io.github.alttextai/alttext-mcp
alttext-ai
Is the io.github.alttextai/alttext-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Generate alt text, translate descriptions, and manage your AltText.ai image library.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y @alttext_ai/alttext-mcp@1.0.5 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- alttext-ai 1.0.5
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 4.1k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 4.2k. The o200k_base estimate is 2.2k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/alttextai/alttext-mcp
- Registry
- active, updated 2026-09-17 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.81×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| generate_alt_text_from_file | 675 | 372 | 17 % |
| generate_alt_text | 655 | 361 | 16 % |
| scrape_page | 515 | 284 | 13 % |
| update_image | 368 | 203 | 9 % |
| bulk_create | 364 | 201 | 9 % |
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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.