Any Chat Completions MCP vs MCP Server

A side-by-side look at the Any Chat Completions MCP and MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Any Chat Completions MCP logoAny Chat Completions MCPConversational AI · Remote HTTP/SSEChat with any other OpenAI SDK Compatible Chat Completions API, like Perplexity, Groq, xAI and more53GoodAuth: api key requiredMCP Server logoMCP ServerConversational AI · Local subprocess (stdio)Build AI voice assistants and phone agents with Vapi through the Model Context Protocol68GreatAuth: api key required

Verdict: choose Any Chat Completions MCP for conversational ai work over a hosted endpoint; choose MCP Server 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?

Any Chat Completions MCP logoChoose Any Chat Completions MCP when

  • You need dedicated capabilities in the Conversational AI domain.
  • You prefer a remote HTTP/SSE transport.
  • Its auth model fits you: API key required.
  • You have the keys it needs: AI_CHAT_KEY, AI_CHAT_NAME, AI_CHAT_MODEL, AI_CHAT_BASE_URL.
Explore Any Chat Completions MCP

MCP Server logoChoose MCP Server when

  • You need dedicated capabilities in the Conversational AI domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: API key required.
  • You have the keys it needs: VAPI_TOKEN.
  • You want tools like list_assistants, create_assistant, get_assistant.
Explore MCP Server

Feature & specification comparison

Rows where the two servers differ are marked.

SpecAny Chat Completions MCP logoAny Chat Completions MCPMCP Server logoMCP Server
CategoryConversational AIConversational AI
Quality signal53/100 · Good68/100 · Great
Install commandConfirmedConfirmed
TransportRemote HTTP/SSELocal subprocess (stdio)
AuthAPI key requiredAPI key required
PricingBYOK (pay the provider)BYOK (pay the provider)
Required env varsAI_CHAT_KEYAI_CHAT_NAMEAI_CHAT_MODELAI_CHAT_BASE_URLVAPI_TOKEN
Verified ownerCommunity listingCommunity listing
GitHub stars16558
Directory activity 9 views 0 installs 0 upvotes 2 views 0 installs 0 upvotes
ToolsNot listed13

Tools & capabilities

Any Chat Completions MCP tools

No tool names declared yet. Check the project README from the listing page.

MCP Server tools 13

  • list_assistantsLists all Vapi assistants
  • create_assistantCreates a new Vapi assistant
  • get_assistantGets a Vapi assistant by ID
  • update_assistantUpdates an existing Vapi assistant
  • list_callsLists all Vapi calls
  • create_callCreates a outbound call
  • get_callGets details of a specific call
  • list_phone_numbersLists all Vapi phone numbers
  • get_phone_numberGets details of a specific phone number
  • list_toolsLists all Vapi tools
  • get_toolGets details of a specific tool
  • create_toolCreates a new Vapi tool
  • +1 more on 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.

Any Chat Completions MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "pyroprompts-any-chat-completions-mcp": {
      "command": "uvx",
      "args": [
        "pyroprompts-any-chat-completions-mcp"
      ],
      "env": {
        "AI_CHAT_KEY": "YOUR_AI_CHAT_KEY_HERE",
        "AI_CHAT_NAME": "YOUR_AI_CHAT_NAME_HERE",
        "AI_CHAT_MODEL": "YOUR_AI_CHAT_MODEL_HERE",
        "AI_CHAT_BASE_URL": "YOUR_AI_CHAT_BASE_URL_HERE"
      }
    }
  }
}

MCP Server

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "vapi-ai-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@vapi-ai/mcp-server"
      ],
      "env": {
        "VAPI_TOKEN": "YOUR_VAPI_TOKEN_HERE"
      }
    }
  }
}

Frequently asked questions

Any Chat Completions MCP is categorized under Conversational AI and uses a remote HTTP/SSE transport. MCP Server belongs to Conversational AI and uses a local stdio subprocess. Pick Any Chat Completions MCP for conversational ai work and MCP Server 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.

Any Chat Completions MCP is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. MCP Server is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. 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 pyroprompts-any-chat-completions-mcp and vapi-ai-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Any Chat Completions MCP has a quality signal of 53/100 (Good) with 9 views, 0 installs and 165 GitHub stars. MCP Server has 68/100 (Great) with 2 views, 0 installs and 58 GitHub stars.