MudGym's WebAssembly browser playground for AI agents in MUD2
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Strong launch
Beat 71% of Show HN launches that day
#47 of 181 on Nov 12
#10 of 28 AI Agents launches on Show HN on Nov 12. 4.7% of AI Agents launches (8 of 172) reached 10+ points in the last 7 days. See AI Agents →
points · since listing → Nov 13, 10:27 UTC
Still tracked: re-read by each daily run while under ~168h old (window closes ~Nov 19, 13:29 UTC).
comments · buzz +1 in latest interval
listed Nov 12, 13:29 UTC
Traction (points) over time
Key statistics
- Traction
- 3points
- Comments
- 1
- Rank in AGNT this week
- #46of 174 HN
- Rank overall this week
- #204of 1,038 HN
- Sector hit rate
- 4.7%8/172 · 7D
- Traction line
- Below10+ points
- First reading
- 3Nov 13, 10:27 UTC
- Last reading
- 3Nov 13, 10:27 UTC
- Readings
- 1over 21h
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8 of 172 AI Agents launches on Show HN reached 10+ points over the last 7 days. The weekly brief shows what they did differently, so you can compare MudGym's WebAssembly browser playground for AI agents in MUD2.
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Top on Nov 12 · 181 Show HN launches that day, by points
- #1My $300 embroidery machine needed a subscription, so I built my own app516 points
- #2AgentRunopen-source, Self-improving Managed Agents103 points
- #3Fable52.gamesPlay and inspect Fable 5.2 single-file HTML games68 points
- #4KapsoIterative learning from enterprise data45 points
- #5Apron Chat Protocol44 points
More in AI Agents · top Show HN launches, last 7 days
- Get your coding agent off ~2019 JavaScript, onto modern web primitives439 points▲ +10
- AgentRunopen-source, Self-improving Managed Agents103 points▲ +103
- Klad, a paint app your coding agent can drive (source-available)83 points▲ +4
- Pomerado (YC F26)Turn any website into an MCP for agents61 points▲ +6
- RecalcSpreadsheet where cells can be Claude Code or Codex terminals37 points0
Grades · each graded against other AI Agents launches from the same source
Momentum
——
Traction gained in the latest daily interval
Listed in the latest interval; no earlier reading to compare
Velocity
A0.15 points/h
Votes per hour since listing (age capped at 48h)
Better than 92% · vs 746 AI Agents · Show HN launches, last 30 days
Engagement
——
Comments per 10 points
Needs 10+ points; below that the ratio is mostly noise
Staying Power
——
Votes at last reading ÷ votes at first reading
Still being tracked; graded once settled (48h)
Launch-day race · #47 of 181 Show HN launches on 2026-11-12
- #45Applygate, stop coding agents from running Terraform destroy in prod3 points
- #46Exporting LLVM IR from XDSL3 points
- #47MudGym's WebAssembly browser playground for AI agents in MUD23 points
- #48Leafpress- a static site generator for digital gardens3 points
- #49I analyzed all 191 prompts I used to "vibe-code" an app3 points
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Discussion
Keep going
- #48 of 181 on Nov 12Leafpress- a static site generator for digital gardens →
- Case studyHow HackerBooks reached 1,861 points on Show HN with a five-word pitch →
- Case studyHow "Steal My Bitcoin" turned a two-word dare into the #1 Show HN of the week →
- CategoryAI Agents: supply, hit rate, top launches →
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Data as of Nov 13, 2026, 9:22 AM UTC. Sector comes from keyword rules on the title and tagline and can be wrong. How it works