The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Agent Cold Email
Coldrig — cold-email infra run by your agent: 28 MCP tools, live sending, free sandbox, from $99/mo.
Install
$
npx -y agent-cold-emailClaude Code
claude mcp add agent-cold-email -- npx -y agent-cold-emailCursor / Claude Desktop (mcp.json)
{
"mcpServers": {
"agent-cold-email": {
"command": "npx",
"args": [
"-y",
"agent-cold-email"
]
}
}
}Install command taken from the project's README or registry entry. Always review code before running it.
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