A MCP server that is a locally running knowledge base with a hybrid vector and graph RAG engine using LightRAG
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add knowledge --env CONFIG_PATH='<CONFIG_PATH>' -- uvx knowledge-mcp --config '<absolute-path-to-your-config.yaml>' mcp~/.codex/config.toml
[mcp_servers.knowledge]
command = "uvx"
args = ["knowledge-mcp", "--config", "<absolute-path-to-your-config.yaml>", "mcp"]
env = { CONFIG_PATH = "<CONFIG_PATH>" }
# codex mcp add knowledge --env CONFIG_PATH='<CONFIG_PATH>' -- uvx knowledge-mcp --config '<absolute-path-to-your-config.yaml>' mcp~/.cursor/mcp.json
{
"mcpServers": {
"knowledge": {
"command": "uvx",
"args": [
"knowledge-mcp",
"--config",
"<absolute-path-to-your-config.yaml>",
"mcp"
],
"env": {
"CONFIG_PATH": "<CONFIG_PATH>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"knowledge": {
"type": "stdio",
"command": "uvx",
"args": [
"knowledge-mcp",
"--config",
"<absolute-path-to-your-config.yaml>",
"mcp"
],
"env": {
"CONFIG_PATH": "<CONFIG_PATH>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"knowledge": {
"command": "uvx",
"args": [
"knowledge-mcp",
"--config",
"<absolute-path-to-your-config.yaml>",
"mcp"
],
"env": {
"CONFIG_PATH": "<CONFIG_PATH>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"knowledge": {
"command": "uvx",
"args": [
"knowledge-mcp",
"--config",
"<absolute-path-to-your-config.yaml>",
"mcp"
],
"env": {
"CONFIG_PATH": "<CONFIG_PATH>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"knowledge": {
"command": "uvx",
"args": [
"knowledge-mcp",
"--config",
"<absolute-path-to-your-config.yaml>",
"mcp"
],
"env": {
"CONFIG_PATH": "<CONFIG_PATH>"
}
}
}
}Environment variables
CONFIG_PATH
Replace the placeholders with your own credentials and keep them out of version control.