ppa-predict SKILL.md skillA
ppa-predict from vibeic/vibe-ic is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add vibeic/vibe-ic/ppa-predict@git:20261106.a0a79f8Pins git:20261106.a0a79f8 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- vibeic/vibe-ic
- Path
vibe-ic-marketplace/plugins/vibe-ic/skills/ppa-predict/SKILL.md- Versions recorded
- 5
- Latest version
- git:20261106.a0a79f8, committed Nov 6, 2026
- First version recorded
- Jun 13, 2026
- Size
- 6,756 bytes
- Repository stars
- 32
- License
- Apache-2.0
EARLY, PRE-SYNTHESIS ESTIMATE of power, performance and area — a ranged guess produced before any tool has run, never a measurement and never admissible as final PPA. Use when the user says "estimate PPA", "how big will this be", "what's the area of this module", "will this meet timing", or wants a sanity check before committing to a long synthesis run. For numbers parsed out of real tool artefacts, use `ppa-measure` instead — the two must never share a table.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# PPA Predict ## Read this before the first number: this is an estimate Every number this skill produces carries status `ESTIMATED`, and `docs/PPA_INTERFACES.md` §2 is unambiguous about what that status may do: | status | may enter a numeric comparison | |---|---| | `MEASURED` | yes | | `ESTIMATED` | **never in final PPA** | So a number from this skill may be used to choose between two RTL variants, to size a floorplan before it exists, or to decide whether a synthesis run is worth starting. It may not be used to answer whether a design met its target, it may not be carried into a PPA report, and it may not be compared against a number that came from an artefact. A prediction and a measurement look identical once they are two cells of the same table, which is why they are never allowed to become two cells of the same table. **The skill that measures is `ppa-measure`.** It reads the actual native tool artifacts and reports their measured values with scope and source paths. This skill has read no artefact — that is the whole point of it, and it is also the whole limit of it. This skill also produces no gate verdict. Whether an estimate is good enough to …
Read the whole file at its exact version.
How to install
mdr add vibeic/vibe-ic/ppa-predict@sha256:b7fc93a553f59adaThe line at the top of this page pins the label git:20261106.a0a79f8, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_jbgd6j7d7roif4xy)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Jun 13, 2026 and Nov 6, 2026, about one every 36 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261106.a0a79f8 latest | 2026-11-06 | a0a79f8 | 6,756 B | A | view · diff |
| git:20261105.13b7a3f | 2026-11-05 | 13b7a3f | 8,950 B | A | view · diff |
| git:20260825.9926828 | 2026-08-25 | 9926828 | 9,616 B | A | view · diff |
| git:20260821.2618654 | 2026-08-21 | 2618654 | 7,946 B | A | view · diff |
| git:20260613.86cacb4 | 2026-06-13 | 86cacb4 | 4,886 B | A | view |
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 (6756 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
vibeic/vibe-ic · 32 stars · license Apache-2.0 · pushed 2026-11-08 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_jbgd6j7d7roif4xy GET https://markdownregistry.com/api/v1/resolve?ref=vibeic/vibe-ic/ppa-predict GET https://markdownregistry.com/api/v1/blob/b7fc93a553f59ada3c14a8b11577f25f2d5b142cc7876ee5470a8a1bb1415a22
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.