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Diagram comparing MCP connectors and Agent Skills around an AI agent

Marketplace

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MCP connectors, skills and agents

The i2Business catalog of AI resources. Filter by type or search for a keyword to find the right building block for your needs.

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Guide

Skills, agents and MCP connectors: which one to choose?

These building blocks extend Claude, Anthropic's AI assistant. They work together: an agent can rely on a skill, which itself reads your data through an MCP connector, and a plugin bundles them into a single pack.

Skills

A ready-to-use business recipe: instructions, templates and scripts that Claude loads automatically when your request matches.

When to use it: for a repetitive task with a well-defined result (report, dashboard, email, audit).

Install

  1. Download the .zip file.
  2. Claude (web or desktop): Settings → Capabilities → Skills → “Upload skill”.
  3. Claude Code: unzip it into ~/.claude/skills/.

Test

Make a request that matches the skill's description: Claude says it is using it. In Claude Code, you can also type /skill-name.

Agents

A specialized autonomous assistant that chains research and actions over several steps, then hands you a report.

When to use it: for an open-ended mission that requires exploring, comparing and reasoning before concluding.

Install

  1. Download the .md file.
  2. Copy it into ~/.claude/agents/ (Claude Code).
  3. Restart the session, then type /agents to see it listed.

Test

Ask “use the <name> agent to…” with a short task and check the report.

MCP

A connector that gives Claude secure access to your tools and data: ERP, email, payroll…

When to use it: when Claude needs to read or update your business data rather than files uploaded by hand.

Install

  1. A consultant sets up the access and permissions with you.
  2. Claude: Settings → Connectors → “Add custom connector”.
  3. Claude Code: the claude mcp add command.

Test

Ask a question that requires your data: Claude should call the connector and cite what it retrieved.

Plugins

A ready-to-install pack that bundles several agents and skills around the same business function.

When to use it: to equip Claude with a complete set in a single install, especially in Cowork.

Install

  1. Download the .zip file.
  2. Cowork (Claude desktop): import the .zip from plugin management.
  3. Claude Code: unzip it, then use /plugin to add it (or copy the agents/ folder into ~/.claude/agents/).

Test

Make a request that matches one of the pack's agents: Claude says it is using it.

Requirements: a Claude account (Pro, Max, Team or Enterprise plan) or Claude Code. Resources are provided as is; always review what a skill or an agent produces before sending or using it.

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