Prompt Dataset Builder
by Edric Vale
$5
Build and curate high-quality prompt datasets for fine-tuning and eval — deduped and labeled.
10
161
Best Prompt & Skill Engineering Skills for Claude Code
Skills for writing better prompts, structuring context, and authoring SKILL.md files that agents follow reliably. Turn vague instructions into repeatable behaviour.
73 skills · page 1 of 4
code context engineering
by Roy Yuen
$7
A high-precision pre-coding gate that detects conflicting requirements and prevents agents from making wrong assumptions.
2
0
skill auditor
by Matthew King
$5
Audit, score, and improve your AI agent skills for higher quality, lower token costs, better reliability, and marketplace success. Get actionable recommendations for prompts, instructions, tool usage, error handling, and user experience.
2
0
MD Design System
by HashLips
Free
A Markdown formatting and sanitization skill that cleans up structure, syntax, spacing, headings, lists, and document layout while preserving the original meaning and requirements.
7
74.8(6)
Agensi Skill Authoring (v1.4)
Free
Master the Agensi open standard to build, structure, and document reliable reusable skills for AI coding agents.
2
345.0(1)
Custom GPT to Agent Skill Converter
by Shandra
$5
Converts Custom GPT instructions, prompt systems, and agent ideas into structured, premium SKILL.md files for AI agent marketplaces.
2
0
Agent Harness Architect
$24
Model quality is table stakes — the harness is where agents win or fail. This designs yours: it writes a structured, testable system prompt (role, tools, boundaries, method, output contract, failure handling) and maps every concern to the right layer — prompt, tool, guardrail, or evaluation — so the pieces reinforce each other instead of fighting.
1
3
Agent Skill Creator
by HashLips
Free
A skill for creating and structuring reusable Agent Skills with a focused SKILL.md, supporting reference files, clear triggers, and a maintainable architecture. It works best alongside the MD Design System.
7
75.0(5)
Prompt Engineer Lite Pack — Reusable LLM Templates
by Cygnix Labs
$5
Reusable LLM prompt templates with context bounds, output schema, edge cases, and a small test plan. Impulse buy for Cursor/Claude workflows — no model-performance claims.
2
2
ambient audio soundtrack prompter
$9
Engineers technical, multi-layered prompts for AI music generators to create professional ambient and lo-fi soundtracks.
3
0
Normalize Prompt Set into Eval Cases
by GTDataworks
Free
Turn loose prompts into structured records with variables, contracts, and eval cases for Cursor, Claude, and Promptfoo-style gates.
1
7
Prompt Quality Reviewer
by Farman J
Free
Audits vague prompts and rewrites them into structured, constraint-heavy system instructions for consistent LLM output.
1
55.0(1)
agent context engineering
by Agentwrought
$9
Optimize agent performance and reduce costs through structured context budgeting, memory architecture, and handoff notes.
1
1
AI Prompt Engineering Studio™
$5
Build, debug, test, optimize, secure, and adapt production-ready AI prompts for different models and workflows.
2
0
Agensi Listing Card
by Joeri Brons
Free
Turns any agensi.io skill listing (URL or SKILL.md) into a 1920×1080 explanatory card in Agensi branding: skill name, one-line explainer, numbered how-it-works steps, Agensi footer. Exports a PNG for the listing page.
2
25.0(1)
prompt refiner pro
$5
Diagnoses weak AI instructions and rewrites them into production-grade prompts with structured audit reports.
2
0
AI Requirement Lock
by Dad Labs
$5
Prevents requirement drift by locking constraints, resolving conflicts, and auditing outputs against a persistent contract.
2
0
API Spec Researcher — Systematic External API Investigation
by Shogun Labs
Free
Battle-tested prompting patterns to eliminate LLM output drift. Sandwich structure, few-shot examples, history limits, retry, and token caps — 6 composable layers for production-grade agent reliability.
2
4
MCP Server Builder — Model Context Protocol Development Guide
by Shogun Labs
Free
Battle-tested prompting patterns to eliminate LLM output drift. Sandwich structure, few-shot examples, history limits, retry, and token caps — 6 composable layers for production-grade agent reliability.
2
3
🧑💻 Git Commit & PR Writer
by WoW MCP
Free
Turn Code Changes into Clean, Professional Git Output. Automate Conventional Commits and structured PR descriptions from git diffs.
1
15.0(1)
Sales Call Coach — Free Starter
by GarphenGate
Free
Generate sharp, research-backed discovery questions that avoid generic sales fluff and uncover real business pain.
1
4
Email Deliverability Doctor — Free Starter
by GarphenGate
Free
Quickly audit subject lines for spam triggers and get honest, deliverability-friendly rewrites.
1
3
Task Observer: One Skill to Rule Them All
by Eoghan Henn
Free
The meta-skill that builds and improves all your skills, including itself.
1
3