# Oakstack (slim) > Oakstack, an MCP server by oakstack.dev, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Cron jobs with retries, webhook relay, HTML-to-PDF, and transactional email for your app. - Full: https://www.anchorterminal.com/tools/oakstack.md (~450 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/tools/oakstack.json · canonical https://www.anchorterminal.com/tools/oakstack - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12 # Oakstack > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by oakstack.dev (https://oakstack.dev) - Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md) - Listed because: It's published in the registry under oakstack.dev, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Cron jobs with retries, webhook relay, HTML-to-PDF, and transactional email for your app. ## Facts - MCP registry: `dev.oakstack/oakstack` 0.6.0 - Endpoint: https://oakstack.dev/mcp (streamable HTTP) - Package: npm `oakstack-mcp` (stdio) - Website: https://oakstack.dev - npm downloads a week: 956 - Registry entry updated: 2026-10-11 - JSON: https://www.anchorterminal.com/api/v1/tools/oakstack.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming