Model Context Protocol server for Cold Leads: verify e-mails with catch-all detection, search leads by domain, human-approved agent onboarding.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add cold-leads --env COLDLEADS_API_KEY='<COLDLEADS_API_KEY>' -- npx -y @coldleads/mcp-server~/.codex/config.toml
[mcp_servers.cold-leads]
command = "npx"
args = ["-y", "@coldleads/mcp-server"]
env = { COLDLEADS_API_KEY = "<COLDLEADS_API_KEY>" }
# codex mcp add cold-leads --env COLDLEADS_API_KEY='<COLDLEADS_API_KEY>' -- npx -y @coldleads/mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"cold-leads": {
"command": "npx",
"args": [
"-y",
"@coldleads/mcp-server"
],
"env": {
"COLDLEADS_API_KEY": "<COLDLEADS_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"cold-leads": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@coldleads/mcp-server"
],
"env": {
"COLDLEADS_API_KEY": "<COLDLEADS_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"cold-leads": {
"command": "npx",
"args": [
"-y",
"@coldleads/mcp-server"
],
"env": {
"COLDLEADS_API_KEY": "<COLDLEADS_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"cold-leads": {
"command": "npx",
"args": [
"-y",
"@coldleads/mcp-server"
],
"env": {
"COLDLEADS_API_KEY": "<COLDLEADS_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"cold-leads": {
"command": "npx",
"args": [
"-y",
"@coldleads/mcp-server"
],
"env": {
"COLDLEADS_API_KEY": "<COLDLEADS_API_KEY>"
}
}
}
}Remote
claude mcp add --transport http cold-leads https://coldleads.app/api/mcp~/.codex/config.toml
[mcp_servers.cold-leads]
url = "https://coldleads.app/api/mcp"
# codex mcp add cold-leads --url https://coldleads.app/api/mcp~/.cursor/mcp.json
{
"mcpServers": {
"cold-leads": {
"url": "https://coldleads.app/api/mcp"
}
}
}.vscode/mcp.json
{
"servers": {
"cold-leads": {
"type": "http",
"url": "https://coldleads.app/api/mcp"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"cold-leads": {
"httpUrl": "https://coldleads.app/api/mcp"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"cold-leads": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://coldleads.app/api/mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"cold-leads": {
"url": "https://coldleads.app/api/mcp"
}
}
}Environment variables
COLDLEADS_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.