{"site":"khanacademy.org","task":"education.find_free_course","available":true,"recipe":{"uri":"recipe://khanacademy.org/education.find_free_course/public-preflight-v1","version":1,"status":"active","agent_class":"browser_agent_public_preflight","summary":"Browse subjects and lessons free without an account; saving progress requires a free login. Fully public content for discovery.","steps":[{"order":1,"instruction":"Open the documented public path for Khan Academy: Browse subjects and lessons free without an account; saving progress requires a free login. Fully public content for discovery.","evidence_gate":"Public source or help surface is visible."},{"order":2,"instruction":"Check the listed blockers and policy constraints before entering account, payment, booking, or cancellation state.","evidence_gate":"policy_parseable"},{"order":3,"instruction":"Stop before any irreversible or user-sensitive action and ask for explicit approval.","evidence_gate":"User approval is captured before final action."}],"guards":["Content is free; progress tracking needs a learner account.","Provide informational workflow guidance only, not education or admissions advice."],"success_signals":["Relevant lesson/unit located","Course structure summarized"],"expires_at":"2026-06-18T02:28:12.618Z"},"known_blockers":["login_required"],"confidence":{"score":0.32,"level":"low","sample_size":4,"rationale":"Confidence reflects 1.16 effective weight, Wilson bounds 0.177475-0.995399, and Beta posterior mean 0.636787."},"freshness":{"updated_at":"2026-06-17T02:28:12.618Z","age_days":0,"status":"fresh","rationale":"Latest evidence is 0 days old."},"evidence":{"sample_size":4,"source_tiers":["public_web_observation"],"evidence_ids":["top100-education-4-khanacademyorg-educationfind-free-course","loop-1781004625150-khanacademy-org-education-find-free-course"],"latest_evidence_id":"top100-education-4-khanacademyorg-educationfind-free-course","notes":["Open, free educational content; clearly parseable for discovery.","Source: https://www.khanacademy.org/","Source: https://www.khanacademy.org/about"]},"trust":{"score":0.38,"level":"low","reporter_count":1,"deduplicated_evidence_count":1,"quarantined_count":0,"rationale":"Trust is based on 1 deduplicated trusted run from 1 reporter."},"recommended_actions":[{"priority":"medium","actor":"agent","action":"Content is free; progress tracking needs a learner account.","expected_impact":"Keeps the agent inside documented, reversible, user-approved boundaries."}]}