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BC instagram-page

Instagram Business manager: post photos, reels, stories & get insights. Requires: powershell/pwsh. Reads ~/.config/instagram-page/credentials.json (IG_ACCESS_TOKEN, IG_USER_ID). IG_APP_SECRET for one-time setup only — delete afterward. Token expires every 60 days — refresh before expiry. Grant minimal permissions only. No data forwarded to third parties; all calls go to graph.facebook.com only.

modbender/skill-library-mcp Agent Skills author: modbender MIT 1 file body ≈ 3 124 tokens Open the sourcegithub.com↗ analyzed 3 d ago

Instagram Business manager: post photos, reels, stories & get insights.

As a process C 63/100 · Has gaps — weak spots: result and completion, when it triggers, running it twice

IntegrationMarketingtype 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
83/100
safety, quality, tests
Safety 60%
90
Quality 40%
72
Run on models
none yet
Process rating
C
63/100
Has gaps
Result and completion w 14
0
When it triggers w 12
20
Running it twice w 4
30
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.
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 · 10

✓ No critical or high findings

Medium and low: 10
  • low Exfiltration exfil-secret-in-url SKILL.md:47
    Credential passed in a URL query string (normal for some APIs — verify the host is the intended service) (the skill's own vendor host; quoted — discussed, not commanded)
    $r1 = Invoke-RestMethod "https://graph.facebook.com/oauth/access_token?grant_type=…&client_id=…&client_secret=…&fb_exchange_token=…"
    vendor-hostquoted
  • low Exfiltration net-credential-use SKILL.md:47
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    $r1 = Invoke-RestMethod "https://graph.facebook.com/oauth/access_token?grant_type=…&client_id=…&client_secret=…&fb_exchange_token=…"
    vendor-host
  • low Exfiltration exfil-secret-in-url SKILL.md:50
    Credential passed in a URL query string (normal for some APIs — verify the host is the intended service) (the skill's own vendor host; quoted — discussed, not commanded)
    $r2 = Invoke-RestMethod "https://graph.facebook.com/v25.0/$fbPageId?fields=…&access_token=…"
    vendor-hostquoted
  • low Exfiltration net-credential-use SKILL.md:50
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    $r2 = Invoke-RestMethod "https://graph.facebook.com/v25.0/$fbPageId?fields=…&access_token=…"
    vendor-host
  • low Exfiltration exfil-secret-in-url SKILL.md:71
    Credential passed in a URL query string (normal for some APIs — verify the host is the intended service) (the skill's own vendor host; quoted — discussed, not commanded)
    $r = Invoke-RestMethod "https://graph.facebook.com/oauth/access_token?grant_type=…&access_token=…"
    vendor-hostquoted
  • low Exfiltration net-credential-use SKILL.md:71
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    $r = Invoke-RestMethod "https://graph.facebook.com/oauth/access_token?grant_type=…&access_token=…"
    vendor-host
  • low Exfiltration exfil-secret-in-url SKILL.md:112
    Credential passed in a URL query string (normal for some APIs — verify the host is the intended service) (the skill's own vendor host; quoted — discussed, not commanded)
    $result = Invoke-RestMethod -Uri "https://graph.facebook.com/v25.0/ENDPOINT?access_token=…" -ErrorAction Stop
    vendor-hostquoted
  • low Exfiltration net-credential-use SKILL.md:112
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    $result = Invoke-RestMethod -Uri "https://graph.facebook.com/v25.0/ENDPOINT?access_token=…" -ErrorAction Stop
    vendor-host
  • low Exfiltration exfil-secret-in-url SKILL.md:123
    Credential passed in a URL query string (normal for some APIs — verify the host is the intended service) (the skill's own vendor host; quoted — discussed, not commanded)
    $result = Invoke-RestMethod -Uri "https://graph.facebook.com/v25.0/{id}?access_token=…" -Method DELETE -ErrorAction Stop
    vendor-hostquoted
  • low Exfiltration net-credential-use SKILL.md:123
    Credential used in a network call (verify the destination is the intended service) (the skill's own vendor host)
    $result = Invoke-RestMethod -Uri "https://graph.facebook.com/v25.0/{id}?access_token=…" -Method DELETE -ErrorAction Stop
    vendor-host

Files scanned: 1. Evidence is masked. Grey chips explain why severity was lowered.

Against the Agent Skills spec

  • warning description-no-when description does not say WHEN to use the skill (no "use when")

Process rating: all ten parameters 63/100

  • 0Result and completion. Does not say what the result is
  • 20When it triggers. No condition that starts the skill
  • 30Running it twice. 21 mutating operations with no state check
  • 60Tools and files. Uses tools (web) that frontmatter does not declare
  • 70Inputs and preconditions. Inputs and preconditions are listed
  • 100Steps. 23 steps
  • 100Failures and branches. 3 branches, has a failure section
  • 100Consistency. Name and required fields are in place
  • 100Execution cost. Instruction body is 3124 tokens
  • 100Progress reporting. Reports progress
  • high The skill tells the model to perform an irreversible action with no human approval

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
  • +1No license
  • +2Single-language instructions
  • +3Description length 397: enough signal without eating the budget
  • +4Structure: 9 headings
  • +3Step-by-step instructions: 23 items
  • +4Has examples (12 code blocks)

Quality base 70; lint remarks subtract, signals add up to 100. Result: 72.