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spawn

Generate PhD-level expert agent prompts for Claude Code. Creates comprehensive 500-1000 line agents with detailed patterns, code examples, and best practices. Triggers on: spawn agent, create agent, generate expert, new agent, agent genesis.

Install with Tessl CLI

npx tessl i github:NeverSight/skills_feed --skill spawn
What are skills?

90

Does it follow best practices?

Validation for skill structure

SKILL.md
Review
Evals

Evaluation results

92%

25%

Kubernetes Expert Agent for Platform Team

Agent file structure and YAML compliance

Criteria
Without context
With context

YAML frontmatter present

100%

100%

Lowercase-hyphen name

100%

100%

Filename matches name field

100%

100%

Correct project-level path

100%

100%

Tools field restricted

0%

0%

10+ authoritative URLs

100%

100%

Agent length 500+ lines

0%

100%

10-part structure headers

58%

100%

10+ code blocks

0%

100%

description field specificity

100%

100%

Without context: $0.2730 · 1m 25s · 15 turns · 63 in / 4,703 out tokens

With context: $0.7469 · 3m 11s · 23 turns · 399 in / 12,973 out tokens

100%

62%

FastAPI Expert Agent for Backend Engineering Team

10-part agent content structure

Criteria
Without context
With context

Configuration dev+prod

20%

100%

Testing with actual code

70%

100%

Error handling hierarchy

20%

100%

Anti-patterns count

100%

100%

Essential patterns count

0%

100%

Pattern implementation depth

40%

100%

Quick reference cheat sheet

12%

100%

Security section present

62%

100%

Performance section present

50%

100%

Integration patterns present

0%

100%

All 10 parts present

30%

100%

Without context: $0.4500 · 2m 25s · 15 turns · 22 in / 10,063 out tokens

With context: $0.9788 · 4m 21s · 25 turns · 33 in / 17,475 out tokens

92%

42%

PostgreSQL Expert Agent for a Data Engineering Team

Agent description quality and code example standards

Criteria
Without context
With context

PROACTIVELY or MUST BE USED in description

0%

100%

Description includes use cases

100%

100%

10+ code blocks in agent body

100%

100%

Production-ready code quality

100%

100%

model field valid value

100%

100%

color field present

0%

100%

Global path used

0%

100%

Post-generation reminder

100%

100%

10+ authoritative URLs

0%

100%

Tools field restricted

0%

0%

Without context: $0.4338 · 2m 25s · 19 turns · 67 in / 7,576 out tokens

With context: $1.0040 · 5m 27s · 23 turns · 703 in / 19,087 out tokens

Evaluated
Agent
Claude Code

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.