io.github.specshield26/specshield-mcp-server
specshield-mcp-server
Is the io.github.specshield26/specshield-mcp-server MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.
The API-change deploy gate for AI coding agents. Read-only breaking-change detection.
alive probed 2026-11-14 · unchanged since 2026-11-01
- Run it
- npx -y specshield-mcp-server@1.0.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- specshield-mcp-server 1.0.2
- Capabilities
- resources, tools
- Instructions
- none
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 1.7k tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 1.8k. The o200k_base estimate is 959. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/specshield26/specshield-mcp-server
- Registry
- deprecated, updated 2026-08-16 · 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, 1.76×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| is_change_safe | 416 | 236 | 25 % |
| compare_specs | 365 | 207 | 22 % |
| generate_migration_guide | 314 | 178 | 19 % |
| generate_release_notes | 314 | 178 | 19 % |
| explain_breaking_changes | 282 | 160 | 17 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.spanlens/mcp-server · needs network
- spec-guard io.github.spec-family/spec-guard · alive
- spec-harness io.github.spec-family/spec-harness · crashed on start
- io.github.specshield-io/specshield-mcp-server · alive
- io.github.spectra-g/engram · alive
- SpeechWeave io.github.speechweave/mcp · alive
- io.github.spences10/mcp-omnisearch · alive
- io.github.spences10/mcp-sqlite-tools · alive
Servers that mention detection or breaking.
- ai.dragoneye/mcp · needs auth
- ai.responsibleailabs/rail-score · no DNS
- Stompy – AI Memory for Claude & MCP Agents ai.stompy/stompy · needs auth
- ai.roc/mcp · timeout
- Walter Writes ai.walterwrites/mcp-server · needs auth
- APICK Vision app.apick/vision · alive
- B20 Check com.b20check/b20check · timeout
- Bynn com.bynn/bynn · needs auth
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-25 06:55 | alive | 383 ms | 5 | 1.7k | 959 |
| 2026-10-18 06:43 | alive | 347 ms | 5 | 959 |
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.