Development Estimation
Use when estimating time, effort, or complexity for features or projects - provides structured estimation workflows with breakdowns, risks, and confidence intervals.
Install
$ agentstack add skill-nickcrew-claude-cortex-development-estimation ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-nickcrew-claude-cortex-development-estimation) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Development Estimation
Overview
Create consistent, defensible estimates by breaking scope into components, identifying risks, and providing confidence intervals.
When to Use
- Estimating feature or project scope
- Providing effort or complexity estimates
- Delivering risk-aware breakdowns
Avoid when:
- The task is trivial or a rough gut-check is sufficient
- Requirements are unknown and need discovery first
Quick Reference
| Task | Load reference | | --- | --- | | Estimation workflow | skills/development-estimation/references/estimate.md |
Workflow
- Define scope and estimation type (time/effort/complexity).
- Load the estimation reference for structure.
- Break into components and dependencies.
- Add risks and confidence intervals.
- Deliver estimate with assumptions.
Output
- Estimate with breakdown and confidence interval
- Assumptions, risks, and validation notes
Common Mistakes
- Estimating without clear scope
- Ignoring risk and dependency factors
- Overstating precision beyond available data
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: NickCrew
- Source: NickCrew/Claude-Cortex
- License: MIT
- Homepage: https://cortex.atlascrew.dev/
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.