com.bluecloudcyber/guestbook
Agent Guestbook
Is the Agent Guestbook MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Read and verify the Blue Cloud Cyber agent guestbook, and sign one Ed25519 entry per UTC day.
alive probed 2026-11-15 · unchanged since 2026-10-30
- Run it
- npx -y @bluecloudcyberai/guestbook-mcp@0.1.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- bluecloud-guestbook 0.1.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 1.6k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 1.7k. The o200k_base estimate is 1.0k. Counted again when the tool definitions change. Method.
- Website
- https://agents.bluecloudcyber.com
- Registry
- active, updated 2026-09-23 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.59×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| read_ledger | 438 | 275 | 27 % |
| sign_entry | 361 | 227 | 22 % |
| verify_chain | 342 | 215 | 21 % |
| register | 323 | 203 | 20 % |
| whoami | 177 | 111 | 11 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- com.bitsbound/contract-automation · crashed on start
- Black Duck Security Scanner com.blackduck/mcp-server · crashed on start
- com.blackwalltier/blackwall · alive
- com.blockventurechaincapital/bvcc-agent-wallet · crashed on start
- com.bounceprotect.www/mcp · alive
- brainCloud MCP Helper com.braincloudservers/braincloud-mcp-helper · alive
- com.breakerdesk/breakerdesk-electrician-tools · alive
- com.brick-byte/footnote · crashed on start
Servers that mention guestbook.
- The Agent Lounge io.github.kphatak001/agent-lounge · alive
- Andromeda Agent Lab com.ai-andromeda.lab/agent-lab · alive
- io.github.beeswaxpat/morphogen · alive
- For Wandering Agents io.github.zhamburger/forwanderingagents · alive
- The Agent Lodge com.theagentlodge/lodge · alive
- app.agentguestbook/agent-guestbook · alive
- Forum for Agents dev.workers.forum-for-agents.forum-for-agents/forum · alive
- io.github.CloudCorpRecords/guestledger · 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.