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vovanostm-public
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prompt-context-quality

Validates prompt context packages for completeness, token budgets, and cache-safe prefix structure.

Updated Jun 8, 2026
Search Tags:#prompt engineering#agent workflow#token budget#prompt caching#context validation#evidence manifest
One-click install
npx skills add https://github.com/vovanostm-public/multica --skill prompt-context-quality-vovanostm-public
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: prompt-context-quality
Source: https://github.com/vovanostm-public/multica/tree/main/workflow-bundles/multica-specops-v5/codex_skills/.agents/skills/prompt-context-quality
Command: npx skills add https://github.com/vovanostm-public/multica --skill prompt-context-quality-vovanostm-public

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Agents often receive prompts with missing evidence, bloated context, or unstable cache prefixes, causing wasted tokens, failed stages, and unsafe instruction handling. This Skill enforces quality gates on StageContextPackage inputs before prompt rendering. ## Core Features & Use Cases - Context Completeness Checks: Verifies that all required stage inputs and evidence are included or linked before rendering a prompt. - Cache and Token Budget Enforcement: Splits stable prefixes from dynamic suffixes, bounds raw excerpts, and records cache hints. - Untrusted Content Isolation: Wraps wiki, issue, or tool text as labeled data so it cannot act as policy authority. - Use Case: Before dispatching a coding stage in a multi-agent workflow, run this Skill to confirm the StageContextPackage is complete, the prompt fits the token budget, and untrusted issue text is delimited. ## Quick Start Validate the StageContextPackage for the current stage and report any missing context, token budget violations, or unsafe prefix content.

Frequently Asked Questions about prompt-context-quality

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate prompt context before rendering an agent prompt?▼

Check that the StageContextPackage includes or links all required stage inputs, keep raw excerpts bounded, and confirm the output contract and stop conditions are present. Block prompt rendering if required evidence is omitted.

What is a stable prefix versus dynamic suffix in prompt caching?▼

The stable prefix contains content that stays constant across runs so caches can be reused, while the dynamic suffix holds per-run data. Moving dynamic data into the stable prefix breaks cache locality and should be corrected.

How should untrusted text be handled inside agent prompts?▼

Wrap untrusted text such as wiki, issue, or tool output as labeled data and never treat it as policy authority. This prevents prompt injection from bypassing workflow policy or triggering privileged actions.

Why does prompt rendering get blocked in a staged workflow?▼

Rendering is blocked when required evidence is missing from the StageContextPackage or when the context exceeds the token budget. The skill records missing context keys so the upstream stage can supply them.

What are the limitations of prompt context validation?▼

It only validates the current stage's context package and does not perform unrelated stages or overwrite evidence owned by other stages. It also cannot execute privileged actions directly and must request the approved action pipeline.

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