io.github.juanklagos/sdd-mcp
sdd-mcp
Is the io.github.juanklagos/sdd-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Spec-Driven Development workflow: specs, plans, gates, status and logbook tools. Bilingual EN/ES.
alive probed 2026-11-15 · unchanged since 2026-10-31
- Run it
- npx -y @juanklagos/sdd-mcp@2.8.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- sdd-mcp 2.8.0
- Capabilities
- prompts, resources, tools
- Instructions
- none
- Of a 1M window
- 1.2 % of a 1M context window
- Count
- 12k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 12k. The o200k_base estimate is 6.6k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/juanklagos/spec-driven-development-template
- Registry
- active, updated 2026-08-25 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.76×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| sdd_update_spec_sections | 625 | 356 | 5 % |
| sdd_board_write | 607 | 346 | 5 % |
| sdd_update_spec_status | 465 | 265 | 4 % |
| sdd_write_spec_document | 427 | 243 | 4 % |
| sdd_approve_spec | 400 | 228 | 3 % |
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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.