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ArcGrid Platform
Internal Hub

Internal-access assets for the ArcGrid platform. Reference docs, engineering guides, the design system, and the brain platform. Not for distribution.

Reference SDKs Tools Brain Packs
SDKs
11
Brain SDK
@arcgrid/brain-client TypeScript SDK. chat(), stream(), memory.*, consent.*. Routes through ArcRouter with automatic model selection.
SDKTypeScript
Sep 2026View →
Vault SDK
Cryptographic custody layer SDK. Canary tokens, ledger entries, fleet pause, and data home. Encrypt, rotate, and verify secrets programmatically.
SDKCrypto
Oct 2026View →
ArcFlow SDK
Workflow engine node authoring SDK. Define custom trigger types, build nodes, register handlers, and compose Flows, Cycles, and One-Shots.
SDKWorkflows
Oct 2026View →
ArcRouter SDK
Model alias config, routing rules, provider registration, and scoring. Add new model providers, tune failover, and inspect routing decisions.
SDKRouting
Oct 2026View →
mcp-local-models
MCP server for local model routing. ask_coder, ask_analyst, ask_designer, ask_chat. Config, tool definitions, and how to add a new model endpoint.
MCPLocal Models
Oct 2026View →
Flugin SDK
Standalone Figma plugin SDK for Flugin (SCM layer). Plugin manifest, API surface, design-token sync, and publishing to the Figma Community.
SDKFigma
Oct 2026View →
Flagin SDK
Findings and flagging SDK. Create findings, attach evidence, assign severity, and build resolution workflows. Findings in Surface is the first live module.
SDKFindings
Oct 2026View →
Client Portals SDK
Licensable portal layer SDK. Shell, feedback, upload, archive, quicklinks, account, and ticket modules. Scaffold, configure, and deploy a white-labeled client portal.
SDKPortals
Oct 2026View →
Surface Bridge SDK
VS Code extension SDK (.vsix) that bridges the terminal agent into Surface. ArcAware M0 API, event protocol, and session relay specification.
SDKVS Code
Oct 2026View →
Castin SDK
Async video messaging SDK (Loom replacement). Record, upload, playback, and embed async video clips. Standalone app and Surface module API surface.
SDKVideo
Oct 2026View →
ArcWitness SDK
Session observation and consent management SDK. WITNESS.0/1/2 live. Record sessions, manage consent gates, and write observations to the knowledge graph.
SDKConsent
Oct 2026View →