io.github.Flosk6/spawner
Spawner
Is the Spawner MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.
Preview environments on your self-hosted Spawner server: a copy of your app for each git branch
alive probed 2026-11-14 · unchanged since 2026-10-27
- Run it
- npx -y spawner-cli@2.2.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- spawner 2.2.1
- Capabilities
- tools
- Instructions
- 730 characters
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.0k tokens in Claude Opus 5.5, exact, measured 2026-10-28. With the Claude Code prefix mcp__…__ on each tool name: 3.1k. The o200k_base estimate is 1.8k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Flosk6/Spawner
- Website
- https://spawner.run/docs/agents/
- Registry
- active, updated 2026-10-11 · registry entry
- Changes
- 2 recorded, reachable in 2 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, 1.65×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| spawner_up | 576 | 348 | 19 % |
| spawner_exec | 483 | 292 | 16 % |
| spawner_logs | 472 | 285 | 16 % |
| spawner_url | 339 | 205 | 11 % |
| spawner_share | 276 | 167 | 9 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.Flan246/dsh-lit-search · alive
- io.github.Flightradar24/fr24api-mcp · alive
- Claude Code Ultimate Guide io.github.FlorianBruniaux/claude-code-guide · alive
- io.github.FlorianBruniaux/dep-scope · crashed on start
- io.github.Fluke-Studio/uk-business-intelligence · alive
- FlyTrap io.github.FlyTrap-QA/mcp · needs env
- io.github.FlywheelStudio/ulink · alive
- Fonino io.github.Fonino/fonino · alive
Servers that mention spawner or environments or preview.
- io.github.nogoo9/no-crd · not found
- Augenix ai.augenix/build · alive
- FlutterGo ai.fluttergo/remote · needs auth
- Hlix ai.hlix/hlix · needs auth
- ai.powerline/inbox-preview · alive
- ai.pullpush/pullpush-mcp · needs auth
- WebRun Browser Automation ai.webrun/webrun · alive
- zdte.ai SPX Market Structure ai.zdte/market-structure · alive
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-27 06:54 | alive | 322 ms | 9 | 3.0k | 1.8k |
| 2026-10-20 06:42 | alive | 408 ms | 9 | 1.8k |
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.