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glama

extensiondev/mcp

Provides 30 MCP tools for browser extension development, including scaffolding, running, debugging, inspecting, and publishing cross-browser extensions. It enables AI agents to interact with live browsers for debugging and development.

→ extensiondev/mcp· listed on glama
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// key findings
⚠️
Known vulnerabilities in dependencies: 4 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 1 credential: EXTENSION_DEV_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies4 high1 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highws@8.20.0GHSA-96hv-2xvq-fx4p

ws: Memory exhaustion DoS from tiny fragments and data chunks

lowws@8.20.0GHSA-58qx-3vcg-4xpx

ws: Uninitialized memory disclosure

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configEXTENSION_DEV_API_URL
configEXTENSION_DEV_GITHUB_CLIENT_ID
🔐 secretEXTENSION_DEV_TOKEN
configEXTENSION_HEADLESS
configEXTENSION_MCP_CLI_VERSION
configEXT_BROWSERS_CACHE_DIR
configGIT_ASKPASS
configGIT_TERMINAL_PROMPT
configXDG_CACHE_HOME
configXDG_CONFIG_HOME
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/extensiondev-mcp-9m6yki)](https://m8ven.ai/mcp/extensiondev-mcp-9m6yki)
commit: af25516b66160ae1ca774086299df6f8acd9522c
code hash: 85621a5be4316bebe036673b92f70938f2a4b9822868ca56986d49668b99a08b
verified: 7/21/2026, 9:26:41 AM
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