Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add MoizIbnYousaf/marketing-cli --skill mktg-xgit clone --depth 1 https://github.com/MoizIbnYousaf/marketing-cliWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/moizibnyousaf/marketing-cli/mktg-x)<a href="https://agentmods.dev/skills/moizibnyousaf/marketing-cli/mktg-x"><img src="https://agentmods.dev/badge/skills/moizibnyousaf/marketing-cli/mktg-x/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/moizibnyousaf/marketing-cli/mktg-x"><img src="https://agentmods.dev/badge/skills/moizibnyousaf/marketing-cli/mktg-x.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 2 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 231 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- high YARA Match · line 231 YARA rule matched a known malware signature (reverse shell, backdoor, ransomware, C2 framework, or info stealer).Fix: Remove the malware payload or compromised file entirely. Investigate how it entered the skill and audit all other artifacts for additional indicators of compromise.
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00136 | $0.04736 |
| Opus 5 | $0.00068 | $0.02368 |
| Sonnet 5 | $0.00027 | $0.00947 |
| Haiku 4.5 | $0.00014 | $0.00474 |
Grade A, and why
mktg-x scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 236 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/mktg-x — authenticated Twitter/X reader
Read tweets, threads, bookmarks, articles, and user timelines from X (formerly Twitter) using an authenticated flow. Hits X's web GraphQL API with session cookies so /cmo, source-digestion workflows, and any other mktg skill can read auth-walled X content without a browser.
Firecrawl and WebFetch can't reach this content — Twitter serves a degraded logged-out page to unauthenticated clients. mktg-x is the only path.
On Activation
-
Verify auth credentials are set. mktg-x needs two env vars — a session token and a CSRF token. If neither is set, fail loud — do NOT fall back to firecrawl or WebFetch:
Priority Session token env var CSRF token env var 1 (preferred) MKTG_X_AUTH_TOKENMKTG_X_CT02 (explicit legacy compat) TWITTER_AUTH_TOKENorAUTH_TOKENwithMKTG_X_ENABLE_LEGACY_ENV=1TWITTER_CT0orCT0withMKTG_X_ENABLE_LEGACY_ENV=1The script resolves credentials in priority order. If no session token or CSRF token is found via any name, it emits the frozen error shape and exits with code 2. See references/auth.md for how to obtain both values from your browser and export them.
Headless agent warning: do NOT rely on browser-cookie extraction in headless environments. On macOS, Chrome's cookie database is Keychain-encrypted — the extraction flow triggers a GUI password prompt that a headless agent cannot answer and will hang indefinitely. Always use env vars for agent workflows.
-
Detect the URL shape. mktg-x handles five distinct shapes. Each dispatches to a different endpoint via scripts/fetch-x.ts:
URL pattern Shape Script invocation x.com/<user>/status/<id>(no reply siblings)single tweet bun run ./scripts/fetch-x.ts tweet "<url>"x.com/<user>/status/<id>(has reply chain by same author)thread bun run ./scripts/fetch-x.ts thread "<url>"x.com/i/bookmarksorx.com/<user>/bookmarksbookmarks bun run ./scripts/fetch-x.ts bookmarks "<url>"x.com/<user>/article/<id>(long-form article)article bun run ./scripts/fetch-x.ts article "<url>"x.com/<user>(no status/bookmarks/article suffix)timeline bun run ./scripts/fetch-x.ts timeline "<user>"
What ships with it
60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- .skill-meta.json 381 B
- references/auth.md 5.9 KB
- references/endpoints.md 5.1 KB
- references/security.md 4.1 KB
- scripts/fetch-x.ts 5.5 KB runs code
- scripts/lib/cookies/index.d.ts 235 B runs code
- scripts/lib/cookies/index.d.ts.map 263 B
- scripts/lib/cookies/index.js 91 B runs code
- scripts/lib/cookies/index.js.map 151 B
- scripts/lib/cookies/providers/chrome.d.ts 328 B runs code
- scripts/lib/cookies/providers/chrome.d.ts.map 433 B
- scripts/lib/cookies/providers/chrome.js 1.2 KB runs code
- scripts/lib/cookies/providers/chrome.js.map 1.2 KB
- scripts/lib/cookies/providers/chromeSqlite/crypto.d.ts 544 B runs code
- scripts/lib/cookies/providers/chromeSqlite/crypto.d.ts.map 545 B
- scripts/lib/cookies/providers/chromeSqlite/crypto.js 3.8 KB runs code
- scripts/lib/cookies/providers/chromeSqlite/crypto.js.map 3.6 KB
- scripts/lib/cookies/providers/chromeSqlite/linuxKeyring.d.ts 865 B runs code
- scripts/lib/cookies/providers/chromeSqlite/linuxKeyring.d.ts.map 577 B
- scripts/lib/cookies/providers/chromeSqlite/linuxKeyring.js 4.5 KB runs code
- scripts/lib/cookies/providers/chromeSqlite/linuxKeyring.js.map 3.8 KB
- scripts/lib/cookies/providers/chromeSqlite/shared.d.ts 435 B runs code
- scripts/lib/cookies/providers/chromeSqlite/shared.d.ts.map 549 B
- scripts/lib/cookies/providers/chromeSqlite/shared.js 12 KB runs code
- scripts/lib/cookies/providers/chromeSqlite/shared.js.map 11 KB
- scripts/lib/cookies/providers/chromeSqlite/windowsDpapi.d.ts 222 B runs code
- scripts/lib/cookies/providers/chromeSqlite/windowsDpapi.d.ts.map 377 B
- scripts/lib/cookies/providers/chromeSqlite/windowsDpapi.js 1.4 KB runs code
- scripts/lib/cookies/providers/chromeSqlite/windowsDpapi.js.map 1.1 KB
- scripts/lib/cookies/providers/chromeSqliteLinux.d.ts 326 B runs code
- scripts/lib/cookies/providers/chromeSqliteLinux.d.ts.map 425 B
- scripts/lib/cookies/providers/chromeSqliteLinux.js 2.4 KB runs code
- scripts/lib/cookies/providers/chromeSqliteLinux.js.map 2.0 KB
- scripts/lib/cookies/providers/chromeSqliteMac.d.ts 322 B runs code
- scripts/lib/cookies/providers/chromeSqliteMac.d.ts.map 421 B
- scripts/lib/cookies/providers/chromeSqliteMac.js 2.6 KB runs code
- scripts/lib/cookies/providers/chromeSqliteMac.js.map 2.2 KB
- scripts/lib/cookies/providers/chromeSqliteWindows.d.ts 330 B runs code
- scripts/lib/cookies/providers/chromeSqliteWindows.d.ts.map 429 B
- scripts/lib/cookies/providers/chromeSqliteWindows.js 1.8 KB runs code
- scripts/lib/cookies/providers/chromeSqliteWindows.js.map 1.5 KB
- scripts/lib/cookies/providers/chromium/linuxPaths.d.ts 173 B runs code
- scripts/lib/cookies/providers/chromium/linuxPaths.d.ts.map 262 B
- scripts/lib/cookies/providers/chromium/linuxPaths.js 1.4 KB runs code
- scripts/lib/cookies/providers/chromium/linuxPaths.js.map 1.5 KB
- scripts/lib/cookies/providers/chromium/macosKeychain.d.ts 514 B runs code
- scripts/lib/cookies/providers/chromium/macosKeychain.d.ts.map 693 B
- scripts/lib/cookies/providers/chromium/macosKeychain.js 1.1 KB runs code
- scripts/lib/cookies/providers/chromium/macosKeychain.js.map 1.1 KB
- scripts/lib/cookies/providers/chromium/paths.d.ts 413 B runs code
- scripts/lib/cookies/providers/chromium/paths.d.ts.map 487 B
- scripts/lib/cookies/providers/chromium/paths.js 1.4 KB runs code
- scripts/lib/cookies/providers/chromium/paths.js.map 1.8 KB
- scripts/lib/cookies/providers/chromium/windowsMasterKey.d.ts 222 B runs code
- scripts/lib/cookies/providers/chromium/windowsMasterKey.d.ts.map 353 B
- scripts/lib/cookies/providers/chromium/windowsMasterKey.js 1.7 KB runs code
- scripts/lib/cookies/providers/chromium/windowsMasterKey.js.map 1.8 KB
- scripts/lib/cookies/providers/chromium/windowsPaths.d.ts 231 B runs code
- scripts/lib/cookies/providers/chromium/windowsPaths.d.ts.map 328 B
- scripts/lib/cookies/providers/chromium/windowsPaths.js 2.1 KB runs code
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 10d ago First seen · 236 lines · 136 tokens per session scan A a341458a88e7
mktg-x is a skill published in the GitHub repository MoizIbnYousaf/marketing-cli (31 stars, last pushed 23d ago), licensed MIT. It adds 136 tokens to every session and 4,736 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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