Per-claim citation verification for AI-generated text. Fetches every cited source and returns supported/contradicted/unsupported verdicts with quoted evidence spans. MCP server + CLI + hosted API.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add citeguard-franksterino --env CITEGUARD_JUDGE_KEY='<CITEGUARD_JUDGE_KEY>' -- npx -y citeguard~/.codex/config.toml
[mcp_servers.citeguard-franksterino]
command = "npx"
args = ["-y", "citeguard"]
env = { CITEGUARD_JUDGE_KEY = "<CITEGUARD_JUDGE_KEY>" }
# codex mcp add citeguard-franksterino --env CITEGUARD_JUDGE_KEY='<CITEGUARD_JUDGE_KEY>' -- npx -y citeguard~/.cursor/mcp.json
{
"mcpServers": {
"citeguard-franksterino": {
"command": "npx",
"args": [
"-y",
"citeguard"
],
"env": {
"CITEGUARD_JUDGE_KEY": "<CITEGUARD_JUDGE_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"citeguard-franksterino": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"citeguard"
],
"env": {
"CITEGUARD_JUDGE_KEY": "<CITEGUARD_JUDGE_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"citeguard-franksterino": {
"command": "npx",
"args": [
"-y",
"citeguard"
],
"env": {
"CITEGUARD_JUDGE_KEY": "<CITEGUARD_JUDGE_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"citeguard-franksterino": {
"command": "npx",
"args": [
"-y",
"citeguard"
],
"env": {
"CITEGUARD_JUDGE_KEY": "<CITEGUARD_JUDGE_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"citeguard-franksterino": {
"command": "npx",
"args": [
"-y",
"citeguard"
],
"env": {
"CITEGUARD_JUDGE_KEY": "<CITEGUARD_JUDGE_KEY>"
}
}
}
}Remote
claude mcp add --transport http citeguard-franksterino https://citeguard.boundy.workers.dev/mcp~/.codex/config.toml
[mcp_servers.citeguard-franksterino]
url = "https://citeguard.boundy.workers.dev/mcp"
# codex mcp add citeguard-franksterino --url https://citeguard.boundy.workers.dev/mcp~/.cursor/mcp.json
{
"mcpServers": {
"citeguard-franksterino": {
"url": "https://citeguard.boundy.workers.dev/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"citeguard-franksterino": {
"type": "http",
"url": "https://citeguard.boundy.workers.dev/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"citeguard-franksterino": {
"httpUrl": "https://citeguard.boundy.workers.dev/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"citeguard-franksterino": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://citeguard.boundy.workers.dev/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"citeguard-franksterino": {
"url": "https://citeguard.boundy.workers.dev/mcp"
}
}
}Environment variables
CITEGUARD_JUDGE_KEY
Replace the placeholders with your own credentials and keep them out of version control.