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Open-source embedding database for AI applications. Store embeddings and metadata, perform vector and full-text search, filter by metadata. Simple 4-function API. Scales from notebooks to production clusters. Use for semantic search, RAG applications, or document retrieval. Best for local development and open-source projects.

67

Quality

82%

Does it follow best practices?

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SecuritybySnyk

High

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SKILL.md
Quality
Evals
Security

Quality

Content

65%

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

The body is highly actionable with broad executable examples, but it is over-long for an overview, duplicates integration content already in a reference file it never links to, and omits validation steps for destructive/batch operations.

Suggestions

Move the LangChain/LlamaIndex/server-mode detail into references/integration.md and replace the inline blocks with a single signaled link, removing the duplication.

Trim marketing material (star/fork metrics, tagline, Resources section) so the overview stays lean and token-efficient.

Add validation/verification checkpoints around destructive and batch operations (e.g., confirm collection exists before delete, verify added-document counts after batch add).

DimensionReasoningScore

Conciseness

Code blocks are mostly lean, but the body is padded with marketing ("AI-native database for building LLM applications with memory", GitHub star/fork metrics, Resources) and duplicates the LangChain/LlamaIndex integration code that already lives in references/integration.md — content that could be tightened.

2 / 3

Actionability

Provides many copy-paste-ready executable examples covering install, CRUD, filters, embedding functions, and server mode, matching the fully-executable anchor; the custom-embedding template is an explicitly-justified flexibility spot rather than pseudocode.

3 / 3

Workflow Clarity

Numbered core operations (1–6) give a sequence, but destructive and batch operations (delete collection, delete documents, batch add) lack validation or verification checkpoints, capping this dimension at 2 per the destructive-ops guideline.

2 / 3

Progressive Disclosure

A references/integration.md file exists but is never linked from the body, its content is duplicated inline, and the ~400-line body mixes overview with full API reference — structure is present but not well signaled or split.

2 / 3

Total

9

/

12

Passed

Description

100%

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

The description is specific, trigger-rich, and answers both what the skill does and when to use it in concise third-person voice. Minor marketing flavor ("Simple 4-function API", "Scales from notebooks to production clusters") does not undermine its clarity.

DimensionReasoningScore

Specificity

Lists multiple concrete actions in third person — "Store embeddings and metadata, perform vector and full-text search, filter by metadata" — matching the multi-action anchor rather than the single-domain score-2 example.

3 / 3

Completeness

Explicitly states both what it does (store/search/filter metadata, 4-function API) and when to use it ("Use for semantic search, RAG applications, or document retrieval"), satisfying the explicit-trigger anchor.

3 / 3

Trigger Term Quality

Covers natural terms a user would say — "embedding database", "vector search", "semantic search", "RAG applications", "document retrieval" — with good variation rather than the sparse score-2 case.

3 / 3

Distinctiveness Conflict Risk

Occupies a clear open-source embedding-database niche with distinct triggers, unlikely to fire for managed or pure-search alternatives; not the generic score-1/2 case.

3 / 3

Total

12

/

12

Passed

Validation

81%

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

Validation13 / 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

frontmatter_unknown_keys

Unknown frontmatter key(s) found; consider removing or moving to metadata

Warning

Total

13

/

16

Passed

Repository
NousResearch/hermes-agent
Reviewed

Table of Contents

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