CtrlK
BlogDocsLog inGet started
Tessl Logo
SkillPublic

istio-traffic-management

Configure Istio traffic management including routing, load balancing, circuit breakers, and canary deployments. Use when implementing service mesh traffic policies, progressive delivery, or resilience patterns.

92

1.03x
Quality

87%

Does it follow best practices?

Impact

98%

1.03x

Average score across 6 eval scenarios

SecuritybySnyk

Passed

No findings from the security scan

SKILL.md
Quality
Evals
Security

Quality

Content

76%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.

A highly actionable single-file reference with complete executable Istio YAML templates and debugging commands, organized into clear sections. Its weaknesses are minor redundancy across templates and the absence of an explicit workflow with validation checkpoints (apply config, then verify with istioctl analyze) for an operation that shifts production traffic.

Suggestions

Frame an explicit workflow with a validation checkpoint: apply the configuration, then run 'istioctl analyze' to validate, and iterate on errors before considering the change done — this would lift the implicit validation into a real feedback loop.

De-duplicate the connectionPool/trafficPolicy blocks that repeat across the canary, circuit-breaker, and load-balancing templates; present the shared pattern once and show only deltas in each template.

Consider moving rarely-needed templates (e.g., fault injection, mirroring) into a one-level-deep reference file to keep SKILL.md as a leaner overview.

DimensionReasoningScore

Conciseness

The body is lean and template-driven with no padding or explanation of concepts Claude already knows; nearly all prose is actionable. Not 5 because there is minor redundancy — the connectionPool block repeats across Template 2, Template 3, and the load-balancing section, and Template 1 enumerates three full subsets where one example would do.

4 / 5

Actionability

Seven complete, copy-paste-ready YAML templates (routing, canary, circuit breaker, retry/timeout, mirroring, fault injection, gateway) plus runnable istioctl debugging commands cover the common cases. Fully executable with no gaps, matching the 5 anchor.

5 / 5

Workflow Clarity

The content is a template catalog rather than a sequenced workflow; validation exists only as an unconnected command list ('istioctl analyze') with no checkpoint framing, apply-then-verify ordering, or error-recovery loop. Fits the 3 anchor (checkpoints missing or implicit); not 4 because there is no explicit validate→fix→retry sequence.

3 / 5

Progressive Disclosure

No bundle files exist, and the single file is well-organized with clear section headers, a resource table, and a traffic-flow diagram making navigation easy. Not 5 because at ~320 lines several templates could reasonably live in one-level-deep reference files; not 3 because structure and organization are genuinely good, not merely present.

4 / 5

Total

16

/

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.

A strong description in third person that names the domain, enumerates concrete capabilities, and provides an explicit 'Use when...' clause with natural trigger phrases. The only gap is a few missing natural synonyms (mirroring, retries, fault injection) that the skill body covers.

DimensionReasoningScore

Specificity

Names the domain (Istio traffic management) and lists four concrete actions — 'routing, load balancing, circuit breakers, and canary deployments' — giving comprehensive coverage of the skill's stated scope. This matches the 5 anchor rather than 4, which requires minor gaps in coverage.

5 / 5

Completeness

Explicitly answers both: what ('Configure Istio traffic management including routing, load balancing, circuit breakers, and canary deployments') and when ('Use when implementing service mesh traffic policies, progressive delivery, or resilience patterns'). Both are concrete and explicit, matching the 5 anchor.

5 / 5

Trigger Term Quality

Good natural trigger coverage ('circuit breakers', 'canary deployments', 'service mesh traffic policies', 'progressive delivery', 'resilience patterns'), but several natural phrases the body itself covers are missing (mirroring, retries, fault injection, traffic splitting, blue-green). Not 5 because synonym/variation coverage is incomplete; not 3 because the included terms are natural and well-chosen.

4 / 5

Distinctiveness Conflict Risk

'Istio' and 'service mesh' carve a clear niche with mesh-specific triggers; minimal conflict risk. Not 4 because even the generic-sounding 'progressive delivery' trigger is anchored by the Istio/service-mesh framing, leaving only negligible overlap with generic CI/CD skills.

5 / 5

Total

19

/

20

Passed

Validation

100%

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

Validation — 16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository

wshobson/agents

Path

plugins/cloud-infrastructure/skills/istio-traffic-management/SKILL.md

Reviewed

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.