always-compare skillA
always-compare is agent-read markdown (skill) from ai-analyst-lab/ai-analyst: Never present a metric or number in isolation; anchor every number to a comparison (prior period, benchmark, or another segment) or state that none is available. Use every time you show a number: rates, counts, revenue, averages, query results, chart labels, summary stats. Trigger on output containing "the rate is", "we saw", "total", "average", "conversion", "revenue", "users", "sessions", "churn", "AOV", "NPS", or any figure pulled from data..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# Skill: Always Compare ## Purpose A number alone is not an insight. "Conversion rate is 3.2%" tells the reader nothing actionable — they cannot tell if that is a crisis or a record high. This skill enforces one rule: **every metric ships with a comparison.** ## When to Use Before presenting ANY number to the user — in chat, in a report, in a chart caption, in a Slack message, or on a slide. This runs on every analysis output, alongside `question-framing` (which runs at the start; this one runs at the end). ## The Rule > **Never show a number alone. Anchor it to at least one comparison.** Pick the comparison that best serves the decision. In priority order: | # | Comparison Type | Use When | Example | |---|---|---|---| | 1 | **vs. prior period** | The question is "is this changing?" | "down from 4.1% last month" | | 2 | **vs. benchmark / average** | The question is "is this normal?" | "below the 3.8% site-wide average" | | 3 | **vs. another segment** | The question is "who is affected?" | "vs. 5.4% on desktop" | **Two comparisons beat one.** A prior-period delta plus a benchmark tells the reader both the direction and the altitude. Use both when you have both. …
Read the whole file at its exact version.
How to install
mdr add ai-analyst-lab/ai-analyst/always-compare@git:20260827.7ff2e25mdr add ai-analyst-lab/ai-analyst/always-compare@sha256:e6073d07e1a8639ePin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_tamzfcddpzhleone)
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Versions
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5743 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
ai-analyst-lab/ai-analyst · 302 stars · license MIT · pushed 2026-09-22 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_tamzfcddpzhleone GET https://markdownregistry.com/api/v1/resolve?ref=ai-analyst-lab/ai-analyst/always-compare GET https://markdownregistry.com/api/v1/blob/e6073d07e1a8639ea7dc538f2e6a4733f02d156607a338d2ea7f62593b887b0c
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