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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 70987522b2 Remediate Fable round-2: BLOCK-1 credential mechanism + residual fixes 
- BLOCK-1: invert the token-layer trifecta layering — per-app-client AllowedOAuthScopes
  is the PRIMARY vendor-supported boundary (Cognito won't issue out-of-tier scopes
  regardless of group union); pre-token suppression is a fail-closed backstop; the
  aud/authorizer mechanism is flagged unverified-load-bearing and added to the §6 verify
  gate (#8); fix the design.md §2.3 misattribution + add the amendment to §4.
- FIX-1: §1f notion-sync dual-feeds via S3 (was 'repointed instead of').
- FIX-2: split Phase 0a exit gate into fatal vs decision-input (Testing-Center identity).
- FIX-3: remove stale 'boundary stays in infrastructure' phrasing (server is the boundary).
- FIX-4: bound parallel-run double-spend (G9 + Phases 1-3 time-box).
- FIX-5: specify minimal throwaway 0a kit + Slack-plan dependency.
- FIX-6: remove dangling (O3); D3 recorded as accepted.
- NITs: severity arithmetic, Ops welcome no longer oversells tasks, wrong-audience alarm
  named, flip-point clarified. Q1 fallback scope + Q2 freshness-bound documented.
2026-06-11 13:09:13 -04:00
docs Remediate Fable round-2: BLOCK-1 credential mechanism + residual fixes 2026-06-11 13:09:13 -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.