startup-competitors is a skill in ferdinandobons/startup-skill, last changed 30 Jun 2026. It is instructions only: no scripts, no named hosts and no pre-approved tools.

From the author
Deep competitive intelligence for any market. Analyzes competitors' products, pricing, customer sentiment, GTM strategy, and growth signals using real web data. Produces battle cards, pricing landscape, and feature matrix. Use when the user wants to understand their competitive landscape, analyze competitors, compare products in a market, or research who they're competing against. Triggers for "who are my competitors", "competitive analysis", "competitor research", "battle cards", "pricing comparison", "competitor pricing", "market players", "competitive intelligence", "competitive landscape", "who else is in this space", "competitive moat", or any request to profile, compare, or map competitors in a category. Works standalone — no prior startup-design session needed.

At a glance

What it can touch

  • Instructions only

It is instructions only: no scripts, no named hosts and no pre-approved tools.

How much a skill can do, not whether it is risky.

Pattern check

Nothing flagged

That isn't proof the skill is harmless.

Commit a5f97c3 · 29 Oct 2026

How the check works

Pattern check: nothing flagged

That isn't proof the skill is harmless.

Install

Each tab says whether it installs commit a5f97c3, the one we checked, or the latest version.

Read SKILL.md first
MIT
Licence
1.2k
Repo stars
Publisher
Files

What it can touch

From the files and frontmatter at commit a5f97c3. This is how much a skill can do, not whether it is risky.

Instructions only

It is instructions only: no scripts, no named hosts and no pre-approved tools.

Pattern check

Pattern check: nothing flagged · commit a5f97c3 · 29 Oct 2026

We checked every text file in this skill, at commit a5f97c3 on 29 Oct 2026, against 45 published patterns such as download-and-run commands, hidden text and credential access. We don't run the skill, we don't read the web pages it points to, and we can't judge everything its instructions might lead an agent to do. In published tests, pattern checks like this one missed most malicious skills. Read the skill before you install it — especially anything it asks you to download or run.

How the check worksReport an incorrect finding

Format check

Each agent reads SKILL.md a little differently. We check the file against each one's published rules; we don't run the skill in any agent.

  • Agent Skills specPasses

    The open format from agentskills.io, held to what the strictest agents enforce, so one folder loads everywhere.

    • Note

      There is no license field, so readers can't tell whether they may reuse the skill. O2

      Fix: Add license: with an SPDX name such as MIT or Apache-2.0, or the name of a bundled licence file.

    • Note

      Reference files over 100 lines with no table of contents at the top: references/research-scaling.md (107 lines), references/research-synthesis.md (238 lines), references/research-wave-1-profiles-pricing.md (187 lines), references/research-wave-2-sentiment-mining.md (198 lines), references/research-wave-3-gtm-signals.md (200 lines) and 1 more. B5

      Fix: Add a short list of the sections at the top of each.

  • Claude CodePasses

    Claude Code reads its own extra fields, ignores unknown ones, and still loads a skill whose frontmatter is broken, without its fields.

    • Note

      Reference files over 100 lines with no table of contents at the top: references/research-scaling.md (107 lines), references/research-synthesis.md (238 lines), references/research-wave-1-profiles-pricing.md (187 lines), references/research-wave-2-sentiment-mining.md (198 lines), references/research-wave-3-gtm-signals.md (200 lines) and 1 more. B5

      Fix: Add a short list of the sections at the top of each.

  • Claude apps & API uploadPasses

    Uploading to claude.ai or the Claude API, or packaging with Anthropic's script, accepts only the six spec fields and stops on anything else.

    • Note

      The description is 778 characters. The claude.ai Help Center says 200 at most, though Anthropic's API docs and validator allow 1,024. D4

      Fix: If the claude.ai upload refuses it, trim the description to 200 characters.

    • Note

      Reference files over 100 lines with no table of contents at the top: references/research-scaling.md (107 lines), references/research-synthesis.md (238 lines), references/research-wave-1-profiles-pricing.md (187 lines), references/research-wave-2-sentiment-mining.md (198 lines), references/research-wave-3-gtm-signals.md (200 lines) and 1 more. B5

      Fix: Add a short list of the sections at the top of each.

  • OpenAI (Codex & API)Passes
  • VS Code & CopilotPasses

SKILL.md

Files

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