A side-by-side look at the Grok Chat and OpenRouter MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Grok Chat for conversational ai work; choose OpenRouter for conversational ai as a local process. You can also run both side by side in one mcpServers block.
chat, chat_with_vision, chat_with_search.OPENROUTER_API_KEY.chat, generate_image, embed.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Conversational AI | Conversational AI |
| Quality signal | 43/100 · Fair | 49/100 · Fair |
| Install command | Not confirmed yet | Confirmed |
| Transport | — | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | OPENROUTER_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 1 |
| Directory activity | 0 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 17 | 5 |
| Full listing | View Grok Chat | View OpenRouter |
chatSend a chat completion request to Grok with optional multi-turn history, system prompt, structured output (JSON schema), model selection, and multi-agent researchchat_with_visionAnalyse an image with Grok's vision capabilities given an image URL and text promptchat_with_searchChat with Grok using live web search and/or X (Twitter) search to ground responsesembeddingGenerate text embeddings using Grok's embedding modellist_modelsList all available Grok models and their IDs (cached for 5 minutes)promptThe user message to sendmodelModel ID (default: `grok-4.3`). Call `list_models` for the current set.system_promptSystem prompt to set contextmessagesFull conversation history as JSON array of `{role, content}` objectstemperatureSampling temperature (0.0 - 2.0)max_tokensMaximum tokens to generateresponse_schemaJSON schema string to enforce structured outputchatSend a prompt or message list to an OpenRouter chat model.generate_imageGenerate one image and optionally save it to an absolute local path.embedGenerate embeddings for a string or list of strings.list_modelsList models, optionally filtered by `vision`, `image_gen`, `embedding`, `tools`, or `long_context`.find_modelsSearch model names and slugs, returning up to 20 matches.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.
No confirmed install command for Grok Chat yet — follow the setup steps linked from its listing page rather than a guessed package name.
{
"mcpServers": {
"openrouter-2": {
"command": "uvx",
"args": [
"mcp-openrouter"
],
"env": {
"OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY_HERE"
}
}
}
}