using-mcp-servers

using-mcp-servers is a skill for Claude Code, Codex from friday-platform/friday-studio. It costs 50 tokens per session (1,736 once invoked), scanned A, original, no licence file.

A guide to MCP servers, which provide extra tools or connections that an agent can use. It covers finding, installing, enabling, disabling, and removing those servers.

In plain words
What is it for?
Use it when setting up MCP servers, assigning work to them, or diagnosing why their tools cannot be called.
Why use it?
It helps resolve choices about which server to use and problems such as missing credentials, failed connections, or unclear tool names.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/friday-platform/friday-studio/using-mcp-servers
Any agent
npx skills add friday-platform/friday-studio --skill using-mcp-servers
Clone the repo
git clone --depth 1 https://github.com/friday-platform/friday-studio

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 using-mcp-servers

README.md
[![agentmods](https://agentmods.dev/badge/skills/friday-platform/friday-studio/using-mcp-servers.svg)](https://agentmods.dev/skills/friday-platform/friday-studio/using-mcp-servers)
Your own site
<a href="https://agentmods.dev/skills/friday-platform/friday-studio/using-mcp-servers"><img src="https://agentmods.dev/badge/skills/friday-platform/friday-studio/using-mcp-servers.svg" alt="Measured on agentmods" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,736 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin unknown 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 $0.00050 $0.01736
Opus 5 $0.00025 $0.00868
Sonnet 5 $0.00010 $0.00347
Haiku 4.5 $0.00005 $0.00174

Measured 5d ago against content hash b804123addde, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

using-mcp-servers scanned grade A with 1 finding 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 5d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Never hand-edit `.env` files through `run_code` (curl/python/sed). It has
packages/system/skills/using-mcp-servers/SKILL.md · 113 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 5d ago First seen · 113 lines · 50 tokens per session scan A b804123addde

Subscribe to this mod's changes

using-mcp-servers is a skill published in the GitHub repository friday-platform/friday-studio (102 stars, last pushed 5d ago), with no licence file. It adds 50 tokens to every session and 1,736 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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