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 cnfeat/top-pm-skills --skill managing-timelinesgit clone --depth 1 https://github.com/cnfeat/top-pm-skillsWrote 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/cnfeat/top-pm-skills/managing-timelines)<a href="https://agentmods.dev/skills/cnfeat/top-pm-skills/managing-timelines"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/managing-timelines/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/cnfeat/top-pm-skills/managing-timelines"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/managing-timelines.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 | $0.00041 | $0.01206 |
| Opus 5 | $0.00020 | $0.00603 |
| Sonnet 5 | $0.00008 | $0.00241 |
| Haiku 4.5 | $0.00004 | $0.00121 |
Grade A, and why
managing-timelines 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 — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Managing Timelines
Help the user set and hit realistic project timelines using approaches from 13 product leaders.
How to Help
When the user asks for help with timelines:
- Understand the context - Ask about the nature of the deadline (external commitment, internal target, manufactured milestone), the stage of the work, and what's driving the timeline pressure
- Diagnose the problem - Determine if this is an estimation issue, a scoping issue, a distraction issue, or unrealistic stakeholder expectations
- Apply the right framework - Help them use phase-based commitments, hill charts, or early shipping strategies depending on their situation
- Build healthy habits - Guide them toward sustainable timeline practices rather than one-time fixes
Core Principles
Treat real deadlines as P0 - nothing else matters
Nan Yu: "The only way to make deadlines real is to take them so seriously that they are basically like a P0 problem, and everything else has to not matter in comparison." Don't have too many deadlines. Reserve them for critical external events and protect the team from all other distractions once set.
Commit to phases, not distant delivery dates
Annie Pearl: "We've moved to committing to dates that are within our control. We can commit to a discovery effort... versus making a commitment around a project six months out when we haven't done enough discovery." Break work into Discovery, Solutioning, Build, and Launch. Only provide engineering delivery dates once solutioning is complete.
Ship early, iterate with remaining time
Nan Yu: "We do almost no estimating. What we do is ship as early as we can. If by 10% of the time you have a working thing, you can spend the rest deciding whether to iterate or polish." Focus on getting to a "yes or no" shippable state quickly rather than front-loading estimation.
Use hill charts to track uncertainty
Jason Fried: "A project's more like a hill. The left side means you're still figuring it out. Once work gets to the top, it's downhill from there - pure execution." Visualize work as a hill where left side is discovery and right side is execution. Items stuck on the uphill side are high-risk for missing deadlines.
What ships with it
1 file 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.
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 · 78 lines · 41 tokens per session scan A 45019117a9f0
managing-timelines is a skill published in the GitHub repository cnfeat/top-pm-skills (48 stars, last pushed 2mo ago), licensed MIT. It adds 41 tokens to every session and 1,206 once invoked, about $0.0002 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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