xia

name	xia
description	Research-first feature discovery for unfamiliar, ambiguous, or high-risk implementation work. Use when Codex should map the real repo stack, find reusable local code, check upstream patterns, and verify current official docs before planning or implementing a feature.
metadata	{"dependencies":{"exa":{"kind":"mcp_server","server_names":["exa"],"config_sources":["global_codex_config","plugin_mcp_manifest"],"missing_effect":"degraded","reason":"Xia uses Exa to research current official documentation and recent implementation guidance."},"deepwiki":{"kind":"mcp_server","server_names":["deepwiki"],"config_sources":["global_codex_config","plugin_mcp_manifest"],"missing_effect":"degraded","reason":"Xia uses DeepWiki as a best-effort upstream pattern and repository-structure research path."}}}

Xia

Xia is the anti-reinvention scout. Use it before unfamiliar, ambiguous, version-sensitive, or high-risk implementation work when a research brief should come before planning or code.

Hard Gate

Do not write code or edit files until the research brief is complete, unless the user explicitly waives research or directly asks for immediate implementation.

If two viable paths differ materially in behavior, risk, or migration cost, finish the brief and ask one targeted question instead of guessing.

Depth

• Quick: low-risk questions with an obvious local seam.
• Standard: default; map repo, search local reuse, check upstream patterns, check current official docs.
• Deep: cross-cutting, version-sensitive, or architecture-heavy work.

If unsure, use Standard.

Required Flow

1. Confirm whether research was waived.
2. Read repo contracts and map the stack from real artifacts.
3. Search locally for existing functionality and extension points.
4. Check upstream patterns only after local evidence is clear.
5. Check current official docs with version awareness.
6. Return a concise research brief using references/research-brief-template.md.

Load references/xia-protocol.md for stack-ledger guidance, local reuse targets, DeepWiki/Exa roles, recommendation rules, follow-up question criteria, and red flags.

Evidence Labels

Every non-trivial claim in the brief must be labeled:

• Local for findings from this repository
• Upstream for public GitHub repository patterns
• Docs for official documentation
• Inference for conclusions drawn from evidence

Do not blur these categories.

Recommendation Rule

Choose the lightest credible path:

1. Reuse existing local functionality.
2. Use built-in framework or library capabilities that fit the repo version.
3. Adapt an upstream pattern that fits the repo.
4. Build from scratch only when the other options are insufficient.

Explain why the chosen path beats the next-best alternative.

Reference Files

File	When to Load
references/xia-protocol.md	Detailed research flow, tool roles, guardrails
references/research-brief-template.md	Required brief structure
references/pressure-scenarios.md	RED/GREEN validation scenarios