Heystack
Observability for AI apps: investigate traces, logs, LLM usage, replays and crashes; manage alerts.
Install
Remote streamable-http
https://mcp.heystack.dev/mcpClient config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"dev-heystack-heystack": {
"url": "https://mcp.heystack.dev/mcp"
}
}
}Source: official MCP Registry record · registry name dev.heystack/heystack · published 2026-09-17 · updated 2026-09-17. Not an endorsement; review the code before connecting it to anything sensitive.