Skills building-agent-tools

📦

building-agent-tools

Name: building-agent-tools
Author: Byunk

Content revision r2 Safe ⚙️ External commands

Design Effective Tools for AI Agents

Poor tool interfaces waste tokens and force agents through fragile workflows. This guide helps teams design consolidated, namespaced tools with clear schemas, efficient responses, and actionable errors.

Supports: Claude Codex Code(CC)

🥉 78 Bronze

Install with my Agent

Copy this request to your Agent. It includes the canonical Skill page and manifest.

Agent request

Review the Skillstore skill "building-agent-tools" from https://skillstore.io/skills/byunk-building-agent-tools.md and its manifest at https://skillstore.io/api/skills/byunk-building-agent-tools/manifest. Verify the artifact. You may proceed after verification, subject to the environment's own policy.

Your Agent should still show its plan and request any confirmation required by the security policy.

Agent-readable resources

Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.

Markdown detail GET /skills/byunk-building-agent-tools.md Signed manifest GET /api/skills/byunk-building-agent-tools/manifest Signed lockfile GET /api/skills/byunk-building-agent-tools/lockfile

Test it

Using "building-agent-tools". Design a calendar scheduling tool for an agent.

Expected outcome:

Recommendation: use one scheduling operation that checks availability and creates the event.
Inputs: attendees, time range, duration, time zone, and optional location.
Response: confirmed time, attendee status, readable calendar names, and recovery guidance.

Using "building-agent-tools". Review separate project search, task search, and user search tools.

Expected outcome:

Keep clear service namespacing across the tool family.
Consolidate only operations that share a common agent workflow.
Add filters, pagination defaults, readable identifiers, and concise or detailed response options.

Security Audit

Safe

v9 • 7/23/2026 Open versioned report

All seven static findings are false positives caused by Markdown inline code or ordinary prose. The skill contains guidance only and does not execute commands, perform reconnaissance, access secrets, or attempt prompt injection.

Files scanned

Lines analyzed

Review items

False positives ignored

Risk Factors

⚙️ External commands (5)

SKILL.md:35 SKILL.md:39 SKILL.md:46 SKILL.md:73 SKILL.md:74

No confirmed security findings were detected by the latest completed static and semantic audit. This does not prove the skill has no side effects.

Audited by: codex View Audit History →

Share & cite this report

Share the versioned assessment report, neutral badge, embed card, and citations. Skillstore reports evidence without deciding whether this Skill is safe.

Open versioned report

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https://skillstore.io/skills/byunk-building-agent-tools/audits/9?utm_source=security_passport&utm_medium=share&utm_campaign=versioned_report

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Academic citations (APA · BibTeX · CFF)

APA citation

Byunk. (2026). building-agent-tools security audit report (audit version 9) [Author version unspecified]. Skillstore. https://skillstore.io/skills/byunk-building-agent-tools/audits/9

BibTeX citation

@techreport{byunk-byunk-building-agent-tools-2026,
  author = {Byunk},
  title = {building-agent-tools security audit report (audit version 9)},
  institution = {Skillstore},
  year = {2026},
  number = {9},
  url = {https://skillstore.io/skills/byunk-building-agent-tools/audits/9},
  note = {Author version unspecified}
}

CITATION.cff

cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "building-agent-tools security audit report (audit version 9)"
version: "unspecified"
type: report
authors:
  - name: "Byunk"
date-released: "2026-07-23"
url: "https://skillstore.io/skills/byunk-building-agent-tools/audits/9"
identifiers:
  - type: other
    value: "skillstore:byunk-building-agent-tools:audit:9"
    description: "Skillstore immutable audit report identifier"

Skillstore Score

Why this score Evidence Confidence: High

Architecture

Maintainability

Content

Community

Spec Compliance

What You Can Build

Design Agent APIs

Plan consolidated API operations with clear parameters, meaningful responses, and predictable recovery paths.

Structure MCP Tools

Create namespaced MCP tool families with descriptive schemas and explicit required fields.

Improve Tool Catalogs

Review existing tools for redundant calls, excessive output, vague descriptions, and unusable identifiers.

Try These Prompts

Outline a New Tool

Review this proposed agent tool: [description]. Define its purpose, users, core operation, parameters, and expected response. Keep the design concise.

Review a Tool Interface

Evaluate this tool interface: [interface details]. Identify unclear names, missing constraints, weak defaults, raw identifiers, and response fields that waste tokens.

Consolidate a Tool Family

Analyze these related tools: [tool list]. Propose a smaller namespaced set that supports common workflows with fewer calls and clear operation boundaries.

Optimize an Agent Workflow

Redesign [interface and workflow] for agent reliability. Include pagination, filtering, response detail options, semantic identifiers, actionable errors, and a realistic validation plan.

Best Practices

Test designs with complete agent workflows, including errors and follow-up actions.
Return enough context for the next decision while limiting unnecessary fields.
Use consistent names, parameter constraints, defaults, and response conventions across each tool family.

Avoid

Do not create many single-purpose tools when one coherent operation supports the common workflow.
Do not return raw identifiers or large unfiltered datasets without useful context.
Do not use vague descriptions or errors that leave the agent without a recovery path.

Frequently Asked Questions

Does this skill generate MCP server code?

No. It provides design principles and review guidance for tool interfaces and responses.

Can I use it for non-MCP APIs?

Yes. The naming, consolidation, response, pagination, and error guidance applies to most agent-facing APIs.

How does it reduce token usage?

It recommends filtering, pagination, intelligent truncation, structured responses, and selectable response detail.

Does it cover tool security?

No. Add separate reviews for authentication, authorization, input validation, data exposure, and operational controls.

Should every related operation become one tool?

No. Consolidate operations that support one common workflow while preserving clear and predictable boundaries.

How should I validate a design?

Test realistic agent workflows, measure response size, inspect errors, and confirm that outputs support the next action.

Developer Details

Author

Byunk

License

MIT

Skillstore revision

Version notice

The author did not declare a version.

Repository

https://github.com/Byunk/claude-code-essentials/tree/main/essentials/skills/building-agent-tools

Ref

a39a91716eadede5f4cdefd78178fed4e837a128

Maintenance freshness

7/24/2026

Usage

3 downloads · 174 views

File structure

📄 SKILL.md