io.github.sitbon/magg
Magg
Is the Magg MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Aggregates and proxies other MCP servers, letting LLMs discover, add, and manage tools at runtime.
alive probed 2026-11-14 · unchanged since 2026-10-31
16tools
3.7ktokens in Claude Opus 5.5
1.8 %of Claude's 200k window
1.5×the median server
3.2 sto initialize
19 msto list tools
- Run it
- uvx magg@1.2.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- magg 3.4.11
- Capabilities
- experimental, extensions, logging, prompts, resources, tools
- Instructions
- 558 characters
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 3.7k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 3.8k. The o200k_base estimate is 2.1k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/sitbon/magg
- Website
- https://github.com/sitbon/magg
- Registry
- active, updated 2026-08-02 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| magg_add_server | 1 213 | 682 | 33 % |
| proxy | 749 | 421 | 20 % |
| magg_smart_configure | 379 | 213 | 10 % |
| magg_check | 199 | 112 | 5 % |
| magg_reload_config | 183 | 103 | 5 % |
Compare this server with others.
More servers
Other registry entries on pypi.org, the ones next to this name; all of them.
- Custom Domain API io.github.sireto/custom-domain · crashed on start
- UniFi Access MCP io.github.sirkirby/unifi-access-mcp · crashed on start
- UniFi Network MCP io.github.sirkirby/unifi-network-mcp · crashed on start
- UniFi Protect MCP io.github.sirkirby/unifi-protect-mcp · crashed on start
- Reversecore MCP io.github.sjkim1127/reversecore-mcp · alive
- skforecast-ai io.github.skforecast/skforecast-ai · needs args
- email-tool io.github.skhan61/email-tool · alive
- M3 Memory io.github.skynetcmd/m3-memory · alive
Servers that mention magg.
- Dr. Maggie Geller, OD com.maggiegeller/bookings · server error
- Motor Current Signature Analysis io.github.LGDiMaggio/mcp-server-mcsa · needs mcp<2
- Predictive Maintenance io.github.LGDiMaggio/predictive-maintenance-mcp · needs network
- Dorm Kit – hand-picked gift ideas io.github.maggat/dorm-gifts · alive
- Pet Welcome Box – hand-picked gift ideas io.github.maggat/pet-gifts · alive
- Baby Registry – hand-picked gift ideas io.github.maggat/baby-gifts · alive
- Graduation Gifts – hand-picked gift ideas io.github.maggat/studenten-gifts · alive
- Mother's Day Gifts – hand-picked gift ideas io.github.maggat/mothers-gifts · 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.