database-schema-expert

database-schema-expert is an agent for coding agents from schemacrawler/SchemaCrawler-AI-MCP-Server-Usage. It costs 21 tokens per session (939 once invoked), scanned A, original, EPL-2.0.

A specialist agent for examining and documenting database structures with SchemaCrawler AI MCP Server. A database schema describes tables, columns, relationships, and other structural rules.

In plain words
What is it for?
Use it to explore database schemas and produce documentation about the database structure.
Why use it?
It helps developers understand an unfamiliar database structure without having to map every table and relationship manually.

Agent

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/schemacrawler/schemacrawler-ai-mcp-server-usage/database-expert
Clone the repo
git clone --depth 1 https://github.com/schemacrawler/SchemaCrawler-AI-MCP-Server-Usage

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 database-schema-expert

README.md
[![agentmods](https://agentmods.dev/badge/agents/schemacrawler/schemacrawler-ai-mcp-server-usage/database-expert.svg)](https://agentmods.dev/agents/schemacrawler/schemacrawler-ai-mcp-server-usage/database-expert)
Your own site
<a href="https://agentmods.dev/agents/schemacrawler/schemacrawler-ai-mcp-server-usage/database-expert"><img src="https://agentmods.dev/badge/agents/schemacrawler/schemacrawler-ai-mcp-server-usage/database-expert.svg" alt="Measured on agentmods" height="20"></a>
Per session 21 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 939 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00021 $0.00939
Opus 5 $0.00010 $0.00469
Sonnet 5 $0.00004 $0.00188
Haiku 4.5 $0.00002 $0.00094

Measured 5d ago against content hash 4eb154cb34ef, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

database-schema-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 5d 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.

.github/agents/database-expert.agent.md · 78 lines

The source is not reproduced here

Licensed EPL-2.0

The repository is licensed EPL-2.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. 5d ago First seen · 78 lines · 21 tokens per session scan A 4eb154cb34ef

Subscribe to this mod's changes

database-schema-expert is an agent published in the GitHub repository schemacrawler/SchemaCrawler-AI-MCP-Server-Usage (28 stars, last pushed 1mo ago), licensed EPL-2.0. It adds 21 tokens to every session and 939 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 2026-08-30.

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