Anthropic created the MCP protocol — Claude has the deepest, most native MCP integration of any AI platform
Powerful features when you connect Claude to MCP Bundles
The Model Context Protocol was designed and open-sourced by Anthropic in late 2024. Claude isn't just compatible with MCP — it's the platform MCP was built for. Every MCP feature, from tool calling to resource access to prompt templates, was designed with Claude's architecture in mind. This means Claude handles MCP tools with fewer errors, better context management, and more natural multi-step workflows than any other AI platform.
Get Claude connected to your tools in 3 minutes
Updated May 2026: The remote MCP URL is now the recommended install path. It supports Claude Desktop's native OAuth sign-in, rotates credentials without reinstalling, and uses the same URL across every MCP client. The .mcpb one-click installer is still supported below as a fallback.
Prefer editing config directly? Add this to your Claude Desktop claude_desktop_config.json:
{
"mcpServers": {
"claude-mcp-server": {
"url": "https://mcp.mcpbundles.com/bundle/your-bundle-slug"
}
}
}.mcpb one-click installerDownload a .mcpb file and double-click to install in Claude Desktop. Auth uses a pasted API key — rotating credentials means downloading a fresh installer.
.mcpb file.When you connect Claude to an MCP server, Claude discovers available tools automatically. You don't need to describe tools manually or write custom prompts — Claude reads each tool's schema and knows how to call it with the right parameters.
For example, connecting a HubSpot bundle means Claude can search contacts, create deals, update pipeline stages, and pull reports — all through natural conversation. Claude handles parameter formatting, error recovery, and multi-step orchestration internally.
Anthropic designed MCP specifically for how Claude processes tool calls. Three architectural advantages set Claude apart:
Structured tool calling. Claude's function calling is deterministic — it generates well-formed JSON parameters that match tool schemas precisely. This means fewer failed tool calls and less retry overhead compared to other AI platforms.
Safety-first execution. Claude validates inputs before every tool call and flags operations that could have unintended side effects (like deleting records or sending emails). You stay in control of destructive actions.
Long context reasoning. With 200K tokens of context, Claude can hold results from multiple tool calls in memory simultaneously. This enables workflows like "pull Q4 sales from HubSpot, compare against Stripe revenue, and draft a board report" — all in one conversation.
Connect CRM, billing, and analytics tools. Ask Claude to identify at-risk accounts by cross-referencing support tickets with payment history, or to build pipeline reports that combine data from multiple sources.
Connect GitHub, Jira, PostgreSQL, and monitoring tools. Claude can review pull requests, update tickets, run database queries, and correlate deployment logs — all through natural language.
Connect email platforms, ad networks, and analytics dashboards. Have Claude analyze campaign performance across channels, identify winning segments, and draft optimization recommendations.
Connect knowledge bases, document stores, and external APIs. Claude can synthesize information from multiple sources into structured reports, technical documentation, or competitive analyses.
MCP Bundles encrypts all credentials at rest using Fernet symmetric encryption. OAuth tokens are refreshed automatically. Claude never sees raw credentials — the MCP server injects authentication headers on each API call. Full audit logs track every tool execution with timestamps, parameters, and results.
The configuration file must be valid JSON at ~/.claude/claude_desktop_config.json. After editing, restart Claude Desktop for changes to take effect.
Confirm the MCP server URL is reachable. If using MCP Bundles, ensure at least one bundle is enabled in your workspace and credentials are configured for the providers you want to use.
OAuth tokens expire periodically. Reconnect the provider in your MCP Bundles dashboard to refresh credentials. API key credentials do not expire unless revoked at the provider.
Claude MCP is Claude's built-in support for the Model Context Protocol (MCP), an open standard created by Anthropic that lets AI assistants connect to external tools and data sources. With MCP, Claude can interact with CRMs, databases, email, code repositories, and hundreds of other services through a standardized interface.
Install Claude Desktop, then add an MCP server to your configuration file at ~/.claude/claude_desktop_config.json. With MCP Bundles, you get a single server URL that connects Claude to 500+ pre-authenticated providers — no per-tool setup required. The entire process takes about 3 minutes.
Claude Desktop is free to download and includes MCP support. MCP Bundles offers a free tier with access to tool bundles. Some third-party providers may require their own API keys or subscriptions.
Through MCP Bundles, Claude can access 10,000+ tools across 500+ providers including HubSpot, Stripe, GitHub, PostgreSQL, Gmail, Slack, Jira, and many more. Tools span categories like CRM, payments, DevOps, databases, marketing, and analytics.
Claude Desktop is a GUI application for macOS and Windows with visual MCP tool integration. Claude Code is a terminal-based CLI for developers that supports MCP servers alongside repository-wide code context. Both connect to the same MCP servers and tools.