io.github.Bishop81/csvto-mcp

csvto

Is the io.github.Bishop81/csvto-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.

Local CSV, JSON and Excel conversion. Files are never uploaded and never enter the context.

alive probed 2026-11-14 · unchanged since 2026-10-27

10tools

3.9ktokens in Claude Opus 5.5

1.9 %of Claude's 200k window

1.5×the median server

811 msto initialize

11 msto list tools

Run it: npx -y csvto-mcp@0.1.2 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: csvto 0.2.0
Capabilities: tools
Instructions: none
Of a 1M window: 0.4 % of a 1M context window
Count: 3.9k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 4.0k. The o200k_base estimate is 2.2k. Counted again when the tool definitions change. Method.
Repository: https://github.com/Bishop81/csvto
Website: https://csvtosite.com
Registry: active, updated 2026-08-31 · registry entry
Changes: 2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.75×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
read_rows	486	277	13 %
csv_to_pdf	486	277	13 %
csv_to_sql	446	254	12 %
csv_to_json	435	248	11 %
csv_to_xml	405	231	10 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention conversion or uploaded.

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-10-27 06:53	alive	680 ms	10	3.9k	2.2k
2026-10-20 06:40	alive	811 ms	10		2.2k

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.