What is the FIVE Persona Engine MCP server?
160K deductive JSON persona constraints. Measured: 0 drift breaks in 120 turns (plain prompt: 8).
How to install FIVE Persona Engine
Copy-paste configuration for popular MCP clients.
FIVE_API_KEYYour FIVE Persona Engine API key (five_sk_xxx). Get one at https://fiveengine.dev
{
"mcpServers": {
"five-mcp": {
"command": "uvx",
"args": [
"five-mcp"
],
"env": {
"FIVE_API_KEY": "<YOUR_FIVE_API_KEY>"
}
}
}
}{
"mcpServers": {
"five-mcp": {
"command": "uvx",
"args": [
"five-mcp"
],
"env": {
"FIVE_API_KEY": "<YOUR_FIVE_API_KEY>"
}
}
}
}{
"mcpServers": {
"five-mcp": {
"command": "uvx",
"args": [
"five-mcp"
],
"env": {
"FIVE_API_KEY": "<YOUR_FIVE_API_KEY>"
}
}
}
}{
"servers": {
"five-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"five-mcp"
],
"env": {
"FIVE_API_KEY": "<YOUR_FIVE_API_KEY>"
}
}
}
}claude mcp add five-mcp --env FIVE_API_KEY=<YOUR_FIVE_API_KEY> -- uvx five-mcpRelated MCP servers
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