Generates TypeScript types from JSON with quicktype and filters JSON down to the fields an LLM needs using shape-based extraction.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add json-filter -- npx -y json-mcp-filter@latest~/.codex/config.toml
[mcp_servers.json-filter]
command = "npx"
args = ["-y", "json-mcp-filter@latest"]
# codex mcp add json-filter -- npx -y json-mcp-filter@latest~/.cursor/mcp.json
{
"mcpServers": {
"json-filter": {
"command": "npx",
"args": [
"-y",
"json-mcp-filter@latest"
]
}
}
}.vscode/mcp.json
{
"servers": {
"json-filter": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"json-mcp-filter@latest"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"json-filter": {
"command": "npx",
"args": [
"-y",
"json-mcp-filter@latest"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"json-filter": {
"command": "npx",
"args": [
"-y",
"json-mcp-filter@latest"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"json-filter": {
"command": "npx",
"args": [
"-y",
"json-mcp-filter@latest"
]
}
}
}