MCP server for Google's free public Knowledge Graph Search API - search for structured entity information about people, places, organizations, and concepts
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add google-knowledge-graph --env GOOGLE_KNOWLEDGE_GRAPH_API_KEY='<GOOGLE_KNOWLEDGE_GRAPH_API_KEY>' -- npx -y @houtini/google-knowledge-graph-mcp~/.codex/config.toml
[mcp_servers.google-knowledge-graph]
command = "npx"
args = ["-y", "@houtini/google-knowledge-graph-mcp"]
env = { GOOGLE_KNOWLEDGE_GRAPH_API_KEY = "<GOOGLE_KNOWLEDGE_GRAPH_API_KEY>" }
# codex mcp add google-knowledge-graph --env GOOGLE_KNOWLEDGE_GRAPH_API_KEY='<GOOGLE_KNOWLEDGE_GRAPH_API_KEY>' -- npx -y @houtini/google-knowledge-graph-mcp~/.cursor/mcp.json
{
"mcpServers": {
"google-knowledge-graph": {
"command": "npx",
"args": [
"-y",
"@houtini/google-knowledge-graph-mcp"
],
"env": {
"GOOGLE_KNOWLEDGE_GRAPH_API_KEY": "<GOOGLE_KNOWLEDGE_GRAPH_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"google-knowledge-graph": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@houtini/google-knowledge-graph-mcp"
],
"env": {
"GOOGLE_KNOWLEDGE_GRAPH_API_KEY": "<GOOGLE_KNOWLEDGE_GRAPH_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"google-knowledge-graph": {
"command": "npx",
"args": [
"-y",
"@houtini/google-knowledge-graph-mcp"
],
"env": {
"GOOGLE_KNOWLEDGE_GRAPH_API_KEY": "<GOOGLE_KNOWLEDGE_GRAPH_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"google-knowledge-graph": {
"command": "npx",
"args": [
"-y",
"@houtini/google-knowledge-graph-mcp"
],
"env": {
"GOOGLE_KNOWLEDGE_GRAPH_API_KEY": "<GOOGLE_KNOWLEDGE_GRAPH_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"google-knowledge-graph": {
"command": "npx",
"args": [
"-y",
"@houtini/google-knowledge-graph-mcp"
],
"env": {
"GOOGLE_KNOWLEDGE_GRAPH_API_KEY": "<GOOGLE_KNOWLEDGE_GRAPH_API_KEY>"
}
}
}
}Environment variables
GOOGLE_KNOWLEDGE_GRAPH_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.