Perf Profiler
Use when profiling CPU/memory hot paths, generating flame graphs, or capturing JFR/perf evidence.
Install
$ agentstack add skill-agent-sh-agentsys-perf-profiler ✓ 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.
About
perf-profiler
Run profiling tools and capture hotspots with evidence.
Follow docs/perf-requirements.md as the canonical contract.
Parse Arguments
const args = '$ARGUMENTS'.split(' ').filter(Boolean);
const tool = args[0] || '';
const command = args.slice(1).join(' ');Required Rules
- Verify debug symbols before profiling.
- Capture file:line for hotspots.
- Provide flame graph or equivalent output when possible.
Output Format
tool:
command:
hotspots:
- file:line - reason
artifacts:
- Constraints
- No profiling without a clear scenario.
- Keep outputs minimal and evidence-backed.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: agent-sh
- Source: agent-sh/agentsys
- License: MIT
- Homepage: https://agent-sh.github.io/agentsys/
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.