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Skill Creator

anthropics/skill-creator

AnthropicBridgedsealed Jul 20, 2026

Grouped by public repo namespace. Bridged from skills.sh / SKILL.md sources. Not submitted or endorsed by those companies.

sha256:e438f6c18e5f…
FreeLog entrymintedinspectablecapabilitiesdigest-pinnedbridged

Skill Score

85/ 100 · Strong seal

WIP · 2.0-signals

Skill Score is actively being developed and will get sharper over time.

  • Sealed package20/20

    Minted .skill blob in the registry

  • Digest published15/15

    sha256 pin published on skillerr.com

  • Permissions declared15/15

    Capabilities / permissions declared

  • Source attested10/10

    Namespace, submitter, or source URL (not a vendor endorsement)

  • Transparency log0/15

    Log entry recorded at mint (offline verify pending) · https://search.sigstore.dev/?logIndex=2207403941

  • Release profile15/15

    evaluateReleaseProfile passed

  • Registry signal5/5

    7450 install(s) on registry

  • Not revoked5/5

    No revocation on log

Not a malware scan. Not “safe to run.” Transparent registry signals only. Inclusion is not endorsement.

Install

npx @skillerr/add anthropics/skill-creator

Registry pin: sha256:e438f6c18e5f… (shown on TrustView; install by name resolves to this sealed blob)

Sealed install targets

Writes skill-creator.skill (sealed ZIP) plus optional skillerr.json. Not a bare SKILL.md.

Download skill-creator.skill

Sealed ZIP with digest + skillerr.json. Not a bare SKILL.md.

Free skills install with npx @skillerr/add. Sign in for account history.

Sealed artifact

Install and download deliver a digest-pinned open .skill package (docs.skillerr.com). Pasting a SKILL.md from the internet has none of this proof.

  • ✓

    skill-creator.skill ZIP

    Open-protocol .skill ZIP (skill.json + workflow), not a public raw SKILL.md URL

  • ✓

    Registry digest pin

    sha256:e438f6c18e5f…

  • ✓

    Inspect before run

    TrustView on skillerr.com; SKILL.md is a lossy adapter inside the package

  • ✓

    Permissions surface

    Capabilities declared for review before install

  • ✓

    Transparency log

    Public Rekor log entry recorded at mint

Permissions map

  • fsFilesystemelevated

    Read or write files in the workspace

Declarations for humans and agents. Not a runtime sandbox guarantee.

Integrity verify

Confirm the digest on this page matches the live registry. This checks identity pins only: not a security scan.

expect sha256:e438f6c18e5fb532…
npx @skillerr/add info anthropics/skill-creator
curl -sS https://skillerr.com/api/v1/skills/anthropics/skill-creator | grep -o '"digest":"[^"]*"'

Summary

Author effective agent skills with clear triggers, steps, and evaluation criteria.

Description

Bridged from Anthropic's skill-creator guidance. Helps agents and humans write SKILL.md files that agents actually follow: crisp when-to-use sections, concrete steps, and eval hooks. Sealed on Skillerr so teams can pin a known-good version while iterating on local drafts.

Tags

authoringskillsanthropicbridged
Inspect package contentsSKILL.md inside .skill

TrustView preview on skillerr.com. Install and download serve the sealed package: there is no public raw SKILL.md URL.

# Skill Creator

Create effective agent skills with clear triggers, procedural steps, and evaluation criteria.

## Workflow

1. Define the skill's single job and when-to-use triggers
2. Write concrete, ordered steps agents can follow
3. Add examples and anti-patterns
4. Define how to evaluate success

## Output

A complete SKILL.md ready to seal with `skillerr/seal-skill`.

## Install

```bash
npx @skillerr/add @anthropics/skill-creator
```

Source: https://github.com/anthropics/skills

Verified

Public Ledger
Transparency log entry
https://search.sigstore.dev/?logIndex=2207403941

Recorded at mint to Sigstore Rekor. Offline verify pending on this host. Inclusion is not endorsement.

Transparency

published_at
2026-03-08T14:30:00.000Z
version
0.1.0
updated_at
2026-07-06T11:00:00.000Z
license
MIT
minted_at
2026-07-20T20:18:46.283Z
permanence
public Rekor log entry (mint receipt)
Transparency log entry
https://search.sigstore.dev/?logIndex=2207403941
digest
sha256:e438f6c18e5fb5328e9b496e5bf976d71e79922252b881b6f3bf36286e9cd54b

Public permanence uses Sigstore Rekor. The ledger link is shown when a real logIndex was recorded at mint. Green Anchored requires an offline inclusion proof verify. Catalog claims alone never paint Anchored. Inclusion is not endorsement.