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FC knowfun

Generate educational content using Knowfun.io API - create courses, posters, games, and films with AI. Use when user wants to generate educational content, visual materials, or interactive experiences.

Not recommendedlow grade F
ClawHub Agent Skills author: duguyixiaono1 v1.0.15 MIT-0 32 files · 2 scripts body ≈ 990 tokens Open the sourceclawhub.ai↗ analyzed 3 d ago

As a process C 59/100 · Has gaps — weak spots: result and completion, when it triggers, consistency

GeneratorInfrastructureLearningtype 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
F
34/100
safety, quality, tests
Safety 60%
3
Quality 40%
81
Run on models
none yet
Process rating
C
59/100
Has gaps
Result and completion w 14
0
Progress reporting w 2
0
When it triggers w 12
20
the three weakest of ten parameters · all ten

What is at stake

Medium-severity findings: the skill is probably honest, but read what alarmed the scanner.

Dangerous commands medium severity

Below is the worst case for this category. The finding here is medium: the guard saw a sign, not a proof.

If you install

The skill contains commands that delete files, rewrite disks or execute code fetched from the network. The agent may run them without asking if it believes the instructions require it.

For the author

Replace destructive commands with safe equivalents that ask for confirmation, scope them to one folder, and stop piping curl into a shell: pin a version and a checksum.

Broad scope medium severity

Below is the worst case for this category. The finding here is medium: the guard saw a sign, not a proof.

If you install

The skill asks for more than the task needs: broad tool access, credential environment variables, binaries. Every extra permission widens the damage from a mistake or a compromise.

For the author

Narrow allowed-tools and the variable list to the minimum; replace binaries with readable sources or scripts.

How to improve

    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 · 21

    ✓ No critical or high findings

    Medium and low: 21
    • medium Dangerous commands cmd-shell-rc INSTALLATION_CN.md:97
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION_CN.md:144
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION_CN.md:195
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION_CN.md:236
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc && source ~/.zshrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION_CN.md:239
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.bashrc && source ~/.bashrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION.md:97
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION.md:144
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION.md:195
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION.md:236
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc && source ~/.zshrc
    • medium Dangerous commands cmd-shell-rc INSTALLATION.md:239
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.bashrc && source ~/.bashrc
    • medium Dangerous commands cmd-shell-rc integrations/openclaw/README_CN.md:51
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc integrations/openclaw/README.md:51
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc QUICKSTART_CN.md:60
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc QUICKSTART.md:60
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc README_CN.md:74
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc README_CN.md:285
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_key"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc README.md:74
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_api_key_here"' >> ~/.zshrc
    • medium Dangerous commands cmd-shell-rc README.md:277
      Writes to a shell startup file
      echo 'export KNOWFUN_API_KEY="kf_your_key"' >> ~/.zshrc
    • medium Broad scope meta-broad-allowed-tools SKILL.md:1
      Broad tool permissions pre-approved: Bash(curl
      allowed-tools: Bash(curl *) Read Write
    • low Exfiltration read-dotenv CONTRIBUTING.md:62
      Reads a .env file
      cp .env.example .env
    • low Exfiltration read-dotenv CONTRIBUTING.md:242
      Reads a .env file
      cp .env.example .env

    Files scanned: 32. Evidence is masked. Grey chips explain why severity was lowered.

    Against the Agent Skills spec

    ✓ No remarks against the Agent Skills spec

    Process rating: all ten parameters 59/100

    • 0Result and completion. Does not say what the result is
    • 0Progress reporting. Says nothing while it works
    • 20When it triggers. No condition that starts the skill
    • 30Running it twice. 2 mutating operations with no state check
    • 40Consistency. Frontmatter name (knowfun) differs from the folder (knowfun-skills)
    • 50Failures and branches. 0 branches, has a failure section
    • 70Inputs and preconditions. Inputs and preconditions are listed
    • 100Tools and files. Tools declared in frontmatter
    • 100Steps. 33 steps
    • 100Execution cost. Instruction body is 990 tokens
    • low 10 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)
    • +3Output format is not stated: the model decides each time
    • -32 of 2 scripts are never mentioned in SKILL.md
    • +1No license
    • +2Single-language instructions
    • +3Description length 201: enough signal without eating the budget
    • +4Structure: 21 headings
    • +3Step-by-step instructions: 33 items
    • +4Has examples (8 code blocks)

    Quality base 70; lint remarks subtract, signals add up to 100. Result: 81.

    External checks

    ClawHub: suspicious
    The skill appears to be a real Knowfun.io API client, but its setup and agent-use guidance gives it credential-backed, credit-spending access with weak warnings around secret storage, remote/natural-language execution, and data sent to the external service.
    LLM: suspicious (medium) · VirusTotal: · 29 May 2026