io.github.cmendezs/mcp-cfdi-mx
mcp-cfdi-mx
Is the io.github.cmendezs/mcp-cfdi-mx MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
MCP server for Mexican electronic invoicing (CFDI 4.0, Pagos 2.0)
alive probed 2026-11-15 · unchanged since 2026-11-14
6tools
4.0ktokens in Claude Opus 5.5
2.0 %of Claude's 200k window
1.6×the median server
9.6 sto initialize
645 msto list tools
- Run it
- uvx mcp-cfdi-mx@0.4.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- mcp-cfdi-mx 4.2.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 451 characters
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 4.0k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 4.1k. The o200k_base estimate is 2.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cmendezs/mcp-cfdi-mx
- Registry
- active, updated 2026-09-12 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.68×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| mx__seal_cfdi | 1 147 | 681 | 29 % |
| mx__verify_tfd | 709 | 421 | 18 % |
| mx__build_pago | 657 | 390 | 16 % |
| mx__build_cfdi | 616 | 366 | 15 % |
| mx__validate_cfdi | 616 | 366 | 15 % |
Compare this server with others.
More servers
Other registry entries on pypi.org, the ones next to this name; all of them.
- cloudcostwise io.github.cloudwise-app/cloudcostwise · alive
- Cluefinch MCP io.github.cluefinch/mcp · alive
- Clipboard io.github.cmeans/mcp-clipboard · alive
- Synology NAS io.github.cmeans/mcp-synology · crashed on start
- io.github.cmendezs/mcp-einvoicing-ae · alive
- io.github.cmendezs/mcp-einvoicing-be · alive
- MCP E-Invoicing Core io.github.cmendezs/mcp-einvoicing-core · crashed on start
- io.github.cmendezs/mcp-einvoicing-de · alive
Servers that mention cfdi.
- Mexico Invoices (CFDI 4.0 factura electrónica) app.wishpool/mexico-invoice-mcp · no DNS
- Notsy Facturación io.github.HEUSAI/notsy-facturacion · alive
- Fiscal y nomina MX — SAT, ISR, CFDI, IMSS, finiquito io.github.danielasalgadov/fiscal · alive
- io.github.tlaloc-sh/tlaloc-mcp · needs auth
- Timbrix — CFDI 4.0 para México mx.timbrix/mcp · needs auth
- io.github.codespar/mcp-facturapi · alive
- Mexican Tax & Banking io.github.OrtaMarco/mx-fiscal-mcp-server · alive
- Cefidia com.cefidia/mcp · needs auth
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.