com.fourthfeed/fourthfeed
Fourth Feed
Is the Fourth Feed MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.
Search AI video tools: prices, free credits, traffic and agent-readiness.
alive probed 2026-11-14 · unchanged since 2026-11-13 · HTTP 200
- Endpoint
- https://fourthfeed.com/mcp (streamable-http)
- Host
- fourthfeed.com
- Protocol
- 2025-11-25
- Reports itself as
- fourthfeed 1.0.0
- Capabilities
- tools
- Instructions
- 480 characters
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.4k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 1.5k. The o200k_base estimate is 846. Counted again when the tool definitions change. Method.
- Website
- https://fourthfeed.com/about
- Registry
- active, updated 2026-11-13 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.71×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| submit_tool | 414 | 243 | 29 % |
| search_tools | 317 | 186 | 22 % |
| get_tool | 203 | 119 | 14 % |
| list_referrals | 181 | 106 | 13 % |
| list_new_tools | 155 | 91 | 11 % |
Compare this server with others.
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- Calfeed ai.calfeed/calfeed · needs auth
- Caulo ai.caulo/caulo · needs auth
- Cerebrium Docs ai.cerebrium/docs · alive
- Clearvoyance ai.clearvoyance/clearvoyance · alive
- ai.corduroy-labs/updates · alive
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.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.