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.
npx skills add agentfront/frontmcp --skill parameterizedgit clone --depth 1 https://github.com/agentfront/frontmcpWrote 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.
[](https://agentmods.dev/skills/agentfront/frontmcp/parameterized)<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.
<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>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.
| Model | Per session | Once 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 |
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.
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 {}
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.
- 1mo ago First seen · 97 lines · 21 tokens per session scan A 8456ba4366ac
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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