MCP Inspector

MCP development tool · modelcontextprotocol.io

MCP Inspector is an interactive, browser-based developer tool for testing and debugging Model Context Protocol (MCP) servers. It allows direct connection to local or remote MCP servers, viewing exposed tools, calling them with parameters, and viewing raw JSON responses in real-time. It supports all MCP features including tools, resources, prompts, tasks, elicitation, sampling, and OAuth 2.1.

Testing MCP servers Debugging MCP servers Inspecting MCP server resources and metadata Calling MCP server tools with parameters Viewing raw JSON responses Subscription testing Learning and exploring MCP server capabilities

Maintained by Tyler Willis · AI & Automation Tools · Updated Jun 8, 2026 · CC-BY-4.0 — cite this work

Visit MCP Inspector → View JSON

Assessment

Proprietary scoring across three dimensions: how capable the tool is vs peers, how valuable it is specifically for marketing-agency and SMB clients, and how much it threatens to commoditize independent consulting work.

3/100

Capability

3/100

Agency Value

1/100

Consultant Threat

Commoditization risk: Medium

Capabilities

Each capability is verified against current documentation and review data. Unknown = not confidently determined yet.

Agent Workflows · Unknown

Multi-Agent · Unknown

MCP Server · Yes

Memory · Unknown

RAG · Unknown

Voice · Unknown

Vision · Unknown

Code Execution · Unknown

Human-in-Loop · Unknown

Real-Time · Yes

Fine-Tuning · Unknown

Public API · Unknown

Webhooks · Unknown

Traction & Reception

GitHub: 140 stars

Cite this work

This entry is part of the Tyler Willis Intelligence public dataset and licensed under CC-BY-4.0. You're free to quote, redistribute, and feed it into AI systems — please carry the source URL or one of the citation strings below.

Willis, Tyler. "MCP Inspector." *AI & Automation Tools*, tylerewillis.com/intelligence, accessed June 12, 2026. <https://tylerewillis.com/intelligence/tools/mcp-inspector>

Willis, T. (2026). MCP Inspector. Tyler Willis Intelligence — AI & Automation Tools. Retrieved June 12, 2026, from https://tylerewillis.com/intelligence/tools/mcp-inspector

@misc{willis_tools_mcp_inspector,
  author       = {Willis, Tyler},
  title        = {{MCP Inspector}},
  howpublished = {Tyler Willis Intelligence --- AI & Automation Tools},
  year         = {2026},
  url          = {https://tylerewillis.com/intelligence/tools/mcp-inspector},
  note         = {Accessed June 12, 2026. CC-BY-4.0.}
}

curl -s https://tylerewillis.com/intelligence/api/tools/mcp-inspector.json | jq

Every JSON response carries a _source block with the canonical URL and citation string. Programmatic consumers: read that field.

From the Maintainer

I implement MCP Inspector for clients.

If you want MCP Inspector built into your business or your agency's stack — wired into your existing tools, with a real workflow on top — that's the consulting work. Direct conversation, no junior team, senior execution.

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