Arcode · MCP Developer · France

MCP Developer in France

Arcode works as a focused MCP developer for teams in France. If you are searching for an MCP developer in France, you probably want a studio that designs, builds, and launches rather than one that only presents slides.

  • Custom MCP server development
  • Tool-calling integrations
  • Secure agent access patterns

Model Context Protocol specialists

Specialist work falls apart when it never leaves the demo stage. Anything in production still needs auth, data handling, monitoring, and an interface people can use.

We prototype the risky integration first, then sort out auth, data contracts, evaluation, and monitoring before spending time on polish.

If that sounds like your situation, Arcode is set up for teams adopting agentic AI tooling. Custom MCP servers that connect AI agents to your tools, data, and workflows.

What you get

  • Custom MCP server development
  • Tool-calling integrations
  • Secure agent access patterns
  • Cursor and Claude-ready tooling
  • One studio accountable for the result
  • Design and engineering on the same schedule
  • Support available after launch

How engagement works

As your MCP developer, we run a shared backlog, design reviews, and engineering sprints, and you keep one point of contact throughout.

  1. 01

    Discover

    Goals, constraints, data sources, and success metrics, all settled before we touch architecture or prompts. You see progress on the critical path every week.

  2. 02

    Design

    System design, AI/tool boundaries, interface direction, and interaction prototypes. Nothing here waits on a handover between separate teams.

  3. 03

    Build

    Modern stack, clean architecture, evaluated AI behavior, and iterative demos you can react to. On MCP development projects we favour practical architecture over trendy defaults.

  4. 04

    Launch

    Ship, monitor, harden, and keep improving models, tools, and product after go-live. The work for teams in France stays tied to the outcome you asked for.

How we build it, and why

The stack is chosen per project, not applied from a template. For MCP developer work these are the defaults, and the reason each one is on the list.

MCP
the Model Context Protocol, so your tools plug into Claude, Cursor, and other agent clients without a custom adapter for each
TypeScript
types across the whole stack, which catches the class of bug that only shows up in production
Node.js
one language across the stack, so context does not get lost at the boundary
Claude
long-context reasoning and reliable tool calling for agent work
OpenAI
a second model provider, so a single vendor's outage or price change is not your problem

What the first weeks look like

  1. Week 1

    Spike the risky part

    We build the thinnest possible version of custom mcp server development against your real data. If it is going to be a problem, it is better to know in week one than week six.

  2. Weeks 2-3

    Harden the integration

    Auth, rate limits, error paths, and the data contract. This is the work that separates a demo from something you can leave running.

  3. Weeks 4-6

    Wire it into the product

    The MCP development stops being a standalone service and becomes a feature people use, with the interface and permissions that implies.

  4. Ongoing

    Evaluate and tune

    Behaviour gets measured against cases you care about, and we tune from that rather than from impressions.

Weighing up your options

There are three realistic ways to get this built. Each is the right answer for someone.

A solo freelancer

Cheapest per hour and fine for a contained task. The risk on MCP development is breadth — one person covering design, backend, infrastructure, and launch usually means one of them is weak, and there is no cover when they are unavailable.

A local agency in France

Same timezone and a face to meet, which genuinely matters for some teams. You are also paying French brands seeking polished product UX with strong engineering. rates for the whole team including the layers that never touch your MCP development, and a local shortlist is a small shortlist.

Arcode

A small senior team. The people who scope the MCP development write the code, you get weekly demos instead of status decks, and the engagement ends when the thing is live and handed over.

Work we have shipped

Note Assist

AI product · Next.js · Speech

AI meeting assistant with live speech-to-text, ChatGPT chat, and Firebase auth for transcription workflows.

Freelance AI product built with Next.js, Firebase, AssemblyAI, and ChatGPT for live meeting transcription and realtime chat around the transcript.

  • · Live speech-to-text transcription
  • · Realtime chat over meeting notes
  • · Firebase authentication
  • · AI-assisted follow-up on transcripts

Next.js · Firebase · AssemblyAI · ChatGPT · TypeScript

Circlin Waitlist

Lead frontend · Next.js 15

Multilingual waitlist and referral product for a secondhand fashion brand, covering localization, analytics, and growth loops.

Waitlist experience with EN/DE localization, referral tiers, MDX blog, and analytics for Circlin.

  • · EN/DE internationalization
  • · Referral reward tiers
  • · MDX blog and SEO content
  • · Analytics and cookie consent

Next.js 15 · TypeScript · Tailwind · MDX · React 19

VIP Hires

Full-stack · Payments · UX

Recruitment platform with Stripe payments, workflow management, and polished motion-driven UI.

Hiring product covering job posting payments, candidate workflows, forms, and analytics.

  • · Stripe payment flows
  • · Recruitment workflow stages
  • · Validated multi-step forms
  • · Analytics charts and notifications

Next.js · Redux Toolkit · Stripe · Framer Motion · Zod

Working with teams in France

French brands seeking polished product UX with strong engineering. Work is remote-first (CET/CEST), with written updates you can read in your own time. We usually collaborate in French/English.

How we work with France teams

France is three to four hours behind us, so the afternoon is shared in full. Work is delivered in English; French-language briefs are fine to send, and documentation and updates come back in English unless you need otherwise.

What France clients usually need

French briefs often pair a strong brand with an ageing site — a marketing-led rebuild where the design matters as much as the stack underneath it. Marketplace and subscription products are the other recurring theme.

Contracts, data, and compliance

GDPR and CNIL guidance drive the data decisions, so consent handling and analytics get scoped properly instead of being dropped in as a cookie banner at the end. We invoice in EUR with reverse-charge VAT for registered businesses.

Related work

A few projects that line up with MCP development.

  • Note Assist

    AI

    Note Assist

    AI meeting assistant with live speech-to-text, ChatGPT chat, and Firebase auth for transcription workflows.

Next step

If this is your next hire or build, book a free consult with Arcode. Bring the brief and we will map out scope, risks, and a first milestone.