· Invest AI · InvestSim · Robinhood MCP
Three Repos, One Paper-to-Draft Loop
Invest AI ranks and caches. InvestSim papers many sleeves. Robinhood MCP drafts orders under gates.
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· Robinhood MCP
Evidence Before Draft: Robinhood MCP Now Reads InvestSim
ADR-008 gave the gateway an HTTP control plane. signalwatcher still drafted from Invest AI Top-1 alone while InvestSim evidence stayed "documented for later."
· InvestSim
Five More Paper Sleeves: InvestSim Tier-2.5 Without a New Signal Feed
After Tier-2 (ADR 0030), the next sleeves had to reuse Invest AI's ranking surface — not invent a parallel signal bus.
· XingAI Invest AI
Today Intelligence and the Report Surfaces That Stay Inside Invest AI
A draft "Daily Stock Market Intelligence" stack looked like a new FastAPI + Alembic + Next app. Invest AI already had Resend digests, report triggers, macro radar, and a reports…
· XingAI Invest AI
From Signal Events to Strategy Lab: Worker-Owned Paper Inside Invest AI
ADR-035 position-signal events
· XingAI Notification Platform
XNP Phase 2: A Modular Monolith That Boots With Nothing In It
Phase 1 shipped the architecture package: system design, ADRs 0001–0018, C4, contracts. The next temptation is SMS + templates + campaigns before the host can say no to a bad JWT.
· XingAI Invest AI
每日投资智报: Extend Invest AI, Do Not Spin Another Report Product
A dense Chinese A4 PDF framed around a $200K FI portfolio looks like a new product. New domain. New worker. New Resend project. Maybe a cute investment-report.xingai.app.
· XingAI Evidence Engine
Three Honesty Fixes After Citation Verification Shipped
Once Evidence Engine could score markdown citations, three product lies showed up fast:
· XingAI Robinhood MCP + Invest AI
After Fail-Closed: Robinhood MCP Gates, Freshness, Step-Up, and Why It Still Does Not Autotrade
On July 11, the Robinhood MCP gateway story was simple: the gateway blocked every write order on purpose. G1, G6, and G7 were real code. G2 through G5 were named, explicit fail-…
· XingAI Opportunity Radar
Empty Tables, Full Issues: Fixing the Opportunity Radar Newsletter Body
We finally wired Resend secrets into the Opportunity Radar GitHub Actions job and forced a send. The mail arrived. It also looked like a shell: date line, empty tables, a canned…
· XingAI Robinhood MCP
A Trading Gateway That Blocks Every Order (On Purpose)
[Invest AI ADR-028](https://github.com/xingaiapp/xingai-invest-ai/blob/main/docs/adr/028-robinhood-mcp-execution-gates.md) defined seven gates (G1–G7) a trade order must clear b…
· XingAI Agent Firewall
Turn-Scoped Taint: Making Untrusted Origin a Real Signal
The July 5 [Agent Firewall post](2026-07-05-agent-firewall-helpfulness-attack-surface.md) described a 0din-class block with risk 60. That number was honest — and incomplete.
· XingAI Agent Firewall
Deny + Add Rule Without Editing YAML Live
ADR-003 promised four approval buttons: Approve once / Approve for session / Deny / Deny + add rule. The first three shipped. The fourth sat in the UI copy with no backend.
· XingAI Invest AI
Two Regimes, One Dashboard: Technical vs Macro (ADR-027)
After [ADR-026](https://github.com/xingaiapp/xingai-invest-ai/blob/main/docs/adr/026-decision-engine-integration.md), Invest AI can show two different regime signals on the same…
· Invest AI + Decision Engine
Two Repos, One Score Contract: Decision Engine ADR-011 and Invest AI ADR-026
Invest AI ships a production dashboard with macro consensus. Decision Engine owns multi-timeframe technical scoring and backtests. Two repos on purpose — [ADR-002 on the Decisio…
· T Today / invest-t-advisor
Rules First, AI Second: T Today’s Two-Layer Decision Engine
T Today (t.xingai.app) answers a narrow question:
· T Today / invest-t-advisor (`t.xingai.app`)
Opening T Today to Guests — Three Free AI Runs, No Login Wall
[T Today](https://t.xingai.app) is the screenshot-first coach: upload brokerage holdings, get a 做T plan with buy zones and rule checks. It’s paper-only — no orders.
· T Today / invest-t-advisor
When Bilingual JSON Looks Fine in the Network Tab but Empty in the UI
T Today’s holdings coach uses OpenAI with responseformat: { type: "jsonobject" }. The model returns a big JSON blob with zh and en blocks. Users switched language — still empty …
· InvestSim / invest-performance-sim (private)
InvestSim Becomes a Live Paper Engine
InvestSim started as a dashboard that could show a daily AI pick. Today it became a small, deterministic paper-trading engine.