Grok MCP vs Vox MCP
A side-by-side look at the Grok MCP and Vox MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Grok MCP for conversational ai work as a local process; choose Vox MCP for conversational ai as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Grok MCP when
- You need dedicated capabilities in the Conversational AI domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
XAI_API_KEY, GROK_MCP_TIMEOUT, GROK_MCP_PATH_SECRET. - You want tools like
grok_chat, grok_review, grok_consult.
Choose Vox MCP when
- You need dedicated capabilities in the Conversational AI domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
GEMINI_API_KEY, OPENAI_API_KEY, ANTHROPIC_API_KEY, XAI_API_KEY, DEEPSEEK_API_KEY, MOONSHOT_API_KEY, OPENROUTER_API_KEY, CUSTOM_API_URL.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Conversational AI | Conversational AI |
| Quality signal | 60/100 · Good | 40/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | XAI_API_KEYGROK_MCP_TIMEOUTGROK_MCP_PATH_SECRET | GEMINI_API_KEYOPENAI_API_KEYANTHROPIC_API_KEYXAI_API_KEYDEEPSEEK_API_KEYMOONSHOT_API_KEYOPENROUTER_API_KEYCUSTOM_API_URL |
| Verified owner | Community listing | Community listing |
| GitHub stars | 11 | 1 |
| Directory activity | 1 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 4 | Not listed |
| Full listing | View Grok MCP | View Vox MCP |
Tools & capabilities
Grok MCP tools 4
grok_chatSend a one-shot prompt to xAI Grok and return its reply. Stateless — for multi-turn use grok_consult.grok_reviewHave Grok review a git diff. If no diff is provided, runs `git diff <base_ref>...HEAD` (default base: main). Returns a per-dimension review. Use format='json' for CI gating (verdict + scores + blockers).grok_consultContinue a conversation with Grok by replaying the full message history each call. Stateless on the server side — the caller owns the thread.grok_challengeAsk Grok to adversarially break a piece of code: edge cases, race conditions, security holes, adversarial inputs. Returns severity-ranked issues with reproductions.
Vox MCP tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Grok MCP
{
"mcpServers": {
"grok-mcp": {
"command": "npx",
"args": [
"-y",
"grok-cli-mcp"
],
"env": {
"XAI_API_KEY": "YOUR_XAI_API_KEY_HERE",
"GROK_MCP_TIMEOUT": "YOUR_GROK_MCP_TIMEOUT_HERE",
"GROK_MCP_PATH_SECRET": "YOUR_GROK_MCP_PATH_SECRET_HERE"
}
}
}
}
Vox MCP
{
"mcpServers": {
"vox-mcp": {
"command": "uvx",
"args": [
"--refresh",
"vox-mcp"
],
"env": {
"GEMINI_API_KEY": "YOUR_GEMINI_API_KEY_HERE",
"OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
"ANTHROPIC_API_KEY": "YOUR_ANTHROPIC_API_KEY_HERE",
"XAI_API_KEY": "YOUR_XAI_API_KEY_HERE",
"DEEPSEEK_API_KEY": "YOUR_DEEPSEEK_API_KEY_HERE",
"MOONSHOT_API_KEY": "YOUR_MOONSHOT_API_KEY_HERE",
"OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY_HERE",
"CUSTOM_API_URL": "YOUR_CUSTOM_API_URL_HERE"
}
}
}
}
Frequently asked questions
Grok MCP is categorized under Conversational AI and uses a local stdio subprocess. Vox MCP belongs to Conversational AI and uses a local stdio subprocess. Pick Grok MCP for conversational ai work and Vox MCP for conversational ai.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Grok MCP has no declared pricing — check the project's own site. Vox MCP has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add grok-mcp and vox-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Grok MCP has a quality signal of 60/100 (Good) with 1 views, 0 installs and 11 GitHub stars. Vox MCP has 40/100 (Fair) with 1 views, 0 installs and 1 GitHub stars.