Security & Guardrails16.5ms Reflex$0 / MIT License
16,100 active downloads
SQL Syntax Checker
Sub-20ms AST verification for agent-generated SQL queries
Author: DataShield
GitHub Repository →jevproxy // sql-syntax-checker (reflex kernel)
$npx jevproxy run sql-checker
JevProxy Intercept Resolved(Mode: DIRECT_REFLEX)
16.5ms|Cost: $0.0001|0 reasoning tokens burned
STDOUT • Tool Call Output:Status: 200 OK
agent.dispatch(verify_sql_syntax)
payload: { "sql_query": { "type": "string", "description": "SQL query string" }, "dialect": { "type"...
✔ Decision short-circuited in 16.5ms without roundtrip to frontier LLM.
Upstream token bill saved: $0.0150 on this turn.
SQL Syntax Checker
Compatible with Cursor, Claude Code, Windsurf, OpenCode
TRADITIONAL LLM CALL:UNOPTIMIZED
• Median Latency: 1410 ms
• Cost per Turn: $0.0150
• Mode: Full KV Cache Reload & TTFT Prefill
JEVPROXY REFLEX KERNEL:77x FASTER
• Median Latency: 16.5 ms
• Cost per Turn: $0.0001
• Accuracy: 99.9% deterministic
1-Click CLI Execution
Run this tool accelerated through the JevProxy gateway without manual wiring:
npx jevproxy run sql-checkerOpenAI / Anthropic Tool Schema
JSON SpecificationPaste this schema into your agent tools definition or Cursor extensions:
{
"type": "function",
"function": {
"name": "verify_sql_syntax",
"description": "Parse SQL query AST and check for syntax errors or destructive commands",
"parameters": {
"type": "object",
"properties": {
"sql_query": {
"type": "string",
"description": "SQL query string"
},
"dialect": {
"type": "string",
"enum": [
"postgres",
"mysql",
"sqlite"
]
}
},
"required": [
"sql_query"
]
}
}
}Technical Architecture & Usage
Database Safety for AI Agents
Prevents agents from executing malformed SQL or accidentally dropping tables, returning typed validation errors in 16.5ms.
Accelerate SQL Syntax Checker with JevProxy
Get 5,000,000 free decision tokens. Eliminate the 3-second tool freeze in Cursor and Claude Code in under 60 seconds.