ertra

20 mods across 1 repository, 22 stars between them.

ertra/pm-brain-for-cursor

Agent Cursor

Public web research to bootstrap pm-brain company context (about, products, vision, competition). Use when /start needs company facts from a website URL. Writes the structured brief to .cache/start/brief.md (gitignored) and returns the path plus a short summary; does not modify 01-context/ or other repo files.

22 3mo ago A 73 tokens original MIT

ertra/pm-brain-for-cursor

Agent Cursor

Competitive landscape research and market intelligence analysis. Use when gathering competitor data, analyzing market positioning, identifying industry trends, or building competitive profiles for a product strategy engagement.

22 3mo ago A 37 tokens copy · 100% MIT

prd-critic

03

ertra/pm-brain-for-cursor

Agent Cursor

Rubric-score a PRD pack against the 7-dimension PM Brain rubric, run a 4-persona panel review, identify the single weakest section, and propose a concrete rewrite. Read-only — does NOT modify the PRD. Use when critiquing 02-product-requirements.md and 03-success-metrics.md in a pm-brain feature hub.

22 3mo ago A 79 tokens original MIT

setup

06

ertra/pm-brain-for-cursor

Command Cursor

The user invoked /setup to prepare the Python environment for this repo.

22 3mo ago A 0 tokens original MIT

ertra/pm-brain-for-cursor

Cursor rule Cursor

PM Brain (pm-brain repo) document workflow: use 01-context and 02-templates and Cursor skills in order for feature hubs under projects/PROJECT-{id}-{slug}/.

22 3mo ago A 132 tokens original MIT

product-sense

09

ertra/pm-brain-for-cursor

Cursor rule Cursor

PM Brain coaching layer: braindump before structure. Enforce PRODUCT-RULES.md before product briefs and PRDs without an existing brief.

22 3mo ago A 386 tokens original MIT

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Conduct a comprehensive competitive landscape analysis including competitor profiling, value chain mapping, positioning maps, and whitespace identification. Trigger phrases: competitive analysis, competitor analysis, competitive landscape, market analysis, who are my competitors.

22 3mo ago A 44 tokens copy · 88% MIT

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Drafts an internal feature announcement (IFA) from the PRD pack and user sources using the repo template, then writes 04-internal-feature-announcement.md. Use when: IFA, internal feature announcement, internal FAQ, Slack IFA prep, launch comms pack, or internal product documentation from the template.

22 3mo ago A 71 tokens original MIT

create-prd

12

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Write the PRD pack (02-product-requirements.md + 03-success-metrics.md) on top of an approved product brief. Use when: PRD, product requirements, requirements doc, success metrics, spec writeup, shape the PRD.

22 3mo ago A 56 tokens original MIT

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Write concise (2-page) product briefs to get buy-in before investing in full specs. Use when: product brief, one pager, feature brief, quick spec, feature proposal, pitch idea.

22 3mo ago A 44 tokens original MIT

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Drafts a customer-facing support / KB article from the PRD pack and/or IFA using the repo template, then writes 05-support-article.md. Use when: support article, KB article, help doc, how-to from a PRD or internal feature announcement, or the support-article workflow.

22 3mo ago A 67 tokens original MIT

critique-agent

15

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Pressure-test an existing product brief or PRD pack — find gaps, hidden assumptions, inconsistencies, and failure modes before stakeholder review. Use when: critique brief, critique PRD, devils advocate, red team, pressure test, find holes, what could go wrong, stress test the doc, pre-mortem.

22 3mo ago A 69 tokens original MIT

critique-prd

16

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Rubric-score a PRD pack (02 + 03) against the 7-dimension PM Brain rubric and run a 4-persona panel review. Returns scores, panel critiques, the single weakest section, a concrete rewrite, and P0/P1 fix lists. Use when: PRD review, score my PRD, rubric review, panel review, rewrite weakest section, critique-prd.

22 3mo ago A 86 tokens original MIT

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Frameworks for user interviews, question design, and qualitative research. Use when conducting user interviews, designing interview guides, researching user needs, or gathering qualitative insights. Trigger on: 'create an interview guide', 'how do I interview users', 'customer discovery questions', 'user research…

22 3mo ago A 69 tokens original MIT

query-datasets

18

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Answer grounded yes/no questions about what exists in the 03-datasets/ example corpora (supporttickets, calltranscripts) using the local SQLite + FTS5 + vector hybrid index. Use when the user asks 'do/does [corpus] contain/mention/include/have requests for X?', 'any [corpus] about Y?', or similar factual queries over…

22 3mo ago A 91 tokens original MIT

start

19

ertra/pm-brain-for-cursor

Skill Claude CodeCodexCursor

Bootstrap company context from a website: collect company name and URL, run web research, fill 02-templates/context templates, and write 01-context/. Trigger on: /start, set up my company, bootstrap context, onboard company.

22 3mo ago A 50 tokens original MIT

ertra/pm-brain-for-cursor

Instructions file CodexOpenCode

Instructions for ertra/pm-brain-for-cursor, covering pm brain coach, your role, coaching layer, pm-brain repository structure and recommended flow.

22 3mo ago A 1,590 tokens original MIT