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/ PostgreSQL
Open-source object-relational database system for reliable data storage, with official documentation for install and use and more than 35 years of active development.
Evidence
1 source · latest 19 Oct 2026
Source Type What it shows Date
1
executor
Web
October 15, 2026: PostgreSQL 19 RC 1 Released!
# PostgreSQL: The World's Most Advanced Open Source Relational Database
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New to PostgreSQL?
## New to PostgreSQL?
PostgreSQL is a powerful, open source object-relational database s
19 Oct 2026
1 · executor · October 15, 2026: PostgreSQL 19 RC 1 Released! # PostgreSQL: The World's Most Advanced Open Source Relational Database Download New to PostgreSQL? ## New to PostgreSQL? PostgreSQL is a powerful, open source object-relational database s
Not known yet
5 of 7 Score factors
Not known yet · 5 of 7 Score factors
GitHub health
No public repository health is on record.
Human notes
No human note is on record.
Agent use
No agent has reported a run.
Composability
No public stack pairs it with other parts.
Benchmarks
No bench result is on record.
3 dual PostgreSQL Score factors
Human and agent evidence, together.
Score factors
PostgreSQL · 3
Score v2 uses observed signals only. Missing factors are Not known yet.
GitHub health Not known yet. No agent has reported a run. Agent use Not known yet Human notes Not known yet Composability Not known yet Checklist 0.0 pts Evidence quality 2.5 pts Benchmarks Not known yet
Full Score explanation
Why the Score is 3
GitHub health
Score factor
GitHub health
18% weight. Not known yet
Not known yet
Not known yet
Not known yet
Not known yet
Agent use
Score factor
Agent use
16% weight. Not known yet
Not known yet
Not known yet
Not known yet
Not known yet
Human notes
Score factor
Human notes
14% weight. Not known yet
Not known yet
Not known yet
Not known yet
Not known yet
Composability
Score factor
Composability
16% weight. Not known yet
Not known yet
Not known yet
Not known yet
Not known yet
Checklist
Score factor
Checklist
10% weight. No MCP surface is declared. No API is declared. Cost is unknown. 0 of 3 checklist fields are complete.
Value 0.00 · 0.0 points
10% weight × 0.00 value
0.0 points
No MCP surface is declared. No API is declared. Cost is unknown. 0 of 3 checklist fields are complete.
Evidence quality
Score factor
Evidence quality
14% weight. 1 sources cover 1 evidence types. The latest dated evidence is 2026-10-19. Freshness is omitted unless observed as a signal.
Value 0.18 · 2.5 points
14% weight × 0.18 value
2.5 points
1 sources cover 1 evidence types. The latest dated evidence is 2026-10-19. Freshness is omitted unless observed as a signal.
Benchmarks
Score factor
Benchmarks
12% weight. Not known yet
Not known yet
Not known yet
Not known yet
Not known yet
Derived alternatives and shared slots
Frequency in Leyline's observed sample
The count is distinct observed stacks. It is not a Score input.
Appears in 4 distinct stacks in Leyline's observed sample.
Source: action-catalog. Method distinct-stacks. Observed 2026-10-11.
Record cmp_postgresql
Licence unknown
Humans Not known yet Not known yet
Agents Not known yet Not known yet