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 peturgeorgievv-factory/postfast-mcp --skill performance-reportgit clone --depth 1 https://github.com/peturgeorgievv-factory/postfast-mcpWrote 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/peturgeorgievv-factory/postfast-mcp/performance-report)<a href="https://agentmods.dev/skills/peturgeorgievv-factory/postfast-mcp/performance-report"><img src="https://agentmods.dev/badge/skills/peturgeorgievv-factory/postfast-mcp/performance-report/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/peturgeorgievv-factory/postfast-mcp/performance-report"><img src="https://agentmods.dev/badge/skills/peturgeorgievv-factory/postfast-mcp/performance-report.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00081 | $0.00846 |
| Opus 5.5 | $0.00032 | $0.00338 |
| Sonnet 5.5 | $0.00016 | $0.00169 |
| Haiku 4.5 | $0.00008 | $0.00085 |
Grade A, and why
performance-report 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 1mo 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 — 40 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Report social media performance with PostFast
This skill only reads. It never creates, approves or deletes anything.
Steps
1. Set the scope
- Workspace: if
list_workspacesshows more than one, ask which, and pass itsidasworkspaceIdon every call. - Period: use the period the user names. "Last week" means the previous Monday to Sunday in the user's time zone; with no period given, use the last 7 full days. State the dates you used. For a trend, also fetch the period of the same length just before it.
- Accounts:
list_accountsgives each account'splatform,platformUsernameand currentfollowerCount.
2. Fetch the numbers
- Posts:
get_post_analyticswithstartDateandendDate(ISO 8601), andplatformsorsocialMediaIdsto narrow it. It returns published posts with theirlatestMetric(impressions, reach, likes, comments, shares, total interactions) and network-specificextras; videos add views and watch time, and Instagram addssaveRate, andreelsSkipRateon Reels. There is no paging, so ask for a month at most at a time. - Followers:
get_follower_historyfor each account, withfromandto. It returnscurrentFollowerCount, the change over the period (delta) and daily points. Tracking starts when PostFast first recorded the account (trackingStartedAt), so there is nothing before that date. - What went out: optionally,
list_postswithstatusesPUBLISHED and FAILED and the samefromandto, to count the posts published and the ones that failed.
Numbers come back as strings: convert them before you add or compare them. A post whose latestMetric is null has no metrics yet; count it but leave it out of averages.
3. Know the coverage
- Post analytics cover Instagram, Facebook, TikTok, Threads, YouTube, LinkedIn company pages and Pinterest business accounts. X, Bluesky, Telegram, Google Business Profile and LinkedIn personal profiles have no post analytics here; say so instead of reporting zeros.
- Follower history covers Facebook Pages, Instagram, YouTube, Pinterest, Threads, Bluesky, Telegram, LinkedIn company pages and TikTok, not X or personal Facebook profiles.
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.
- 1mo ago First seen · 40 lines · 81 tokens per session scan A 7f30e6f32d43
performance-report is a skill published in the GitHub repository peturgeorgievv-factory/postfast-mcp (7 stars, last pushed 2d ago), licensed MIT. It adds 81 tokens to every session and 846 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-27.
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