io.github.CloudCorpRecords/signalfeed

signalfeed

Is the io.github.CloudCorpRecords/signalfeed MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-12.

US filing-event streams in one schema: insider clusters, 13D/G, 13F, 8-K, Form D, FDA and more.

alive probed 2026-11-14 · unchanged since 2026-11-12

7tools

867tokens in Claude Opus 5.5

0.4 %of Claude's 200k window

0.3×the median server

210 msto initialize

4 msto list tools

Run it: npx -y @reneturcios/signalfeed@0.1.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: signalfeed 0.1.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 867 tokens in Claude Opus 5.5, exact, measured 2026-11-12. With the Claude Code prefix mcp__…__ on each tool name: 937. The o200k_base estimate is 485. Counted again when the tool definitions change. Method.
Repository: https://github.com/CloudCorpRecords/signalfeed
Registry: active, updated 2026-11-04 · registry entry
Changes: 3 recorded, reachable in 3 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
search_events	368	206	42 %
company_events	145	81	17 %
get_event	89	50	10 %
list_event_types	77	43	9 %
usage	64	36	7 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention clusters or insider.

AkkruData ai.akkrudata/akkrudata · needs auth
ClawTerminal ai.clawterminal/markets · needs auth
InsiderAlpha ai.insideralpha/insider-alpha · needs auth
MRC Data — China's Apparel Supply Chain Infrastructure ai.meacheal/mrc-data · alive
Signal8 ai.signal8/mcp · alive
ai.smithery/arjunkmrm-tutorials · not found
Mengi Cloud cloud.mengi/mengi-cloud · needs auth
com.affogata.app/affogata · needs auth

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-11-12 08:53	alive	249 ms	7	867	485
2026-11-05 08:35	alive	278 ms	7	867	485
2026-11-04 08:03	alive	210 ms	7		485

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.