How Coursera can use Orb Platform

Structured vocabulary for Coursera Coach and Role Play simulations

The Scenario

Coursera Coach, the GenAI tutor with 94% learner satisfaction, guides a professional through an organizational leadership course. The learner asks about “communication.” Instead of generating a definition that might drift, Coach fetches a verified definition from Orb Platform, delivers a structured micro-lesson, and runs an aligned assessment. Same content for every learner in the same cohort. Deterministic. Anthropic-partnered reliability.

Step 1 — Word Orb looks up the word
One API call returns a verified definition, translations, pronunciation audio, and etymology.
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Step 2 — Lesson Orb delivers a structured lesson
A 5-phase lesson (hook → story → wonder → action → wisdom) with the diplomat teaching archetype.
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Step 3 — Quiz Orb assesses comprehension
Assessment questions aligned to the lesson content through the knowledge graph. Your agent tests what it taught.
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Step 4 — The Knowledge Graph connects everything
30,288 connections link words to lessons to assessments. Every quiz question tests what the lesson taught.
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Why this matters for Coursera

Add Orb Platform to Coursera

Free tier available — 50 API calls/day, no credit card required. Try the playground →

Technical Details

API Base: https://word-orb-api.nicoletterankin.workers.dev

MCP Server: https://mcp.thedailylesson.com/mcp

npm: npm install @lotd/word-orb

GitHub: github.com/nicoletterankin/word-orb

Response format: Deterministic JSON · Sub-5ms edge delivery via Cloudflare Workers · No origin server