What is MCP Inspector?
MCP Inspector is listed under MCP Ecosystem, in the AI Agents & Automation category on Flocci AI Tools. Visual testing and debugging tool for MCP servers. It is free, with no paid plan attached, and it lives at github.com.
What MCP Inspector does
- Visual testing and debugging tool for MCP servers
- Call tools, browse resources and view logs interactively
- Runs locally via npx
MCP Inspector — straight answers
Is MCP Inspector free?
MCP Inspector is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 397 entries on Flocci AI Tools with no upgrade path built in.
Can I use MCP Inspector in a browser, or is there an app?
MCP Inspector needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on the command line and self-hosting.
What can MCP Inspector do?
MCP Inspector does 3 things the catalog singles out: Visual testing and debugging tool for mcp servers; call tools, browse resources and view logs interactively; runs locally via npx.
What is the best free alternative to MCP Inspector?
MCP Registry (Official) is the closest free alternative: it sits in the same MCP Ecosystem sub-category and is free. Agent2Agent (A2A) Protocol, FastMCP and GitHub MCP Server also start free. The full list is on the alternatives page.
See the full list →MCP Inspector alternatives
Compare all alternatives →Smithery
MCP Ecosystem
- Marketplace of 14,000+ hosted MCP servers with one-click connect
- Handles OAuth/credential plumbing automatically for MCP tool auth
- Connections reusable across Claude, GPT and other MCP clients
Composio
MCP Ecosystem
- Managed auth + tool-call infrastructure for agents across 250+ apps
- Free tier: 20,000 tool calls/month with community support
- Ships both MCP servers and native SDKs for major agent frameworks
Glama
MCP Ecosystem
- Indexes and security-scans thousands of MCP servers for compatibility/safety
- API gateway for connecting to MCP servers programmatically
- Free account tier plus paid gateway/enterprise options
Cloudflare MCP
MCP Ecosystem
- Build and deploy remote MCP servers directly on Cloudflare Workers with built-in OAuth
- Ships an Agents SDK for stateful, durable AI agents alongside MCP hosting
- Runs on Cloudflare's free-tier-eligible Workers platform, scaling to global edge
MCP Registry (Official)
MCP Ecosystem
- The canonical open-source specification and docs for the Model Context Protocol
- Reference server/client SDKs and the official server registry
- Backed across the ecosystem — Claude, ChatGPT, VS Code, Cursor, MCPJam all implement it
Zapier MCP
MCP Ecosystem
- Turns any of Zapier's 9,000+ app integrations into callable MCP tools for any AI client
- Pre-authenticated connections avoid per-app OAuth setup for agent builders
- Included on all Zapier plans (including free), billed against existing task quota