MCP Simple Openai Assistant vs Promptheus
A side-by-side look at the MCP Simple Openai Assistant and Promptheus MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Simple Openai Assistant for conversational ai work as a local process; choose Promptheus 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 MCP Simple Openai Assistant 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:
OPENAI_API_KEY. - You want tools like
create_assistant, list_assistants, retrieve_assistant.
Choose Promptheus when
- You need dedicated capabilities in the Conversational AI domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
GOOGLE_API_KEY, ANTHROPIC_API_KEY, OPENAI_API_KEY, GROQ_API_KEY, DASHSCOPE_API_KEY, ZHIPUAI_API_KEY, OPENROUTER_API_KEY. - You want tools like
refine_prompt, tweak_prompt, list_models.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Conversational AI | Conversational AI |
| Quality signal | 52/100 · Good | 55/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | API key required | Not declared |
| Pricing | BYOK (pay the provider) | Not declared |
| Required env vars | OPENAI_API_KEY | GOOGLE_API_KEYANTHROPIC_API_KEYOPENAI_API_KEYGROQ_API_KEYDASHSCOPE_API_KEYZHIPUAI_API_KEYOPENROUTER_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 39 | 17 |
| Directory activity | 3 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 8 | 5 |
| Full listing | View MCP Simple Openai Assistant | View Promptheus |
Tools & capabilities
MCP Simple Openai Assistant tools 8
create_assistantlist_assistantsretrieve_assistantupdate_assistantcreate_new_assistant_threadlist_threadsdelete_threadask_assistant_in_thread
Promptheus tools 5
refine_promptIntelligent prompt refinement with optional clarification questions.tweak_promptApply targeted modifications to existing prompts.list_modelsDiscover available models from configured providers.list_providersCheck provider configuration status.validate_environmentTest environment configuration and API connectivity.
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.
MCP Simple Openai Assistant
{
"mcpServers": {
"andybrandt-mcp-simple-openai-assistant": {
"command": "uvx",
"args": [
"mcp-simple-openai-assistant"
],
"env": {
"OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE"
}
}
}
}
Promptheus
{
"mcpServers": {
"promptheus": {
"command": "uvx",
"args": [
"promptheus"
],
"env": {
"GOOGLE_API_KEY": "YOUR_GOOGLE_API_KEY_HERE",
"ANTHROPIC_API_KEY": "YOUR_ANTHROPIC_API_KEY_HERE",
"OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
"GROQ_API_KEY": "YOUR_GROQ_API_KEY_HERE",
"DASHSCOPE_API_KEY": "YOUR_DASHSCOPE_API_KEY_HERE",
"ZHIPUAI_API_KEY": "YOUR_ZHIPUAI_API_KEY_HERE",
"OPENROUTER_API_KEY": "YOUR_OPENROUTER_API_KEY_HERE"
}
}
}
}
Frequently asked questions
MCP Simple Openai Assistant is categorized under Conversational AI and uses a local stdio subprocess. Promptheus belongs to Conversational AI and uses a local stdio subprocess. Pick MCP Simple Openai Assistant for conversational ai work and Promptheus 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.
MCP Simple Openai Assistant is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. Promptheus 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 andybrandt-mcp-simple-openai-assistant and promptheus as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Simple Openai Assistant has a quality signal of 52/100 (Good) with 3 views, 0 installs and 39 GitHub stars. Promptheus has 55/100 (Good) with 0 views, 0 installs and 17 GitHub stars.
