{"slug":"samber-substack-ghostwriting","source_name":"samber/substack-ghostwriting","name":"Samber/Substack Ghostwriting","description":"Write, optimize, and grow Substack content — newsletter issues (email-first) and web posts (web-first essays). Covers voice matching, Substack algorithm and Notes strategy, email formatting, SEO, growth tactics, and paid-subscriber monetization. Use when the user mentions Substack, a newsletter issue, a Substack post or article, evergreen content, newsletter growth, Notes, paid subscribers, 'ghostwrite for', or 'write in the style of' — and for newsletter or essay writing even when Substack is n","version":1,"lift":{"pass_rate_delta_pts":39.13,"pass_rate_pct":82.6,"total_cases":23,"passed_cases":19,"tokens_delta_pct":147.4,"turns_delta_pct":0,"verdict":"mixed","benchmark_model":"gemini-3.6-flash","grading_method":"judged","completed_at":"2026-10-06T06:08:37.881899+00:00"},"skill_score":0.8261,"benchmark_models":[{"model":"gemini-3.6-flash","headline":true,"delta_pts":39.13,"with_pass_pct":82.6,"without_pass_pct":43.5,"tokens_delta_pct":147.4,"turns_delta_pct":0,"total_cases":23,"cases_aggregated":23,"verdict":"mixed","never_hurt":false,"completed_at":"2026-10-06T06:08:37.881899+00:00","run_id":"99236887-601f-4fc3-bb9b-fc344b3762c0","latest_attempt":{"id":"99236887-601f-4fc3-bb9b-fc344b3762c0","runner_model":"gemini-3.6-flash","overall_verdict":"mixed","completed_at":"2026-10-06T06:08:37.881899+00:00","gate":null},"version_number":1,"is_latest_version":true,"gate":null}],"trust":{"skill_safety":"passed","safety_status":"clean","intent_verdict":"safe","content_status":"clean","indexable":true},"license":"MIT","install_count":0,"total_uses":0,"total_users":0,"manifest_hash":"db62d4236a8d1ae4031fdcbb52d477a0233b3c08f7ffc0f0e995676cfd1997b4","install_name":"samber-substack-ghostwriting","version_id":"1258a8f1-0daf-4f11-9f81-88a8094a0be5","body_sha256":"db62d4236a8d1ae4031fdcbb52d477a0233b3c08f7ffc0f0e995676cfd1997b4","render_hash":"26a8c7bec576b83e943678aef2e1c0ec19619de980d53c4b7c181de684defc15","raw_url":"https://app.decimal.ai/s/samber-substack-ghostwriting/SKILL.md","scorecard_url":"https://app.decimal.ai/skills/samber-substack-ghostwriting"}