vector-db-expert

vector-db-expert is an agent for Claude Code from 0xfurai/claude-code-subagents. It costs 22 tokens per session (353 once invoked), scanned A, original, MIT.

An expert guide to vector databases, which store numerical representations of data so similar items can be found. It covers indexing, embeddings, similarity searches, and handling large collections of vectors.

In plain words
What is it for?
Use it to design vector storage, improve similarity queries, prepare embedding data, reduce vector size, and plan systems for large datasets.
Why use it?
It helps build searches based on meaning or similarity instead of exact words, while keeping retrieval efficient as the data grows.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter.

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add agents/0xfurai/claude-code-subagents/vector-db-expert
Clone the repo
git clone --depth 1 https://github.com/0xfurai/claude-code-subagents

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for vector-db-expert

README.md
[![agentmods](https://agentmods.dev/badge/agents/0xfurai/claude-code-subagents/vector-db-expert.svg)](https://agentmods.dev/agents/0xfurai/claude-code-subagents/vector-db-expert)
Your own site
<a href="https://agentmods.dev/agents/0xfurai/claude-code-subagents/vector-db-expert"><img src="https://agentmods.dev/badge/agents/0xfurai/claude-code-subagents/vector-db-expert.svg" alt="Measured on agentmods" height="20"></a>
Per session 22 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 353 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00022 $0.00353
Opus 5 $0.00011 $0.00177
Sonnet 5 $0.00004 $0.00071
Haiku 4.5 $0.00002 $0.00035

Measured 2d ago against content hash 9452f1b42bcd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

vector-db-expert scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

agents/vector-db-expert.md · 54 lines

What it actually says

Focus Areas

  • Vector data indexing and retrieval
  • Similarity search algorithms
  • Vector embedding techniques
  • Dimensionality reduction methods
  • Optimization of vector queries
  • Scalability of vector databases
  • Managing large-scale vector datasets
  • Vector database architecture
  • Data preprocessing for vector databases
  • Use cases for vector databases

Approach

  • Implement efficient indexing for vector data
  • Optimize vector similarity search algorithms
  • Design schemas tailored for vector storage
  • Utilize advanced techniques for vector embeddings
  • Reduce dimensionality while preserving data integrity
  • Efficiently handle high-dimensional vector queries
  • Scale systems to handle large vector datasets
  • Architect resilient and performant vector databases
  • Develop tailored preprocessing pipelines for vectors
  • Explore and analyze vector database use cases

Quality Checklist

  • Ensure fast and accurate vector data retrieval
  • Validate similarity search results
  • Optimize embedding quality and performance
  • Minimize query latency for vector operations
  • Maintain dimensionality integrity during reduction
  • Ensure scalability with large vector datasets
  • Evaluate architectural choices for performance
  • Validate preprocessing pipelines for accuracy
  • Monitor vector database performance
  • Confirm alignment with use case requirements

Output

  • Optimized vector database schemas
  • Fast and reliable vector search results
  • High-quality vector embeddings
  • Efficient dimensionality reduction outputs
  • Detailed scalability plans for vector systems
  • Robust vector database architectural documentation
  • Accurate preprocessing pipelines for vector data
  • Comprehensive use case analyses for vector databases
  • Performance benchmarks for vector operations
  • Detailed reports on vector database optimizations
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 54 lines · 22 tokens per session scan A 9452f1b42bcd

Subscribe to this mod's changes

vector-db-expert is an agent published in the GitHub repository 0xfurai/claude-code-subagents (996 stars, last pushed 10mo ago), licensed MIT. It adds 22 tokens to every session and 353 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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