What is the main functional difference between Alttext MCP and Upstream.so?

Alttext MCP is categorized under Multimedia Process and uses a local stdio subprocess. Upstream.so belongs to Multimedia Process and uses an install path we have not confirmed yet. Pick Alttext MCP for multimedia process work and Upstream.so for multimedia process.

How do I install Alttext MCP or Upstream.so in Claude Desktop, Cursor, or Windsurf?

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client. Upstream.so has no confirmed install command yet — follow its own setup instructions.

Are Alttext MCP and Upstream.so free to use, or do they require API keys?

Alttext MCP has no declared pricing — check the project's own site. Upstream.so has no declared pricing — check the project's own site. Auth: oauth 2.0. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Can I run both Alttext MCP and Upstream.so at the same time in my AI client?

Yes. MCP clients support multiple servers: add alttext-mcp and upstream-so as separate keys in the same mcpServers object, and your assistant will call tools from either one.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Alttext MCP has a quality signal of 55/100 (Good) with 0 views, 0 installs and 0 GitHub stars. Upstream.so has 48/100 (Fair) with 0 views, 0 installs and 1 GitHub stars.

Alttext MCP vs Upstream.so — MCP Server Comparison

Alttext MCP vs Upstream.so — MCP Server Comparison | AllMCPs

Feature & specification comparison

Rows where the two servers differ are marked.

Spec	Alttext MCP	U Upstream.so
Category	Multimedia Process	Multimedia Process
Quality signal	55/100 · Good	48/100 · Fair
Install command	Confirmed	Not confirmed yet
Transport	Local subprocess (stdio)	—
Auth	Not declared	OAuth 2.0
Pricing	Not declared	Not declared
Required env vars	`ALTTEXT_API_KEY`	None listed
Verified owner	Community listing	Community listing
GitHub stars	0	1
Directory activity	0 views 0 installs 0 upvotes	0 views 0 installs 0 upvotes
Tools	12	32
Full listing	View Alttext MCP	View Upstream.so

Tools & capabilities

Alttext MCP tools 12

get_accountCheck your credit balance, usage, and account settings.
update_accountUpdate account name, webhook URL, or notification email.
generate_alt_textGenerate alt text for an image URL. Supports multilingual output, custom prompts, keywords, and character limits. Uses account credits.
generate_alt_text_from_fileGenerate alt text from a local image file. Automatically base64-encodes and uploads. Uses account credits.
translate_imageAdd alt text in a new language for an existing image (by asset_id). Uses account credits.
list_imagesList images in your library with pagination.
search_imagesSearch your image library by alt text content.
get_imageGet details for a specific image by asset ID.
update_imageUpdate alt text, tags, or metadata for an image.
delete_imageDelete an image from your library.
bulk_createBulk generate alt text from a CSV file with image URLs and optional metadata.
scrape_pageScan a web page, find images missing alt text, and queue generation. Results are async -- use `list_images` to check progress.

Upstream.so tools 32

list_streamsList the streams owned by the account, newest first, paginated.
get_streamGet one stream by UUID: settings, status, tags, destinations.
create_streamCreate a stream — name, platform (`youtube`, `twitch`, `kick`, `custom`, `customsrt`), stream key.
update_streamPartially update a stream; only provided fields change.
delete_streamPermanently delete a stream and its configuration.
start_streamStart broadcasting to the stream's platform.
stop_streamStop a running stream. This interrupts a live broadcast for viewers.
get_stream_queueGet the ordered items of one queue.
add_to_stream_queueAppend media UUIDs to a queue — or `{url, name}` objects for `external-videos`.
remove_from_stream_queueRemove one item. The media file itself is not deleted.
reorder_stream_queueReplace a queue's playback order with a full ordered list of ids.
list_mediaList and search the library, paginated. Filter by type, name or folder.
+20 more on the listing page

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Alttext MCP

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "alttext-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@alttext_ai/alttext-mcp"
      ],
      "env": {
        "ALTTEXT_API_KEY": "YOUR_ALTTEXT_API_KEY_HERE"
      }
    }
  }
}

Upstream.so

No confirmed install command for Upstream.so yet — follow the setup steps linked from its listing page rather than a guessed package name.

Alttext MCP vs Upstream.so

Which MCP server should you choose?

Choose Alttext MCP when

U
Choose Upstream.so when

Feature & specification comparison

Tools & capabilities

Alttext MCP tools 12

Upstream.so tools 32

Ready-to-paste client configs

Alttext MCP

Upstream.so

Frequently asked questions

Choose Alttext MCP when

UChoose Upstream.so when

Alttext MCP tools 12

Upstream.so tools 32

Alttext MCP

Upstream.so

Frequently asked questions

What is the main functional difference between Alttext MCP and Upstream.so?

How do I install Alttext MCP or Upstream.so in Claude Desktop, Cursor, or Windsurf?

Are Alttext MCP and Upstream.so free to use, or do they require API keys?

Can I run both Alttext MCP and Upstream.so at the same time in my AI client?

Which MCP server has higher directory engagement and quality ratings?

Popular comparisons with Alttext MCP

Popular comparisons with Upstream.so

U
Choose Upstream.so when