{"slug": "pi-blackhole", "name": "pi-blackhole", "category": "browsers", "category_name": "Browsers and extensions", "description": "", "recommenders": 3, "commenters": 3, "warners": 0, "score": 2.854, "rising": 0.35, "first": "2026-07-18", "latest": "2026-10-02", "why": "I found this tool to be quite good as a compaction alternative", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 3, "neutral": 0, "compare": 0, "warn": 0}, "spark": [0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 1], "listed": true, "loved": [], "caveat": "", "short_quote": "I found this tool to be quite good as a compaction alternative", "kind": "", "icon": false, "domain": "pi.dev", "github_repo": null, "official_url": "", "pricing": "", "aliases": ["pi-blackhole"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 798937234, "item_id": 49933577, "url": "https://news.ycombinator.com/item?id=49933577", "by": "nvarsj", "date": "2026-10-02", "version": null, "stance": "recommend", "quote": "I basically just install pi-fabric, pi-blackhole, grill-me and that's it.", "excerpt": "Pi is the \"I use arch btw\" of harnesses right now. But I do love it - super customizable, and my token usage seems way more efficient (this is purely vibe based ofc) compared to codex/cc. I basically just install pi-fabric, pi-blackhole, grill-me and that's it. Tell my AGENTS.md to prefer subagent workflows. Herdr to manage all the terminals. I spend 99% of my professional work in this environment, I can't even remem", "context": "", "use_case": "Pi extension", "switched_from": "", "story": "Pi 1.0"}, {"id": 783504576, "item_id": 48969036, "url": "https://news.ycombinator.com/item?id=48969036", "by": "yearolinuxdsktp", "date": "2026-07-19", "version": null, "stance": "recommend", "quote": "I found this tool to be quite good as a compaction alternative", "excerpt": "If you\u2019re using the pi.dev harness, I found this tool to be quite good as a compaction alternative: https://pi.dev/packages/pi-blackhole \u2014 it keeps a memory so every prior conversation piece is recallable, not lost.", "context": "", "use_case": "Conversation memory / compaction", "switched_from": "", "story": "OpenAI reduces Codex Model Context Size from 372k to 272k"}, {"id": 783448688, "item_id": 48965543, "url": "https://news.ycombinator.com/item?id=48965543", "by": "kaelwd", "date": "2026-07-18", "version": null, "stance": "recommend", "quote": "works pretty well for this", "excerpt": "https://github.com/k0valik/pi-blackhole works pretty well for this, instead of a summary of a summary of a summary it gets a rolling log of important instructions and discoveries, and can /recall exact contents of a previous message or tool call if needed.", "context": "", "use_case": "rolling log for long tasks", "switched_from": "", "story": "Fable 5 vs. GPT-5.6 Sol on an NP-Hard Problem: Does /goal help?"}]}], "caveats": [], "who": [], "tags": [], "use_cases": ["pi extension", "conversation memory / compaction", "rolling log for long tasks"], "compared": [{"slug": "pi", "name": "Pi", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=49926069", "title": "Pi 1.0", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48965850", "title": "OpenAI reduces Codex Model Context Size from 372k to 272k", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48956879", "title": "Fable 5 vs. GPT-5.6 Sol on an NP-Hard Problem: Does /goal help?", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {}, "2026-07": {"recommend": 2}, "2026-08": {}, "2026-09": {}, "2026-10": {"recommend": 1}}, "versions": [], "version_unnamed": 0, "quotes": [{"id": 798937234, "item_id": 49933577, "url": "https://news.ycombinator.com/item?id=49933577", "by": "nvarsj", "date": "2026-10-02", "version": null, "stance": "recommend", "quote": "I basically just install pi-fabric, pi-blackhole, grill-me and that's it.", "excerpt": "Pi is the \"I use arch btw\" of harnesses right now. But I do love it - super customizable, and my token usage seems way more efficient (this is purely vibe based ofc) compared to codex/cc. I basically just install pi-fabric, pi-blackhole, grill-me and that's it. Tell my AGENTS.md to prefer subagent workflows. Herdr to manage all the terminals. I spend 99% of my professional work in this environment, I can't even remem", "context": "", "use_case": "Pi extension", "switched_from": "", "story": "Pi 1.0"}, {"id": 783504576, "item_id": 48969036, "url": "https://news.ycombinator.com/item?id=48969036", "by": "yearolinuxdsktp", "date": "2026-07-19", "version": null, "stance": "recommend", "quote": "I found this tool to be quite good as a compaction alternative", "excerpt": "If you\u2019re using the pi.dev harness, I found this tool to be quite good as a compaction alternative: https://pi.dev/packages/pi-blackhole \u2014 it keeps a memory so every prior conversation piece is recallable, not lost.", "context": "", "use_case": "Conversation memory / compaction", "switched_from": "", "story": "OpenAI reduces Codex Model Context Size from 372k to 272k"}, {"id": 783448688, "item_id": 48965543, "url": "https://news.ycombinator.com/item?id=48965543", "by": "kaelwd", "date": "2026-07-18", "version": null, "stance": "recommend", "quote": "works pretty well for this", "excerpt": "https://github.com/k0valik/pi-blackhole works pretty well for this, instead of a summary of a summary of a summary it gets a rolling log of important instructions and discoveries, and can /recall exact contents of a previous message or tool call if needed.", "context": "", "use_case": "rolling log for long tasks", "switched_from": "", "story": "Fable 5 vs. GPT-5.6 Sol on an NP-Hard Problem: Does /goal help?"}]}