Alok Ranjan (ryu) builds infrastructure at OmniDimension. Projects, writing, and whatever I'm listening to.https://alokranjan.me/https://alokranjan.me/blog/extending-uptime-kuma/https://alokranjan.me/blog/extending-uptime-kuma/Getting an unmerged feature into production, adding a Slack /incident command, and open-sourcing the result as a clean fork.Sat, 30 May 2026 00:00:00 GMTuptime-kumamonitoringopen sourcedockerhttps://alokranjan.me/blog/omnidimension-mcp/https://alokranjan.me/blog/omnidimension-mcp/Building OmniDimension's MCP integration layer: two services, 49 tools, an OAuth 2.1 server, shipped to npm and live in production.Fri, 29 May 2026 00:00:00 GMTMCPOAuthAI agentsTypeScripthttps://alokranjan.me/blog/computers-dont-know-the-time/https://alokranjan.me/blog/computers-dont-know-the-time/A trip down the rabbit hole of quartz crystals, cesium atoms, GPS, NTP, and PTP, after chrony told me my clock was running slow.Fri, 22 May 2026 00:00:00 GMTsystemstimentplinuxhttps://alokranjan.me/blog/postfix-mail-server/https://alokranjan.me/blog/postfix-mail-server/Configuring a multi-tenant mail server from scratch with Postfix and Dovecot, now handling 200k+ emails a day.Mon, 18 May 2026 00:00:00 GMTpostfixsmtpimaplinuxemailhttps://alokranjan.me/blog/agentic-ai/https://alokranjan.me/blog/agentic-ai/An exploration of Agentic AI — how modern LLM-powered agents can reason, plan, and take autonomous actions using memory, tools, and workflows.Sat, 19 Jul 2025 00:00:00 GMTAI agentsagentic AILLMlangchainhttps://alokranjan.me/blog/inv/https://alokranjan.me/blog/inv/A backend project featuring FastAPI, PostgreSQL, and Docker, with a tested moving average crossover trading strategy.Fri, 18 Jul 2025 00:00:00 GMTpythonfastapidockerpostgresqlsqlalchemyprojects