Registry › Compare › Chroma vs Hindsight

Chroma vs Hindsight

Hindsight leads on trust: 86.4/100 (Grade A) against 64.9/100 (Grade C), a 21.5-point gap. Chroma leads on adoption; Hindsight leads on supply-chain integrity and provenance.

C Chroma 64.9

Search infrastructure for AI

chroma-core/chroma · #521 overall · #32 Memory & Knowledge · coverage A (4/5)

Choose Chroma if adoption matters most.

+1.9Adoption: 2.0M weekly downloads against 19.6k

A Hindsight 86.4

Hindsight: Agent Memory That Learns

vectorize-io/hindsight · #79 overall · #7 Memory & Knowledge · coverage A (4/5)

Choose Hindsight if supply-chain integrity and provenance matter most.

+7.2Identity / Provenance: package provenance attested, against none
+7.1Safety / Integrity: package provenance attested, against none
+3.4Maintenance: last push 1d ago, against 4d ago

Where they differ

11.4

Safety / IntegrityHindsight +7.1

18.5

10.8

Identity / ProvenanceHindsight +7.2

18.0

12.8

TransparencyChroma +0.1

12.7

16.5

MaintenanceHindsight +3.4

19.9

19.1

AdoptionChroma +1.9

17.2

+3.0

Runtime calibrationChroma +2.9

+0.1

Full evidence table

An independent, evidence-based trust comparison of Chroma and Hindsight, two Memory & Knowledge projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	Chromachroma-core/chroma	Hindsightvectorize-io/hindsight
HVTrust score	64.9	86.4
Evidence grade	C	A
Coverage grade	A	A
Overall rank	#521	#79
Rank in Memory & Knowledge	#32	#7
GitHub stars	29.6k	58.1k
Last updated	4d ago	1d ago
Build provenance	No	Yes
OSSF Scorecard	5.1 / 10	4.9 / 10
License	Apache-2.0	MIT
Downloads	2.0M/wk	20k/wk
Trust dimensions (points earned)
Safety / integrity / 25	11.4	18.5
Identity & provenance / 18	10.8	18.0
Transparency / 17	12.8	12.7
Maintenance / 20	16.5	19.9
Adoption / 20	19.1	17.2
Runtime capability surface (full matrix)
MCP server	Declared	Implemented
External providers	3 — Cohere, Google Gemini, OpenAI	1 — OpenAI
Requires API keys	No	Yes
Plugin surface	—	plugins
Provenance drift	Match	Unknown

Open in the live compare tool → Chroma profile Hindsight profile More Memory & Knowledge →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →