Open-plan-annotator – local annotation UI for working with agent plans is a skill AI agent for Visualize and modify an AI assistant’s task execution plan locally to improve the debuggability of agent logic. Pricing: not stated on the product page. As of 2026-10-27, KanonAgent records 3 upvotes. First indexed by KanonAgent on 2026-07-26.
A local interface that lets developers visualize, annotate, and edit the task plans created by AI agents.
3 upvotes
Tracked by Kanon since Jul 26, 2026
Status basis: npm_downloads_7d momentum fell to -60 per 3d from 33 (<= 40% of the prior window)
📈 Timelinewhat changed, and when
- Cooling npm_downloads_7d momentum fell to -60 per 3d from 33 (<= 40% of the prior window)
- Accelerating npm_downloads_7d gained 33 in the last 3d after a flat 3d baseline (no prior movement to compare a ratio against)
- Cooling npm_downloads_7d momentum fell to 33 per 3d from 613 (<= 40% of the prior window)
- Cooling npm_downloads_7d momentum fell to 0 per 3d from 613 (<= 40% of the prior window)
- Anomaly daily change 306.5 is 4.5 standard deviations from this entity's own prior mean (2.1±68.0, baseline excludes this point) — unusual, not necessarily adoption
- Cooling npm_downloads_7d momentum fell to 0 per 3d from 616 (<= 40% of the prior window)
- Anomaly daily change 306.5 is 4.5 standard deviations from this entity's own prior mean (2.1±68.0, baseline excludes this point) — unusual, not necessarily adoption
- Accelerating npm_downloads_7d gained 613 in the last 3d vs 3 in the 3d before (ratio 204.3x, threshold 1.5x)
- Anomaly daily change 306.5 is 4.5 standard deviations from this entity's own prior mean (2.1±68.0, baseline excludes this point) — unusual, not necessarily adoption
- Accelerating npm_downloads_7d gained 613 in the last 3d vs 3 in the 3d before (ratio 204.3x, threshold 1.5x)
- Anomaly daily change 306.5 is 4.5 standard deviations from this entity's own prior mean (2.1±68.0, baseline excludes this point) — unusual, not necessarily adoption
- Anomaly daily change 306.5 is 4.5 standard deviations from this entity's own prior mean (2.1±68.0, baseline excludes this point) — unusual, not necessarily adoption
- Accelerating npm_downloads_7d gained 616 in the last 3d after a flat 3d baseline (no prior movement to compare a ratio against)
- Cooling npm_downloads_7d momentum fell to -261 per 3d from 151 (<= 40% of the prior window)
- Cooling npm_downloads_7d momentum fell to -40 per 3d from 194 (<= 40% of the prior window)
- Cooling npm_downloads_7d momentum fell to -105 per 3d from 259 (<= 40% of the prior window)
- Accelerating npm_downloads_7d gained 151 in the last 3d after a flat 3d baseline (no prior movement to compare a ratio against)
- Cooling npm_downloads_7d momentum fell to -108 per 3d from 259 (<= 40% of the prior window)
- Accelerating npm_downloads_7d gained 151 in the last 3d after a flat 3d baseline (no prior movement to compare a ratio against)
- Accelerating npm_downloads_7d gained 259 in the last 3d vs 14 in the 3d before (ratio 18.5x, threshold 1.5x)
- Cooling npm_downloads_7d momentum fell to 0 per 3d from 75 (<= 40% of the prior window)
- Accelerating npm_downloads_7d gained 259 in the last 3d vs 14 in the 3d before (ratio 18.5x, threshold 1.5x)
- Cooling npm_downloads_7d momentum fell to -3 per 3d from 90 (<= 40% of the prior window)
- Cooling npm_downloads_7d momentum fell to 14 per 3d from 78 (<= 40% of the prior window)
🔎 Known / Unknown
12 of 23 fields unknown
| Machine-callable | — | unknown | — |
| Open source | 1 | inferred | 1 quote(s) |
| Self-hostable | 1 | inferred | 1 quote(s) |
| Bring your own key | — | unknown | — |
| Autonomy level | 2 | inferred | 1 quote(s) |
| Pricing model | — | unknown | — |
| Integrations | claude-code | inferred | 1 quote(s) |
“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.
🤖 Agent teardown · skill
Job to be doneVisualize and modify an AI assistant’s task execution plan locally to improve the debuggability of agent logic.
AutonomyL2 · tool-calling(evidence: "Your coding agent ... finishes writing a plan…")
Who it is fordevelopers
Prerequisitesopen source · self-hostable
Integrationsclaude-code
Why it matters
Supplies visual debugging tools for AI agent development and serves as an important aid for building complex agents.
Evidence quotesverbatim, from the product’s own materials
“public GitHub repository (README fetched)”— structural
“Everything runs locally.”— readme
“Your coding agent ... finishes writing a plan”— readme
“Claude Code, OpenCode, and pi”— readme
Signal source: Show HN
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📛 Official badgefor your site / README
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FAQ
What is Open-plan-annotator?
A local interface that lets developers visualize, annotate, and edit the task plans created by AI agents.
What does Open-plan-annotator do?
Visualize and modify an AI assistant’s task execution plan locally to improve the debuggability of agent logic.
Why does Open-plan-annotator matter?
Supplies visual debugging tools for AI agent development and serves as an important aid for building complex agents.
Is Open-plan-annotator open source?
Yes — Open-plan-annotator is open source.
Can I self-host Open-plan-annotator?
Yes — Open-plan-annotator can be self-hosted.
What does Open-plan-annotator integrate with?
claude-code
How popular is Open-plan-annotator?
As tracked by KanonAgent: 3 upvotes (first indexed 2026-07-26).
What are the best Open-plan-annotator alternatives?
Similar AI agents tracked by KanonAgent: Stealth Venture, taste-skill, archify, open-design, deer-flow, ruflo.