io.github.skanthemore/sellat-mcp
Sellat
Is the Sellat MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-03.
Proof of existence for files from any MCP client: hashed locally, anchored on Polygon and Bitcoin.
alive probed 2026-11-15 · unchanged since 2026-11-03
- Run it
- npx -y sellat-mcp@0.3.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- sellat 0.3.3
- Capabilities
- tools
- Instructions
- 1 463 characters
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 2.4k tokens in Claude Opus 5.5, exact, measured 2026-11-03. With the Claude Code prefix mcp__…__ on each tool name: 2.5k. The o200k_base estimate is 1.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/skanthemore/sellat-mcp
- Website
- https://sellat.app/developers
- Registry
- active, updated 2026-11-02 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.75×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| sellat_verify | 419 | 239 | 18 % |
| sellat_download | 391 | 223 | 16 % |
| sellat_find | 373 | 213 | 16 % |
| sellat_stamp | 363 | 207 | 15 % |
| sellat_seal | 245 | 140 | 10 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
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- RoutineKit io.github.sjh9714/routinekit · crashed on start
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- io.github.sjk4425/ncloud-gov · alive
- io.github.skill-federation/skillfed-mcp · alive
- Federal Compass MCP io.github.skivuha/federal-compass-mcp · alive
- io.github.skrcode/bestjsonformatter · alive
- io.github.skunkobi/leclerc-drive · alive
Servers that mention existence or anchored.
- AnchoredIP com.anchoredip/anchoredip · alive
- Booking Request com.bonissystems/booking-request · alive
- Knox Anchor com.bonissystems/knox-anchor · alive
- Citation Safe Verifier com.citationsafe/verifier · no DNS
- Crovia — verifiable silence (TACET) and Crovia Seal com.croviatrust/crovia · alive
- com.dropwatchhq/bio-catalyst · alive
- com.eurorackref/eurorack · not found
- FindWeedNY com.findweedny/findweedny · 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.