# MCP Inspector

by [Model Context Protocol](/organizations/model-context-protocol/)

- **ID:** `f7f29f12-a1ba-46a5-8a53-c67bcc4ea4e1`
- **JSON API:** /api/v1/catalog/products/f7f29f12-a1ba-46a5-8a53-c67bcc4ea4e1/
- **Slug:** mcp-inspector
- **Product website:** https://github.com/modelcontextprotocol/inspector
- **Organization website:** https://github.com/modelcontextprotocol
- **Categories:** [Developer Infrastructure](/categories/developer-infrastructure/), [Developer Tools](/categories/developer-tools/)

## Description

The official interactive developer tool for testing and debugging MCP servers: call tools, read resources, run prompts, and watch raw protocol traffic, with Web, CLI, and TUI interfaces.

## AI-native score: Unrated

Research coverage is 38/100. An AI-native grade requires 40/100. The provisional breakdown below shows the AI-native signals recorded so far. The AI-native score measures agent-readiness and is not a substitute for your own security or vendor-risk review. See [methodology](/methodology/) for how coverage and the grade are computed.

| Component | Applies | Raw | Effective weight | Nominal weight | Contribution |
| --- | --- | --- | --- | --- | --- |
| Integration | Yes | 2/10 | 35% | 35% | 7.0 |
| Trust | Yes | 2/6 | 30% | 30% | 10.0 |
| Portability | Yes | 4/4 | 20% | 20% | 20.0 |
| Security | Yes | 0/4 | 15% | 15% | 0.0 |

- **Integration signals:** Command-line interface (+1); Agent skill (+1)
- **Trust signals:** Sandbox environment (yes, +2)
- **Portability signals:** Open standards (+1); No proprietary-SDK lock-in (+1); Self-hostable (+1); Open source (+1)

## Trust & Data Policy

- **WebMCP:** – No
- **Sandbox environment:** ✓ Yes
- **Open standards:** ✓ Yes
- **No proprietary-SDK lock-in:** ✓ Yes
- **Self-hostable:** ✓ Yes
- **Open source:** ✓ Yes
- **Not yet researched:** llms.txt, Headless signup, Multi-factor authentication, Zero data retention, No generative AI training, Hard budget caps, Data export, Data import, Standard protocol access, Documented provider swap
- **Source code:** https://github.com/modelcontextprotocol/inspector

## Confirmed absences

These decision fields were researched and confirmed absent — not available based on current evidence, until contrary information supersedes the finding. Each carries the check performed, the page checked, and the date, so you can act on the negative without repeating the research. A label-scoped absence applies only to its label (e.g. no SOC 2 does not mean no certifications).

- **A2A servers** — confirmed absent (whole field), checked 2026-10-14. Checked the official project README, supported interfaces and complete documentation index for an Agent2Agent protocol server or Agent Card; none is documented. Source: https://github.com/modelcontextprotocol/inspector
- **Trust center URL** — confirmed absent (whole field), checked 2026-10-14. Checked the official project README and documentation index for a product trust center or security assurance portal; none is linked. Source: https://github.com/modelcontextprotocol/inspector
- **Web-MCP** — confirmed absent (whole field), checked 2026-10-14. Checked the official project README, client interfaces and documentation index for browser WebMCP modelContext registration support; none is documented. Source: https://github.com/modelcontextprotocol/inspector

## Security & Compliance

**Compliance certifications:** Not yet researched.
**Access controls:** Not yet researched.

## Capabilities

- **MCP Server Testing and Debugging** — Interactively call tools, read resources, run prompts, and inspect raw MCP protocol traffic.

## Jobs To Be Done

- **Test and debug an MCP server** — Verify an MCP server's tools, resources, and prompts behave correctly.

## Offers

No offers listed.

## Reviews

No approved reviews yet.

## Benchmarks

No benchmarks listed.

## Documentation

No documentation links listed.

## API Specs

Not yet researched.

## MCP Servers

Not yet researched.

## A2A Servers

Confirmed absent based on current evidence — no A2A servers. See Confirmed absences above for method, source, and date.

## Native Connectors

Not yet researched.

## Command-Line Interfaces

- [mcp-inspector](https://github.com/modelcontextprotocol/inspector) (`mcp-inspector-cli`)

## Developer Kits

Not yet researched.

## Agent Skills

- [mcpdo](https://raw.githubusercontent.com/modelcontextprotocol/inspector/main/skills/mcpdo/SKILL.md)
## Other products from Model Context Protocol

- [Official MCP Registry](/organizations/model-context-protocol/products/official-mcp-registry/) — Unrated. Shared category: Developer Infrastructure.


## Related products

- [Postmark](/organizations/postmark/products/postmark/) by Postmark — Tier B. Shared category: Developer Tools.
- [Sentry](/organizations/sentry/products/sentry-error-monitoring/) by Sentry — Tier B. Shared category: Developer Tools.
- [Pulumi](/organizations/pulumi/products/pulumi/) by Pulumi — Tier C. Shared category: Developer Infrastructure.
- [Speakeasy](/organizations/speakeasy/products/speakeasy/) by Speakeasy — Tier C. Shared category: Developer Tools.
- [Mailgun](/organizations/mailgun/products/mailgun/) by Mailgun — Tier C. Shared category: Developer Tools.
- [Brevo](/organizations/brevo/products/brevo/) by Brevo — Tier C. Shared category: Developer Tools.


## Add this badge to your site

Own this product? The Open Agent Guide badge links your site back to this directory listing. It makes no grade claim while this product is unrated, and updates on its own once enough is verified to assign a grade.

Badge image: https://www.openagentguide.com/organizations/model-context-protocol/products/mcp-inspector/badge.svg (seal), https://www.openagentguide.com/organizations/model-context-protocol/products/mcp-inspector/badge.svg?style=flat (flat). For the copy-paste HTML and Markdown embed code, open the badge panel on [this product's page](https://www.openagentguide.com/organizations/model-context-protocol/products/mcp-inspector/#badge-embed-heading). See [how scoring works](/methodology/).

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