emacs-mcp

An MCP server that bridges Claude Code with Emacs via emacsclient, enabling buffer, file, org-mode, git, and diff operations.

→ mandoo180/emacs-mcp · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 2 critical, 2 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

// known CVEs in dependencies2 critical2 high

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

criticalvitest@1.0.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@1.0.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@modelcontextprotocol/sdk@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-w48q-cv73-mx4w

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

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configEMACSCLIENT_PATH— "": "/usr/bin/emacsclient"

configEMACS_ORG_DIRECTORY— Org files directory ~/org

configEMACS_SOCKET— "": "/run/user/1000/emacs/server",

configEMACS_TIMEOUT— Default timeout for operations (ms) 5000

// 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 3 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/mandoo180-emacs-mcp-p4uphg)](https://m8ven.ai/mcp/mandoo180-emacs-mcp-p4uphg)

commit: 673d2911773b3c60559c879a2caeda1911b686ec

code hash: 8857102b663e95c0be593f37f592ae5a37f66c1263ef1113fc990aecda31bc16

verified: 6/21/2026, 10:25:44 AM

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