com.stringutilitybelt/mcp
String Utility Belt
Is the String Utility Belt MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-02.
MCP server exposing String Utility Belt's utilities and pipelines as tools for AI agents.
alive probed 2026-11-14 · unchanged since 2026-11-02
- Run it
- npx -y @string-utility-belt/mcp@1.10.4 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- subelt 1.10.4
- Capabilities
- completions, resources, tools
- Instructions
- 502 characters
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.1k tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 3.2k. The o200k_base estimate is 2.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/String-Utility-Belt/string-utility-belt
- Website
- https://stringutilitybelt.com
- Registry
- active, updated 2026-11-01 · registry entry
- Changes
- 3 recorded, reachable in 3 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, 1.60×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| run_pipeline | 1 074 | 673 | 34 % |
| run_utility | 678 | 425 | 22 % |
| detect_format | 523 | 328 | 17 % |
| list_utilities | 495 | 310 | 16 % |
| describe_utility | 361 | 226 | 12 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- The Standard Icon Set com.standardicon/icons · alive
- com.star-meet/mcp-starmeet · not found
- StatementSure com.statementsure/statementsure · alive
- Stravue com.stravue/mcp · alive
- Strip AI Metadata com.stripaimetadata/strip-ai-metadata · alive
- com.super-log/super-log · alive
- com.synder/gl-importer-mcp · alive
- SyteCheck com.sytecheck/sytecheck-mcp · needs env
Servers that mention utility or string.
- raccha.ai ai.raccha/raccha · alive
- String Web Access ai.usestring/web-access · alive
- Stringer CleanExtract app.getstringer/cleanextract · alive
- Stringer Grounded Synthesizer app.getstringer/synthesizer · alive
- com.abundanceapis/abundance-apis · alive
- APIVerve com.apiverve/mcp-server · needs auth
- ApyHub Utility Tools (US) com.apyhub/mcp-server-us · needs auth
- ApyHub Utility Tools (EU) com.apyhub/mcp-server-eu · 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 |
|---|---|---|---|---|---|
| 2026-10-26 06:58 | alive | 397 ms | 5 | 3.1k | 2.0k |
| 2026-10-24 06:28 | alive | 244 ms | 5 | 2.0k | |
| 2026-10-17 06:13 | alive | 376 ms | 5 | 3.1k | 2.0k |
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.