Generate alt text, translate descriptions, and manage your AltText.ai image library.
Connect Runs on your machine
claude mcp add alttext-mcp -e ALTTEXT_API_KEY=<ALTTEXT_API_KEY> -e ALTTEXT_API_BASE_URL=<ALTTEXT_API_BASE_URL> -- npx -y @alttext_ai/[email protected]
{
"mcpServers": {
"alttext-mcp": {
"command": "npx",
"args": [
"-y",
"@alttext_ai/[email protected]"
],
"env": {
"ALTTEXT_API_KEY": "<ALTTEXT_API_KEY>",
"ALTTEXT_API_BASE_URL": "<ALTTEXT_API_BASE_URL>"
}
}
}
}
{
"mcpServers": {
"alttext-mcp": {
"command": "npx",
"args": [
"-y",
"@alttext_ai/[email protected]"
],
"env": {
"ALTTEXT_API_KEY": "<ALTTEXT_API_KEY>",
"ALTTEXT_API_BASE_URL": "<ALTTEXT_API_BASE_URL>"
}
}
}
}
{
"servers": {
"alttext-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@alttext_ai/[email protected]"
],
"env": {
"ALTTEXT_API_KEY": "<ALTTEXT_API_KEY>",
"ALTTEXT_API_BASE_URL": "<ALTTEXT_API_BASE_URL>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
ALTTEXT_API_KEYRequired, secret | Your AltText.ai API key |
ALTTEXT_API_BASE_URLOptional | Optional API base URL override for proxies or alternate endpoints |
Details
| Package | @alttext_ai/[email protected] (NPM, stdio) |
| First published | 17 Sep 2026 |
| Last updated | 17 Sep 2026 |
| Registry name | io.github.alttextai/alttext-mcp |
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