parameterized-skill

parameterized-skill is a skill for Claude Code, Codex from agentfront/frontmcp. It costs 21 tokens per session (801 once invoked), scanned A, original, Apache-2.0.

A skill format with customizable settings, examples, and rules controlling which parts of its guidance are visible or used.

In plain words
What is it for?
It is for defining reusable, configurable guidance with example uses and optional parameters.
Why use it?
It lets one set of instructions adapt to different situations, such as API styles or authentication requirements.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It is for defining reusable, configurable guidance with example uses and optional parameters.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/agentfront/frontmcp/parameterized
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add agentfront/frontmcp --skill parameterized
Clone the repo
git clone --depth 1 https://github.com/agentfront/frontmcp

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for parameterized-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/agentfront/frontmcp/parameterized/github.svg)](https://agentmods.dev/skills/agentfront/frontmcp/parameterized)
Your own site
<a href="https://agentmods.dev/skills/agentfront/frontmcp/parameterized"><img src="https://agentmods.dev/badge/skills/agentfront/frontmcp/parameterized/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for parameterized-skill

Your own site · 80×15
<a href="https://agentmods.dev/skills/agentfront/frontmcp/parameterized"><img src="https://agentmods.dev/badge/skills/agentfront/frontmcp/parameterized.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 21 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 801 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00021 $0.00801
Opus 5.5 $0.00008 $0.00320
Sonnet 5.5 $0.00004 $0.00160
Haiku 4.5 $0.00002 $0.00080

Measured 1mo ago against content hash 8456ba4366ac, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

parameterized-skill scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

libs/skills/catalog/frontmcp-development/examples/create-skill/parameterized-skill.md · 97 lines

How it starts

The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Parameterized Skill with Examples and Visibility

A skill with customizable parameters, usage examples for AI guidance, and controlled visibility.

Code

// src/skills/api-design-guide.skill.ts
import { Skill, SkillContext } from '@frontmcp/sdk';

@Skill({
  name: 'api-design-guide',
  description: 'REST API design guidelines',
  instructions: `# API Design Guide

Design APIs following these conventions.
Adapt the versioning strategy based on the api-style parameter.
Use the auth-required parameter to determine if authentication sections apply.`,
  parameters: [
    { name: 'api-style', description: 'API style to follow', type: 'string', default: 'rest' },
    { name: 'auth-required', description: 'Whether to include auth guidelines', type: 'boolean', default: true },
    { name: 'version-strategy', description: 'API versioning approach', type: 'string', default: 'url-path' },
  ],
  examples: [
    {
      scenario: 'Adding error handling to a new API endpoint',
      expectedOutcome:
        'Endpoint uses specific error classes with MCP error codes, validates input, and returns structured error responses',
    },
    {
      scenario: 'Refactoring try-catch blocks in existing code',
      expectedOutcome: 'Generic catches replaced with specific error types, proper error propagation chain established',
    },
  ],
  tags: ['api', 'design', 'standards'],
  visibility: 'both',
})
class ApiDesignGuideSkill extends SkillContext {}
// src/skills/internal-runbook.skill.ts
import { Skill, SkillContext } from '@frontmcp/sdk';

@Skill({
  name: 'internal-runbook',
  description: 'Internal operations runbook',
  instructions: `# Operations Runbook

## Incident Response
1. Check monitoring dashboards
2. Identify affected services
3. Escalate if severity is P0 or P1`,
  visibility: 'mcp', // Only visible to MCP clients, not HTTP discovery
})
class InternalRunbookSkill extends SkillContext {}
// src/skills/admin-procedures.skill.ts
import { Skill, SkillContext } from '@frontmcp/sdk';

@Skill({
  name: 'admin-procedures',
  description: 'Administrative procedures for internal use',
  instructions: '...',
  hideFromDiscovery: true, // Registered but hidden from listing endpoints
})
class AdminProceduresSkill extends SkillContext {}

Read the full file on GitHub · 97 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 97 lines · 21 tokens per session scan A 8456ba4366ac

Subscribe to this mod's changes

parameterized-skill is a skill published in the GitHub repository agentfront/frontmcp (147 stars, last pushed today), licensed Apache-2.0. It adds 21 tokens to every session and 801 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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