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BD 数学可视化服务

基于JSXGraph的MCP协议服务器，提供13种数学可视化工具，适用于教育数学、工程和科学应用。

ClawHub Agent Skills author: Ning Cai v1.0.1 MIT-0 7 files body ≈ 19 436 tokens Open the sourceclawhub.ai↗ analyzed 19 h ago

基于JSXGraph的MCP协议服务器，提供13种数学可视化工具，适用于教育数学、工程和科学应用。

As a process D 40/100 · Unfinished process — weak spots: result and completion, inputs and preconditions, failures and branches

ProcedureSoftware developmentAI and agentsWriting and documentstype and topics are labelled automatically from the skill text
Runs in: OpenClaw Claude / Claude Code ChatGPT / Codex Gemini CLI Cursor GitHub Copilot / VS Code Qwen Code Kimi Code CLI Z.ai (GLM) DeepSeek (Deep Code) Mistral Vibe LangChain (deepagents) Goose OpenCode
JSON
Technical rating
B
82/100
safety, quality, tests
Safety 60%
100
Quality 40%
55
Run on models
none yet
Process rating
D
40/100
Unfinished process
Result and completion w 14
0
Inputs and preconditions w 11
0
Failures and branches w 10
0
the three weakest of ten parameters · all ten

How to improve

  1. Say in the description WHEN to use the skill ("use when…", example requests): that is the agent's main cue.
  2. The SKILL.md body is over 5,000 tokens: move reference detail into references/ and load it when needed.
For the model run — optional
  • Your own cases (evals/evals.json, 4–6 real requests with expected answers): the full check would then run those instead of a model-drafted suite.
  • A spec.yaml with trigger phrases and assertions — a behaviour contract for CI; `skilltest init` writes a template.

Guard findings · 0

✓ No critical or high findings

Files scanned: 7. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning name-format name should be kebab-case (lowercase letters, digits, hyphens)
  • warning description-no-when description does not say WHEN to use the skill (no "use when")
  • warning body-long SKILL.md body ≈ 19436 tokens (recommended < 5000); move details to references/

Process rating: all ten parameters 40/100

  • 0Result and completion. Does not say what the result is
  • 0Inputs and preconditions. Does not say what the process needs to start
  • 0Failures and branches. Linear process with no failure handling
  • 10Execution cost. Instruction body is 19436 tokens: crowds the task out of the window
  • 30Running it twice. 5 mutating operations with no state check
  • 40Consistency. Frontmatter name (数学可视化服务) differs from the folder (mathematical-visualization)
  • 50When it triggers. No condition that starts the skill
  • 60Steps. 307 steps, 4 vague phrases
  • 100Tools and files. No external tools needed
  • 100Progress reporting. Reports progress
  • medium Safety rules and hard prohibitions inside a skill: they belong in the system prompt, here they protect nothing
  • low 26 top-level sections: this looks like several domains in one skill

Everything here is measured from the skill text rather than judged by a model, so the numbers are checkable. A parameter weighs more when it is a more common reason for the process to stall.

Quality signals

  • +5Description has no quoted example phrases that should trigger the skill
  • +4Description does not say when NOT to use the skill (false activations)
  • +3Description length 49: 120–800 characters recommended
  • +3Output format is not stated: the model decides each time
  • -282 emoji in the instructions: noise for the model
  • +1No license
  • +2Single-language instructions
  • +4Structure: 47 headings
  • +3Step-by-step instructions: 307 items
  • +4Has examples (2 code blocks)
  • +3All 4 scripts are documented

Quality base 70; lint remarks subtract, signals add up to 100. Result: 55.

External checks

ClawHub: clean
This is an API-backed math visualization skill; it has real credential and network considerations, but the behavior is mostly disclosed and aligned with its purpose.
LLM: benign (high) · VirusTotal: · 3 Jul 2026