GRASP.
Grasp · Comprehension Index Scan Report

Who still understands sst/opencode?

Computed from git metadata only; no source code contents were read.
touch-weighted · full history, 3-year analysis window · last commit 14d ago · scores are comparable only against same-mode scans

Grasp Score
82
touch-weighted living knowledge across the repo
Active humans
117 / 1128
contributors active in last 90 days vs. all-time
AI-attributed minimum
≥ 6.4%
hard evidence only. Just 22% of commits here carry any attribution signal, so the real share is higher
Inactive share
9.4%
work by authors with no commit in the window; silence, not proof of departure
Composition
69/11/13/7%
source / tests / docs / config share of scored work
Living, source only
83%
the headline recomputed over hand-written source alone
Score stability
stable
90-day-cliff variant reads 83%–86% across 60/90/180-day activity windows; read the width before the middle value

Dark-code ranking

Modules ranked by comprehension risk: the unknown share, amplified by ongoing change and thin ownership. The green meter is living knowledge.

ModuleRiskLiving knowledgeAI-attr. InactiveBusHeat/180d
nixHIGH 65
29%
65%17%2279
packages/cloudLOW 47
38%
0%100%00
cmdLOW 41
46%
0%62%10
internalLOW 40
46%
0%61%10
packages/codemodeLOW 33
67%
29%0%1182
githubLOW 33
58%
4%66%16
appLOW 24
65%
0%42%20
packages/sdkLOW 22
75%
12%13%5770
(root)LOW 21
75%
6%28%3806
packages/http-recorderLOW 21
77%
18%0%2166
packages/webLOW 19
78%
13%8%33819
infraLOW 19
78%
3%23%495
packages/statsLOW 18
82%
14%0%1787
packages/cliLOW 18
80%
18%0%3128
sdksLOW 18
82%
0%21%1140
packages/consoleLOW 17
81%
3%18%22835
packages/llmLOW 17
83%
12%0%1671
packages/scriptLOW 17
77%
0%32%13
cloudLOW 17
73%
0%33%30
packages/coreLOW 15
82%
14%0%33363

Public-repo caveat: "departed" includes drive-by contributors, overstating attrition relative to a company repo with a real roster. Engagement is a proxy for comprehension. Treat it as a potential indicator rather than a diagnosis.