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Sea Haven MCP platform — trust-tiered MCP servers + Cognito/Google auth broker, replacing seahaven-slack-bot and exec-aide (design phase)
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Adam Moussa 52c58a5a0a Fold in cross_reviewer (GPT-4.1) auth/trifecta findings 
Cross-family review caught defense-in-depth gaps:
- CR-1: validate aud at edge AND server-side (per-tier authorizer doesn't replace
  design.md §2.5 server enforcement); alarm on wrong-audience tokens.
- CR-6: finance-audience token must not reach Gmail/Calendar even with a Google token.
- CR-2: verify+enforce received sub is the Google Workspace sub, not a Salesforce id.
- CR-3: pre-token Lambda fails closed on cross-audience scope.
- CR-5: pre-token + group-sync are the auth SPOF — alarms + group-claim freshness bound.
- CR-4/CR-7: restrict per-client Cognito scopes; WAF is defense-in-depth only.
Reflected in §0.1 B3/B4, §1h tests, §4 monitoring, §5 cross-review log.
2026-06-11 12:53:33 -04:00
docs Fold in cross_reviewer (GPT-4.1) auth/trifecta findings 2026-06-11 12:53:33 -04:00
.gitignore Initial commit: sh-mcp design and plan 2026-06-09 19:25:24 -04:00
README.md Initial commit: sh-mcp design and plan 2026-06-09 19:25:24 -04:00

README.md

sh-mcp

Sea Haven MCP platform. A TypeScript monorepo of trust-tiered MCP servers that expose Sea Haven's proprietary integrations as tools, plus the Cognito/Google auth broker and the rebuilt scheduled jobs. This service replaces seahaven-slack-bot and exec-aide, which are deprecated completely; the conversational surface becomes a configurable Slack task agent.

Status: DESIGN / PLANNING. Not built. No stack deployed. The full design, auth architecture, scope matrix, and build plan live in docs/design.md. Read it before writing any code.

Shape (planned)

  • MCP servers (trust-tiered, remote HTTP, per-server IAM):
    • sh-mcp-ops — read-mostly, agent-facing (WO/PO/site lookups, KB search, Google Maps, Gmail/Calendar, tasks, reminders).
    • sh-mcp-finance — sensitive, read-only, audited (QBO vendor search, payment lookups).
    • sh-mcp-physical — DEFERRED, admin/out-of-band only (Lenel/Yealink/3CX control).
  • Auth — Google Workspace is the single IdP; an Amazon Cognito user pool federated to Google issues scoped, audience-bound JWTs; group → scope mapping via a pre-token Lambda. See design §2.
  • Jobs — rebuilt proactive Lambdas (email classify/digest, KB syncs).
  • Language — TypeScript everywhere (servers, packages, CDK, jobs).

Open decisions

  • Task-agent surface: Agentforce (recommended) vs marketplace Claude app vs custom Bolt assistant (design §12). Drives the model + guardrail story.
  • Endpoint exposure specifics (Slack egress ranges / WAF) — design §9 / §11.

Layout (target)

packages/   shared + one package per integration
servers/    sh-mcp-ops, sh-mcp-finance  (CDK stacks)
auth/       cognito, pre-token-lambda, group-sync-lambda
jobs/       rebuilt scheduled Lambdas
docs/       design.md  (the canonical plan)

See docs/design.md for the authoritative spec.