mcp

mcp is a command for Claude Code from appboypov/pew-pew-plaza-packs. It costs 0 tokens per session (649 once invoked), scanned A, original, MIT.

A command for installing and checking an MCP server. MCP is a standard way for an AI assistant to connect to external tools and services.

In plain words
What is it for?
Use it to add an MCP server, set its environment variables and connection method, verify that it connects, and document its available tools.
Why use it?
It organizes server settings, installation, connection checks, and usage notes in one process.

Command for Claude Code

Written for Claude Code: $ARGUMENTS substitution. Also seen: mentions Claude Code.

Good fit Use it to add an MCP server, set its environment variables and connection method, verify that it connects, and document its available tools.

Compare 6 commands from other repositories ↓
Install with agentmods
npx agentmods add commands/appboypov/pew-pew-plaza-packs/mcp
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.

Clone the repo
git clone --depth 1 https://github.com/appboypov/pew-pew-plaza-packs

Made for: Claude Code.

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 mcp

README.md
[![agentmods](https://agentmods.dev/badge/commands/appboypov/pew-pew-plaza-packs/mcp/github.svg)](https://agentmods.dev/commands/appboypov/pew-pew-plaza-packs/mcp)
Your own site
<a href="https://agentmods.dev/commands/appboypov/pew-pew-plaza-packs/mcp"><img src="https://agentmods.dev/badge/commands/appboypov/pew-pew-plaza-packs/mcp/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 mcp

Your own site · 80×15
<a href="https://agentmods.dev/commands/appboypov/pew-pew-plaza-packs/mcp"><img src="https://agentmods.dev/badge/commands/appboypov/pew-pew-plaza-packs/mcp.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 649 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 $0.00000 $0.00649
Opus 5 $0.00000 $0.00324
Sonnet 5 $0.00000 $0.00130
Haiku 4.5 $0.00000 $0.00065

Measured 9d ago against content hash c6f52cab911a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

mcp 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 9d 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.

.claude/commands/plx/add/mcp.md · 87 lines

What it actually says

Prompt Command

When this command is used, check if any required information is missing. If so, ask the user to provide it. Otherwise, proceed with the request.


Act as {{role}}.

  1. Determine installation parameters:

    • Server name (use kebab-case)
    • Scope (default to user for global availability)
    • Environment variables needed
    • Command and arguments
  2. Execute installation using appropriate command:

    • STDIO: claude mcp add -s user [server-name] -e [ENV_VARS] -- [command] [args]
    • SSE: claude mcp add -s user --transport sse [server-name] [url] --header "[headers]"
    • HTTP: claude mcp add -s user --transport http [server-name] [url] --header "[headers]"
  3. Verify installation:

    • Run: claude mcp list
    • Confirm server shows "✓ Connected"
    • Run: claude mcp get [server-name] for details
  4. Document usage:

    • Available tools and commands
    • Any special configuration needed
    • Optional enhancements (e.g., API tokens for rate limits)

<output_format>

  1. Server description and capabilities
  2. Installation command executed
  3. Verification results showing connection status
  4. Brief usage instructions
  5. Optional enhancements or configuration tips </output_format>

<error_handling>

  • Installation fails → Check command syntax and permissions
  • Server won't connect → Verify executable path and dependencies
  • Rate limited → Suggest adding authentication token
  • Windows errors → Ensure cmd /c wrapper for npx commands
  • Missing dependencies → Check npm/node installation </error_handling>

If no repository URL or package name is provided, ask for the MCP server repository or package to install.


role: @agents/claude/claude-code-mcp-specialist.md

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. 9d ago First seen · 87 lines · 0 tokens per session scan A c6f52cab911a

Subscribe to this mod's changes

mcp is a command published in the GitHub repository appboypov/pew-pew-plaza-packs (85 stars, last pushed 8mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 649 tokens. 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.