Is "gasoline-agentic-browser" on MCP Registry Safe to Install?

brennhill · mcp · v0.8.1

Gasoline Agentic Browser is an AI Debugger, Inspector, and Observability toolkit. It acts as Chrome DevTools for AI Agents using the Model Context Protocol (MCP).

Risk Assessment

Analyzed
100
out of 100
CRITICAL

221 security findings detected across all analyzers

MCP server analyzed for tool poisoning, prompt injection, and data exfiltration

Severity Breakdown

8
Critical
117
High
63
Medium
0
Low
0
Info

Finding Categories

64
Malware Signatures
36
Secrets
38
IoC Indicators

YARA Rules Matched

10 rules(64 hits)
postinstall system command postinstall file manipulation postinstall obfuscation postinstall network communication UsingShellInterpreterWhenExecutingOSCommands credential env files postinstall file download postinstall persistence mechanism UsingCommandLineArguments postinstall registry modification

MCP Server Analysis

MCP servers expose tools and resources to AI assistants. Unlike browser extensions, they run as standalone processes with direct system access. Tool definitions are analyzed for prompt injection, data exfiltration, and tool poisoning patterns.

About This Extension

Gasoline Agentic Browser is an AI Debugger, Inspector, and Observability toolkit. It acts as Chrome DevTools for AI Agents using the Model Context Protocol (MCP).

Detailed Findings

183 total

YARA Rule Matches

10 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs
10
IP Addresses
1
Domains
27
Strings
38

All Indicators · 38

Domain
detected Domain: skill.id

XIOC detected Domain: skill.id

extracted_from_files

URL
detected URL: https://github.com/'))

XIOC detected URL: https://github.com/'))

extracted_from_files

URL
detected URL: https://raw.githubusercontent.com/$

XIOC detected URL: https://raw.githubusercontent.com/$

extracted_from_files

URL
detected URL: https://cookwithgasoline.com

XIOC detected URL: https://cookwithgasoline.com

extracted_from_files

URL
detected URL: https://github.com/',

XIOC detected URL: https://github.com/',

extracted_from_files

Domain
detected Domain: skill.md

XIOC detected Domain: skill.md

extracted_from_files

Domain
detected Domain: process.env.gh

XIOC detected Domain: process.env.gh

extracted_from_files

Domain
detected Domain: manifestskills.map

XIOC detected Domain: manifestskills.map

extracted_from_files

Domain
detected Domain: r.name

XIOC detected Domain: r.name

extracted_from_files

Domain
detected Domain: cookwithgasoline.com

XIOC detected Domain: cookwithgasoline.com

extracted_from_files

URL
detected URL: https://github.com/brennhill/gasoline-agentic-browser-devtools-mcp)

XIOC detected URL: https://github.com/brennhill/gasoline-agentic-browser-devtools-mcp)

extracted_from_files

IP
detected IP: 127.0.0.1

XIOC detected IP: 127.0.0.1

extracted_from_files

Domain
detected Domain: gasoline-22222.pid

XIOC detected Domain: gasoline-22222.pid

extracted_from_files

Domain
detected Domain: result.total

XIOC detected Domain: result.total

extracted_from_files

Domain
detected Domain: entry.name

XIOC detected Domain: entry.name

extracted_from_files

Domain
detected Domain: tool.name

XIOC detected Domain: tool.name

extracted_from_files

Domain
detected Domain: raw.githubusercontent.com

XIOC detected Domain: raw.githubusercontent.com

extracted_from_files

Domain
detected Domain: roots.map

XIOC detected Domain: roots.map

extracted_from_files

Domain
detected Domain: cursor.name

XIOC detected Domain: cursor.name

extracted_from_files

Domain
detected Domain: d.id

XIOC detected Domain: d.id

extracted_from_files

Domain
detected Domain: readresult.data

XIOC detected Domain: readresult.data

extracted_from_files

Domain
detected Domain: object.prototype.hasownproperty.call

XIOC detected Domain: object.prototype.hasownproperty.call

extracted_from_files

Domain
detected Domain: this.name

XIOC detected Domain: this.name

extracted_from_files

Domain
detected Domain: errors.map

XIOC detected Domain: errors.map

extracted_from_files

Domain
detected Domain: process.pid

XIOC detected Domain: process.pid

extracted_from_files

Domain
detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

Domain
detected Domain: index.md

XIOC detected Domain: index.md

extracted_from_files

Domain
detected Domain: def.name

XIOC detected Domain: def.name

extracted_from_files

Domain
detected Domain: err.name

XIOC detected Domain: err.name

extracted_from_files

Domain
detected Domain: def.id

XIOC detected Domain: def.id

extracted_from_files

Domain
detected Domain: definitions.map

XIOC detected Domain: definitions.map

extracted_from_files

Domain
detected Domain: c.id

XIOC detected Domain: c.id

extracted_from_files

URL
detected URL: https://github.com/owner/repo

XIOC detected URL: https://github.com/owner/repo

extracted_from_files

URL
detected URL: https://github.com/brennhill/gasoline-agentic-browser-devtools-mcp/issues)

XIOC detected URL: https://github.com/brennhill/gasoline-agentic-browser-devtools-mcp/issues)

extracted_from_files

URL
detected URL: https://github.com/brennhill/gasoline-skills/tree/main/skills

XIOC detected URL: https://github.com/brennhill/gasoline-skills/tree/main/skills

extracted_from_files

URL
detected URL: https://github.com/brennhill/gasoline-agentic-browser-devtools-mcp/issues

XIOC detected URL: https://github.com/brennhill/gasoline-agentic-browser-devtools-mcp/issues

extracted_from_files

URL
detected URL: https://github.com/brennhill/gasoline-agentic-browser-devtools-mcp

XIOC detected URL: https://github.com/brennhill/gasoline-agentic-browser-devtools-mcp

extracted_from_files

Domain
detected Domain: gasoline-7890.pid

XIOC detected Domain: gasoline-7890.pid

extracted_from_files

Security Analysis Summary

Security Analysis Overview

gasoline-agentic-browser is a mcp extension published by brennhill. Version 0.8.1 has been analyzed by the Risky Plugins security platform, receiving a risk score of 100/100 (CRITICAL risk) based on 221 security findings.

Risk Assessment

This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.

Findings Breakdown

  • Critical: 8 finding(s)
  • High: 117 finding(s)
  • Medium: 63 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

gasoline-agentic-browser is published by brennhill on the mcp marketplace.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Frequently Asked Questions