference specific CLI commands (e.g., `istioctl install --set profile=production`, `linkerd install | kubectl apply -f -`) but lack concrete, copy-paste-ready YAML manifests for PeerAuthentication, VirtualService, DestinationRule, or AuthorizationPolicy. The 'Examples' section lists natural language prompts rather than actual input/output examples with executable configurations. | 2 / 3 |
Workflow Clarity | Steps are sequenced logically (install → inject → configure mTLS → traffic rules → observability → validate), and step 9 includes validation. However, there are no explicit feedback loops (e.g., 'if validation fails, fix and re-validate') and no checkpoints between critical steps like mTLS configuration and traffic management setup. | 2 / 3 |
Progressive Disclosure | The content is reasonably structured with clear sections (Overview, Instructions, Output, Error Handling, Examples, Resources), but everything is inline in a single file with no bundle files to offload detailed manifests or advanced configurations. The Resources section links to external docs but there are no internal references to supplementary files for detailed YAML examples or advanced patterns. | 2 / 3 |
Total | 8 / 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
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- Reviewed
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