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CertScore.ai MCP Light

ai.certscore/mcp-light

by ai.certscore· v0.2.32Source: Official MCP Registry
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Findings

Detected by Squatch rules from the server's metadata and protocol behavior. Latest completed scan: .

Severity: Low2 findings

Severity: LowStatus: OpenSQ-CONFORMANCE-MODERN-FAILURE

Protocol conformance checks failed

The server failed one or more MCP protocol conformance checks.

First seen · Last seen

Suggested fix: Review the failed checks against the MCP specification.

Severity: LowStatus: OpenSQ-CONFORMANCE-INVALID-ITEMS

Items rejected by protocol validation

Some tools, resources or prompts returned by the server do not match the MCP schema.

First seen · Last seen

Suggested fix: Return items that validate against the MCP schema.

2 resolved or dismissed findings
Severity: HighStatus: ResolvedSQ-TOOL-EXFIL-DIRECTIVE

Asks the AI model to pass conversation data or secrets

Model-facing text instructs the AI model to place conversation content, prompts, tool history or secrets into tool arguments or external destinations.

First seen · Last seen

Suggested fix: Do not ask the model to include conversation, prompt or credential content in arguments.

Status history
  1. ResolvedSquatch
Severity: HighStatus: ResolvedSQ-SERVER-AUTH-NONE-WRITE

State-changing tools available without authentication

The remote server lists state-changing tools without requiring authentication.

First seen · Last seen

Suggested fix: Require MCP authorization for servers that expose state-changing tools.

Status history
  1. ResolvedSquatch

What this scan does not cover

  • Squatch never calls a server's tools, so it cannot see what they actually do at run time.
  • It scans without credentials: tools behind authentication may not be visible.
  • It does not review source code, dependencies or the publisher's infrastructure.
  • A server can change behavior between scans; monitoring compares each scan with the last.
  • Classifications come from tool names, descriptions and schemas, which the publisher controls.

How Squatch scans servers