Overwing MCP server: guardrails for LLM output. pass / fail / review verdicts with calibrated confidence for any MCP-capable agent.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add overwing --env OVERWING_API_KEY='<OVERWING_API_KEY>' --env OVERWING_AGENT_KEY='<OVERWING_AGENT_KEY>' -- npx -y overwing-mcp~/.codex/config.toml
[mcp_servers.overwing]
command = "npx"
args = ["-y", "overwing-mcp"]
env = { OVERWING_API_KEY = "<OVERWING_API_KEY>", OVERWING_AGENT_KEY = "<OVERWING_AGENT_KEY>" }
# codex mcp add overwing --env OVERWING_API_KEY='<OVERWING_API_KEY>' --env OVERWING_AGENT_KEY='<OVERWING_AGENT_KEY>' -- npx -y overwing-mcp~/.cursor/mcp.json
{
"mcpServers": {
"overwing": {
"command": "npx",
"args": [
"-y",
"overwing-mcp"
],
"env": {
"OVERWING_API_KEY": "<OVERWING_API_KEY>",
"OVERWING_AGENT_KEY": "<OVERWING_AGENT_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"overwing": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"overwing-mcp"
],
"env": {
"OVERWING_API_KEY": "<OVERWING_API_KEY>",
"OVERWING_AGENT_KEY": "<OVERWING_AGENT_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"overwing": {
"command": "npx",
"args": [
"-y",
"overwing-mcp"
],
"env": {
"OVERWING_API_KEY": "<OVERWING_API_KEY>",
"OVERWING_AGENT_KEY": "<OVERWING_AGENT_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"overwing": {
"command": "npx",
"args": [
"-y",
"overwing-mcp"
],
"env": {
"OVERWING_API_KEY": "<OVERWING_API_KEY>",
"OVERWING_AGENT_KEY": "<OVERWING_AGENT_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"overwing": {
"command": "npx",
"args": [
"-y",
"overwing-mcp"
],
"env": {
"OVERWING_API_KEY": "<OVERWING_API_KEY>",
"OVERWING_AGENT_KEY": "<OVERWING_AGENT_KEY>"
}
}
}
}Remote
claude mcp add --transport http overwing https://overwing.ai/mcp --header 'Authorization: <AUTHORIZATION>'~/.codex/config.toml
[mcp_servers.overwing]
url = "https://overwing.ai/mcp"
http_headers = { Authorization = "<AUTHORIZATION>" }
# codex mcp add overwing --url https://overwing.ai/mcp~/.cursor/mcp.json
{
"mcpServers": {
"overwing": {
"url": "https://overwing.ai/mcp",
"headers": {
"Authorization": "<AUTHORIZATION>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"overwing": {
"type": "http",
"url": "https://overwing.ai/mcp",
"headers": {
"Authorization": "<AUTHORIZATION>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"overwing": {
"httpUrl": "https://overwing.ai/mcp",
"headers": {
"Authorization": "<AUTHORIZATION>"
}
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"overwing": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://overwing.ai/mcp",
"--header",
"Authorization:<AUTHORIZATION>"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"overwing": {
"url": "https://overwing.ai/mcp",
"headers": {
"Authorization": "<AUTHORIZATION>"
}
}
}
}Environment variables
OVERWING_API_KEYOVERWING_AGENT_KEY
Replace the placeholders with your own credentials and keep them out of version control.