20 Opus 5.5 build stacks, including a Remotion video studio

beamnxw ./ @beamnxwOriginally posted 2026.10.23

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this is pure f*cking treasure 20 build stacks for Opus 5.5, each built around a real deliverable apps. interfaces. memory. data. agents. video 01 Better-T-Stack → saas foundry https://github.com/AmanVarshney01/create-better-t-stack 02 21st MCP → component lab https://github.com/21st-dev/magic-mcp 03 tweakcn → design tokens https://github.com/jnsahaj/tweakcn 04 Serena → repo navigator https://github.com/oraios/serena 05 Stagehand → browser runner https://github.com/browserbase/stagehand 06 MarkItDown → document engine https://github.com/microsoft/markitdown 07 Qdrant MCP → memory vault https://github.com/qdrant/mcp-server-qdrant 08 DuckDB → data analyst https://github.com/duckdb/duckdb 09 PGlite → local app https://github.com/electric-sql/pglite 10 Spotlight → debug desk https://github.com/getsentry/spotlight 11 Agent Orchestrator → agent fleet https://github.com/OrchestratorInc/agent-orchestrator 12 Worktrunk → parallel build https://github.com/max-sixty/worktrunk 13 FastMCP → tool builder https://github.com/PrefectHQ/fastmcp 14 Mastra → agent product https://github.com/mastra-ai/mastra 15 Trigger. dev → durable jobs https://github.com/triggerdotdev/trigger.dev 16 LibreChat → private assistant https://github.com/LibreChat-AI/LibreChat 17 React Email → email studio https://github.com/resend/react-email 18 Remotion → video studio https://github.com/remotion-dev/remotion 19 Slidev → deck factory https://github.com/slidevjs/slidev 20 Nextra → docs portal https://github.com/shuding/nextra Opus handles the planning and code. these resources give each workflow its tools and workspace. the loop: define the job → split the work → connect the tools → build → verify → ship save this, then read the full guide for Opus 5.5 Harness Engineering ↓

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