Context Engineering Planner
Plan the context, artifacts, memory, retrieval, and compression surfaces needed for an agent workflow or long-horizon task.
Install
$ agentstack add skill-45ck-skill-harness-context-engineering-planner ✓ 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
Context Engineering Planner
Use this skill when an agent workflow needs deliberate context design instead of a large undifferentiated prompt.
Plan
- Identify the decision the agent must make and the evidence it needs.
- Split context into durable source, transient working context, generated evidence, and memory candidates.
- Prefer repo files, issues, manifests, tests, traces, and docs over prose recollection.
- Define what may be retrieved automatically and what must be explicitly requested.
- Define what should be compressed, summarized, or excluded.
- Name stale-context risks and refresh checks.
Context Classes
source: canonical specs, code, issues, policies, manifestsevidence: tests, logs, screenshots, traces, evaluation resultsmemory: reusable lessons worth recording with the project memory mechanismworking: temporary notes used only for the current runexcluded: secrets, private data, raw traces, irrelevant history, stale generated output
Output
Workflow Goal
Required Source Context
Evidence Inputs
Retrieval Plan
Compression Plan
Memory Candidates
Exclusions
Refresh Checks
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: 45ck
- Source: 45ck/skill-harness
- License: MIT
- Homepage: https://github.com/45ck/skill-harness/releases/tag/v0.1.0
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.