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o365-credential-harvest

Harvest and replay O365 / Entra ID access via the OAuth device-code flow and captured tokens (TokenTactics-style), skipping the password + MFA prompts.

68

Quality

84%

Does it follow best practices?

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SecuritybySnyk

Critical

Do not install without reviewing

SKILL.md
Quality
Evals
Security

Quality

Content

93%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

An efficient, highly actionable body with executable commands and a validation checkpoint, well-organized for a compact single-file skill. The main gap is the absence of an explicit numbered sequence and error-recovery feedback loop across the two flows.

Suggestions

Add a short numbered overview (request code → lure → poll → replay → validate) to make the end-to-end sequence explicit across both flows.

Add a brief feedback note for the poll step (e.g., expected authorization_pending vs. expired_token responses and how to react) to strengthen the validation loop.

DimensionReasoningScore

Conciseness

Lean ~45-line body that assumes Claude's competence — no preamble explaining OAuth, device-code flow, or token reuse; every line and inline comment earns its place.

5 / 5

Actionability

Copy-paste-ready curl commands against real Microsoft endpoints with concrete params, jq extraction, and a specific validation Graph call covering the common cases.

5 / 5

Workflow Clarity

Clear request→poll→replay→validate sequence with an explicit Validate checkpoint, but it is presented as two parallel flows rather than a single numbered sequence with error-recovery feedback loops.

4 / 5

Progressive Disclosure

Under 50 lines with no bundle files needed; content is well-organized into clearly headed sections (Device-code flow, Token replay, Validate, Evidence, RoE/OPSEC), meeting the simple-skill exception for a 5.

5 / 5

Total

19

/

20

Passed

Description

75%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A specific, distinct description that clearly states what the skill does, but it lacks an explicit 'Use when…' trigger clause, which limits its completeness score. Trigger terms are strong but slightly jargon-heavy.

Suggestions

Append an explicit 'Use when…' clause listing natural trigger phrases (e.g., 'Use when conducting O365/Entra ID phishing, device-code lures, or captured token replay').

Add common natural synonyms such as 'Microsoft 365' and 'token replay' alongside the technical jargon to broaden trigger coverage.

DimensionReasoningScore

Specificity

Lists multiple concrete actions — 'Harvest and replay O365 / Entra ID access', 'via the OAuth device-code flow and captured tokens', 'skipping the password + MFA prompts' — covering the domain comprehensively.

5 / 5

Completeness

The 'what' is clear and concrete, but there is no 'Use when…' clause or equivalent trigger guidance, which caps completeness at 3 per the rubric guidelines.

3 / 5

Trigger Term Quality

Strong technical keywords (O365, Entra ID, OAuth device-code, TokenTactics, MFA) but leans jargon-heavy and omits common natural variants like 'Microsoft 365' or 'token replay' as a user phrase.

4 / 5

Distinctiveness Conflict Risk

Targets a narrow, well-defined niche (O365/Entra token harvest via device-code flow + replay) with distinct triggers and minimal overlap with other skills.

5 / 5

Total

17

/

20

Passed

Validation

87%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation14 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

metadata_version

'metadata.version' is missing

Warning

metadata_field

'metadata' should map string keys to string values

Warning

Total

14

/

16

Passed

Repository
PurpleAILAB/Decepticon
Reviewed

Table of Contents

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