Nicheloom

The opportunity tracker for new startups.

Sources

AI testing harnesses and safety tools

Recent window: last 5.3 months (2026-04-28 → 2026-10-06), compared with the prior 5.3 months.

construction · 72 members · Data as of 2026-10-09

These products provide evaluation frameworks, testing harnesses, and guardrail systems designed for AI models, agents, and software workflows, alongside select personal safety tracking utilities. They are primarily used by AI engineers, developers, and security teams to benchmark model performance, manage tool execution, and enforce operational safety policies. This cluster is distinguished by its strong focus on execution and evaluation harnesses that standardize agent behavior and verify system reliability.

Metrics

Stage
heating
Recent count
60
Prior count
1
Total count
72
Momentum
300.00
Attention
0.32
Crowding
0.25
Concentration
0.78
Opportunity
0.57

Opportunity components

Attention
0.32
Low crowding
0.75
Momentum (normalized)
1.00
Low concentration
0.22

Source split

github
13 (0.22)
hn
2 (0.03)
ph
44 (0.73)
yc
1 (0.02)

Dominant source: ph · Divergence: 0.72

Similar niches

Monthly trajectory

Members

Name Source Upvotes ▲ Launched
Assure PH 3 2026-10-03
harness-dio GITHUB 8 2026-09-15
Immune-Harness GITHUB 9 2026-09-25
bb-plugin-korey GITHUB 9 2026-09-24
Lean4 proof that SSOT requires definition-time hooks and introspection HN 10 2026-01-08
dsh-skills-hub GITHUB 11 2026-09-29
ASCENT GITHUB 11 2026-10-04
AdaHVLA-Adaptive_Harness_VLA GITHUB 12 2026-09-22
harness GITHUB 13 2026-09-16
HarnessPAI GITHUB 14 2026-09-23
agnes-harness GITHUB 18 2026-09-22
Safe-install HN 19 2026-05-12
Class GITHUB 19 2026-09-27
MaLiang-Harness GITHUB 20 2026-09-27
dsh-skill GITHUB 24 2026-10-05
alpha-harness GITHUB 41 2026-09-11
effect-harness GITHUB 52 2026-10-06
aegis PH 63 2026-10-08
FrontierHarness Eval HN 82 2026-09-02
Insurf: We save people and employers thousands on health insurance costs YC 96 2026-08-19
Walkable PH 165 2026-06-03
Samepage Signals PH 195 2026-06-25