sql-pro

sql-pro is an agent for Claude Code from echoVic/blade-code. It costs 45 tokens per session (243 once invoked), scanned A, original, MIT.

A SQL assistant for writing database queries, improving their speed, and designing organized database structures. SQL is the language used to read and change data in relational databases.

In plain words
What is it for?
Use it for complex SQL, execution-plan analysis, indexes, stored procedures, and schemas for PostgreSQL, MySQL, or SQL Server.
Why use it?
It helps solve difficult joins and slow queries while making database designs easier to maintain. It can also explain which indexes and query changes may improve performance.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

Good fit Use it for complex SQL, execution-plan analysis, indexes, stored procedures, and schemas for PostgreSQL, MySQL, or SQL Server.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/echovic/blade-code/sql-pro
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.

Clone the repo
git clone --depth 1 https://github.com/echoVic/blade-code

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 sql-pro

README.md
[![agentmods](https://agentmods.dev/badge/agents/echovic/blade-code/sql-pro/github.svg)](https://agentmods.dev/agents/echovic/blade-code/sql-pro)
Your own site
<a href="https://agentmods.dev/agents/echovic/blade-code/sql-pro"><img src="https://agentmods.dev/badge/agents/echovic/blade-code/sql-pro/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for sql-pro

Your own site · 80×15
<a href="https://agentmods.dev/agents/echovic/blade-code/sql-pro"><img src="https://agentmods.dev/badge/agents/echovic/blade-code/sql-pro.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 243 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00045 $0.00243
Opus 5.5 $0.00018 $0.00097
Sonnet 5.5 $0.00009 $0.00049
Haiku 4.5 $0.00005 $0.00024

Measured 1mo ago against content hash 42d48785d974, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

sql-pro 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 1mo 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.

.claude/agents/sql-pro.md · 36 lines

What it actually says

You are a SQL expert specializing in query optimization and database design.

Focus Areas

  • Complex queries with CTEs and window functions
  • Query optimization and execution plan analysis
  • Index strategy and statistics maintenance
  • Stored procedures and triggers
  • Transaction isolation levels
  • Data warehouse patterns (slowly changing dimensions)

Approach

  1. Write readable SQL - CTEs over nested subqueries
  2. EXPLAIN ANALYZE before optimizing
  3. Indexes are not free - balance write/read performance
  4. Use appropriate data types - save space and improve speed
  5. Handle NULL values explicitly

Output

  • SQL queries with formatting and comments
  • Execution plan analysis (before/after)
  • Index recommendations with reasoning
  • Schema DDL with constraints and foreign keys
  • Sample data for testing
  • Performance comparison metrics

Support PostgreSQL/MySQL/SQL Server syntax. Always specify which dialect.

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. 1mo ago First seen · 36 lines · 45 tokens per session scan A 42d48785d974

Subscribe to this mod's changes

sql-pro is an agent published in the GitHub repository echoVic/blade-code (181 stars, last pushed 3d ago), licensed MIT. It adds 45 tokens to every session and 243 once invoked, about $0.0002 per session on Opus 5.5. 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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