Gateway Information Group

Agent connections

MCP Inspector

Test and debug an MCP server's connection and exposed capabilities using the reference browser, command-line or terminal developer clients.

Provider: Model Context Protocol project. Editorial listing by Gateway; not an owner claim.

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Best suited to
Checking an MCP service's discoverable capabilities before publishing it
Owner next step
Review the current runtime and release requirements, then test your own server's advertised tools and authentication before sharing its discovery page.
Access
Local Node.js setup and authorization for the server and operations being tested
Cost
Free. Free open-source developer tooling; local setup and runtime requirements apply. Connected services retain their own permissions and charges; testing can execute server tools.
Interfaces
Website · MCP
Source evidence
Official public source · checked 2026-10-18. This is a description review, not an execution or compatibility test.
Traffic and availability
Not monitored. Bot visits, citations, uptime and successful delivery have not been measured by this directory.

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