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Use casesMCPs for Dev Agencies

TL;DR

Agencies live or die by context-switching efficiency. MCPs give every engineer the same tooling across every client repo: GitHub for code, Linear for tickets, Notion for specs, Slack for client comms, Figma for design handoff. One Claude Code setup, fifteen clients, zero context-switch overhead.

🐙📐📝💬▲+1
Use case

The MCP stack for agencies juggling multiple client projects

A dev agency (3–30 people) running 5–15 concurrent client projects. Needs clean separation of client work, fast onboarding, and consistent quality across juniors and seniors.

What hurts today

  • 1Each client has a different Slack, Notion, GitHub org — logging in/out burns 30 min/day
  • 2Junior devs take 2–4 weeks to onboard on a new client because every codebase is different
  • 3Weekly client status updates eat 30 min per account — 5 accounts = 2.5h of pure admin
  • 4Design-to-dev handoff from Figma to GitHub is manual, lossy, and error-prone
  • 5Timesheets and project status are always out of date — finance can't invoice on time

Recommended MCPs (6)

🐙

GitHub

View MCP

Switch between client orgs with a single MCP config. Claude reads issues, opens PRs, and reviews diffs across every repo your agency touches.

📐

Linear

View MCP

Triaging client tickets and generating weekly status reports. Claude reads Linear, summarises progress, drafts the client update, and posts it.

📝

Notion

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Per-client knowledge bases. Claude reads the spec, the architecture doc, and the past decisions — so juniors get senior-level context on day one.

💬

Slack

View MCP

Post client updates, answer simple client questions, and coordinate with the internal team. Multi-workspace support means one Claude Code handles all client Slacks.

▲

Vercel

View MCP

Preview deploys per PR — clients review live URLs, not Figma mockups. Vercel MCP lets Claude inspect build logs and debug failures.

🐛

Sentry

View MCP

One MCP, one Sentry for all your client projects. Claude flags new errors per client, triages, and opens Linear tickets in the correct team.

A real workflow

Friday 4pm: weekly client updates. Claude reads Linear for each client, summarises closed tickets, pulls GitHub merge stats, checks Sentry for error trends, cross-references Notion for any new specs, and drafts a 5-paragraph status update per client. You review, tweak one paragraph per account, and post them. What used to be 2.5 hours is now 20 minutes — and the quality is higher because Claude catches metrics you'd have skipped.

Time ROI

Agencies save 5–8h per engineer per week, with outsized wins on project management and client communication. Also cuts onboarding time for new devs from 3 weeks to 1.

Recommended recipes for this role

🐙📐

Issue → Branch → PR Pipeline

A Linear issue assigned to a developer automatically creates a git branch, syncs status changes, and opens a draft PR.

🐙▲

Preview Deploy on Every PR

Open a PR and a Vercel preview URL appears as a comment within minutes. Branches are cleaned up automatically when PRs close.

🐛💬

Error Alerting Pipeline

Sentry new issues are de-duplicated, enriched with commit info, and routed to the right Slack channel based on project.

💳📝

Invoice Auto-Documentation

Every Stripe invoice is automatically documented in a Notion database with amount, customer, and payment status.

🔮📝

Research Automation

Paste a research topic in Notion and an agent uses Perplexity to gather sources, summarize findings, and structure them.

Frequently asked questions

How do I keep client data isolated across MCPs?

Use separate Claude Code configs per client project. Each config points at that client's GitHub org, Linear team, Notion workspace. The MCP clients run per-project, so there's no cross-contamination.

Can we use one billing MCP subscription for all clients?

There's no MCPizy subscription at all — all MCP servers are open source. You only pay for the underlying services (GitHub Pro, Linear seats, etc.), which you already do.

How does this help with new dev onboarding?

Huge. A new engineer joins the agency, checks out a client repo, and Claude Code can answer 'what does this service do?' by reading the Notion spec, checking Linear for recent tickets, and summarising the last 20 PRs. Onboarding drops from weeks to days.

Does Claude respect client NDAs?

Claude Code runs against your own Anthropic API key — data stays under your Anthropic Business/Enterprise contract (no training on your inputs). Review each client's NDA, but the architecture is stricter than most SaaS tools.

Can I get per-client usage/cost reporting?

Yes — tag Anthropic API calls by project via the `x-metadata` header. Most agencies also monitor MCP usage via Grafana MCP + logs from Claude Code.

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🐙GitHub📐Linear📝Notion💬Slack
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