FIVE Character Engine
Quality Score
75
/100
LLM character consistency engine — JSON personality/style constraints. Paid API ($1/call).
§01 Install
Claude Desktop (uvx)
{
"mcpServers": {
"five-mcp": {
"command": "uvx",
"args": [
"five-mcp"
],
"env": {
"FIVE_API_KEY": "<five_api_key>"
}
}
}
}§02 Environment variables
FIVE_API_KEYYour FIVE Character Engine API key (five_sk_xxx). Get one at https://fiveengine.dev
§03 MCP Quality Score · methodology
freshness
25
completeness
10
installability
25
documentation
10
stability
5
§04 Alternatives in AI & LLMs
OpenAI Tools MCP Server
ai.com.mcp/openai-tools
Focused MCP server for OpenAI image/audio generation (v2.0.0). Wraps endpoints via HAPI CLI.
ai.llmse/mcp
ai.llmse/mcp
Public MCP server for the LLM Search Engine
ai.nudg3/brand-intelligence
ai.nudg3/brand-intelligence
Query your Nudg3 brand visibility across ChatGPT, Claude, Gemini, AI Overviews, and Perplexity.