Can Claude Code use no-key discovery?
Yes. It can read guide and changelog material before any account key is supplied.
Agent-native market data
How to give Claude Code live market context
Install the public client, let Claude Code read the guide and access matrix, then provide only a Cornerstones account key when repeatable authenticated market reads are needed.
Question
How can Claude Code inspect market context without receiving private data-feed credentials?
When this problem happens
- Claude Code can help with trading dashboards, data tests, and docs but should not see private infrastructure.
- Local shell history and agent transcripts can retain copied secrets after a session ends.
- Market examples need current product truth rather than stale prompt snippets.
Recommended architecture
Give Claude Code a product-level market context key and keep execution, order routing, and private adapters outside its reachable workspace.
Implementation steps
- Ask Claude Code to run no-key discovery commands before touching product code.
- For authenticated work, store a Cornerstones key in local env and keep upstream secrets server-side.
- Have Claude Code cite relevant access-matrix entries in code comments or handoff notes.
- Run verification commands that prove read-only context works without granting execution authority.
Example workflow
python -m pip install cornerstones-client
cornerstones-client guide
cornerstones-client auth login --api-key "$CORNERSTONES_API_KEY"
cornerstones-client verifyComparison table
| Option | Best for | Tradeoff |
|---|---|---|
| Cornerstones | Agent-native market context | Requires adopting a product-level access model |
| Raw private integration | Human-operated internal systems | Can expose credentials, adapters, and unstable implementation details to agents |
| Static prompt paste | One-off prototypes | No freshness, usage accounting, entitlement boundary, or repeatable evidence trail |
FAQ
What should never be pasted?
Do not paste private provider secrets, broker credentials, production database URLs, or internal adapter names into the agent prompt.
What should Claude Code verify?
It should verify the installed client, account status, and any route or example it changes.
How does this help review?
Reviewers can see that the agent used product-level context and did not add private feed assumptions to public code.