io.github.atarkowska/fastmcp-sqltools
SQL Server
Is the io.github.atarkowska/fastmcp-sqltools MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
A MCP server provides SQL database access with support for PostgreSQL, MySQL, and SQLite.
alive probed 2026-11-15 · unchanged since 2026-11-14
- Run it
- uvx fastmcp-sqltools@0.3.0 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- SQL Server 4.2.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 667 tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 727. The o200k_base estimate is 365. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/atarkowska/fastmcp-sqltools
- Registry
- active, updated 2026-01-05 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.83×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| execute_safe_query | 186 | 102 | 28 % |
| execute_query | 185 | 101 | 28 % |
| get_table_schema | 172 | 94 | 26 % |
| list_tables | 124 | 68 | 19 % |
Compare this server with others.
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Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.