Executes SQL in a real ephemeral database: rows, typed errors with suggestions, plans, diffs.
Connect Remote server
claude mcp add --transport http sqlai-dev-sql-verifier https://mcp.sqlai.dev/mcp
{
"mcpServers": {
"sqlai-dev-sql-verifier": {
"url": "https://mcp.sqlai.dev/mcp"
}
}
}
{
"servers": {
"sqlai-dev-sql-verifier": {
"type": "http",
"url": "https://mcp.sqlai.dev/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.sqlai.dev/mcp
Tools 5 found in our last check
run_sqlExecute a SQL query against a fresh ephemeral in-memory database built from your schema (and optional seed rows). Returns real rows (max 500, truncation flagged), column names+types, row_count, and dialect notes. Errors come back as structured JSON with type/position/suggestion…
validate_sqlValidate a SQL query against a schema WITHOUT executing it (parse + name/type binding via EXPLAIN). Returns ok with referenced tables, or a structured error: {type: unknown_column|unknown_table|syntax|..., message, position, suggestion}. The suggestion is rule-based (edit distan…
explain_planReturn the engine-native query plan for a query (SQLite: EXPLAIN QUERY PLAN) plus full-table-scan warnings. Use it to check whether an index would be used before recommending one. Example: "SELECT * FROM orders WHERE status=?" on an unindexed column → plan ["SCAN orders"], warni…
run_sql_batchRun up to 10 queries against the same schema+seed. Each query executes in its OWN fresh database — writes in one query are NOT visible to the next (use this for testing variants, not for multi-statement transactions). Returns an array of run_sql results in order.
diff_resultsAnswer "do these two queries return the same thing?" — the self-check for query refactors. Executes query_a and query_b against identical fresh databases and compares result multisets (order-insensitive; order divergence reported separately when ORDER BY is present). Returns equ…
Details
| Endpoint | https://mcp.sqlai.dev/mcp (Streamable HTTP) |
| First published | 7 Jul 2026 |
| Last updated | 7 Jul 2026 |
| Registry name | io.github.JadeSparrow/sqlai-dev-sql-verifier |
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