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

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

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

Upstream.so has no declared pricing — check the project's own site. Auth: oauth 2.0. Alttext MCP has no declared pricing — check the project's own site. 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 Upstream.so and Alttext MCP at the same time in my AI client?

Yes. MCP clients support multiple servers: add upstream-so and alttext-mcp 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, Upstream.so has a quality signal of 48/100 (Fair) with 0 views, 0 installs and 1 GitHub stars. Alttext MCP has 55/100 (Good) with 0 views, 0 installs and 0 GitHub stars.

Upstream.so vs Alttext MCP — MCP Server Comparison

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

Feature & specification comparison

Rows where the two servers differ are marked.

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

Tools & capabilities

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

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.

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.

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

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 vs Alttext MCP

Which MCP server should you choose?

U
Choose Upstream.so when

Choose Alttext MCP when

Feature & specification comparison

Tools & capabilities

Upstream.so tools 32

Alttext MCP tools 12

Ready-to-paste client configs

Upstream.so

Alttext MCP

Frequently asked questions

UChoose Upstream.so when

Choose Alttext MCP when

Upstream.so tools 32

Alttext MCP tools 12

Upstream.so

Alttext MCP

Frequently asked questions

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

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

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

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

Which MCP server has higher directory engagement and quality ratings?

Popular comparisons with Upstream.so

Popular comparisons with Alttext MCP

U
Choose Upstream.so when