Twelve files had frontmatter that yaml.safe_load rejects, all from the same
cause: an unquoted plain scalar containing ": " inside description. Claude Code
responds by loading the body with empty metadata, so the skill keeps working
via /name but has no description for the model to match against, and the seven
affected agents (where name and description are required) may not load at all.
Eleven are fixed by quoting the existing scalar, leaving the text
byte-identical. design-system carries both ' and " so quoting would defeat the
repo's regex extractors in generate-docs.py and sync-codex-skills.py; its one
colon-space is reworded instead ("Precedence:" -> "Precedence is").
Two agents had no frontmatter at all and were being listed with a placeholder
description; both now declare name and description. tools is deliberately
omitted so they keep inheriting the full set, as before.
Assisted-by: Claude Code:claude-opus-5
New productivity/andreessen plugin — a Marc Andreessen-mode operator that
pressure-tests ventures/ideas/features/bets through his documented frameworks
(market > team > product; product/market fit is the only milestone; bias to
build) and runs his 3x5-card + Anti-Todo daily routine. Built as the
Andreessen-lens counterpart to a founder-operating-system plugin.
Runs on the user-supplied anti-sycophancy operating prompt, preserved verbatim
in references/operating_prompt.md (counterargument first, no premise validation,
no disclaimers, explicit confidence levels, no capitulation without new
evidence). The second emphasis block is operationalized as a posture-mapping
table so each instruction changes behavior rather than sitting as decoration.
Ships 3 stdlib-only deterministic tools (market_first_evaluator with a hard
sub-4 market kill gate, pmf_signal_scorer with the Sean Ellis 40% gate,
anti_todo_card enforcing the 3-5 cap), 4 references each citing 5-7 sources with
explicit confidence levels on every Andreessen attribution, cs-andreessen agent,
/cs:andreessen + /cs:pmf-check commands, and a worked 3x5-card asset.
Registered in marketplace.json + .codex skills index (productivity 5 -> 6).
.codex review/run/status symlinks reflect the sync generator's standard
collision resolution on the current tree.
https://claude.ai/code/session_01SF6MzfjHurZMt5JUFET9h3
