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parallel-execution

Patterns for parallel subagent execution using the Agent tool (formerly Task). Use when coordinating multiple independent tasks, spawning dynamic subagents, or implementing features that can be parallelized.

62

Quality

78%

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tessl review fix ./skills/parallel-execution/SKILL.md
SKILL.md
Quality
Evals
Security

Quality

Content

67%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.

The body delivers a clear, actionable protocol with strong sequencing and useful troubleshooting, held back by redundancy: the performance math and the repeated wave examples pad the document without adding guidance Claude does not already have. As an instruction-only skill its absence of executable code is acceptable and largely offset by concrete rules and templates.

Suggestions

Trim the Performance Benefits table and the 'approximately Nx faster' sentence — Claude already knows parallel execution beats sequential; keep only the single-message and background-default rules that are non-obvious.

Merge Pattern 1's wave example with the Feature Implementation example — they demonstrate the identical wave/dependency concept — and replace the placeholder Agent call blocks with one concrete filled-in example including a real description and prompt.

Consolidate Patterns 1-3 into a brief list of parallelization axes (task, directory, perspective) with one-line examples, freeing budget for a validation checkpoint before synthesis (e.g., how to verify each subagent actually completed its assigned work).

DimensionReasoningScore

Conciseness

Mostly efficient but includes unnecessary material: the Performance Benefits table and 'approximately Nx faster' line restate what Claude already knows about parallelism, the wave concept is explained twice (Pattern 1 and the Feature Implementation example), and the three pattern sections are minor variations of one idea. Not 4 because these padded/redundant sections are noticeable rather than minor.

3 / 5

Actionability

Concrete, executable guidance dominates: the single-message rule ('ALL Agent calls MUST be in a SINGLE assistant message'), the version note to add 'run_in_background: true', a structured prompt template, and wait-don't-poll collection instructions. Not 5 because the Agent-call examples are placeholder pseudocode ('[Agent 1] description: ...') rather than one fully filled-in concrete call.

4 / 5

Workflow Clarity

A clear 5-step Execution Protocol with an upfront independence checklist (Step 1) and a troubleshooting section providing feedback loops for failure modes (sequential execution, missing results, conflicts). Not 5 because there are no explicit mid-execution checkpoints for verifying subagent outputs before synthesis; not 3 because sequencing and error recovery are well covered.

4 / 5

Progressive Disclosure

Well-organized single-file skill: clear section headers, a When to Load trigger/skip pair, and no broken or nested references (no bundle files exist to reference). Minor organization gaps: the redundant pattern/example sections could be consolidated. Not 3 because structure and navigation are clean, with no wall-of-text or buried content.

4 / 5

Total

15

/

20

Passed

Description

78%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 well-formed description with an explicit 'Use when...' clause and strong natural trigger terms around parallelism and subagents. Main weakness is that the 'what' stays at the pattern level rather than enumerating concrete capabilities. Third-person voice is used correctly.

DimensionReasoningScore

Specificity

Names the domain ('parallel subagent execution using the Agent tool') and a couple of actions ('coordinating multiple independent tasks, spawning dynamic subagents'), but the verbs are pattern-level rather than a list of several concrete operations. Not the level below (2) because it goes beyond naming the domain with generic actions; not 4 because coverage of specific actions is not comprehensive.

3 / 5

Completeness

Explicitly answers what ('Patterns for parallel subagent execution using the Agent tool (formerly Task)') and when ('Use when coordinating multiple independent tasks, spawning dynamic subagents, or implementing features that can be parallelized') with concrete trigger phrases. Matches the 5 anchor directly.

5 / 5

Trigger Term Quality

Good natural keyword coverage: 'parallel subagent execution', 'Agent tool', 'Task', 'coordinating multiple independent tasks', 'spawning dynamic subagents', 'parallelized'. A few natural terms users might say are missing ('concurrent', 'fan out'), so not 5.

4 / 5

Distinctiveness Conflict Risk

Clear niche (Agent-tool parallel subagent execution) with distinct triggers; minor overlap risk with closely related multi-agent/workflow-orchestration skills. Distinctive enough to avoid 3, but not the minimal-conflict clarity of a tool-and-file-type-specific niche for 5.

4 / 5

Total

16

/

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
CloudAI-X/claude-workflow-v2
Reviewed

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