+33 (0)1 87 66 00 65 · Monday to Friday, 9am–6pm Free audit (15 min)
● Business offer — Communication & advertising

The AI agent for copywriting & content creation: produce faster, in your brand voice

Brief, first draft, adaptations per channel, reviews: producing content takes a considerable amount of time — without writers and creatives always working on what creates the value. Your AI agent absorbs the first layer of writing, in your editorial voice. Hosted in France — on local inference or an isolated resource — your content, your brands and your client data stay under control. The creative direction approves.

Hosted in France Content & brands protected GDPR & AI Act: governed deployment Human oversight

Updated on

Deployed in a few weeks
Copywriting assistant · hosted in France
From this client brief, write an 800-word SEO blog article on “solar energy for very small businesses”, then adapt it into 3 LinkedIn posts and a newsletter, in our editorial voice.
Article written (812 words) structured with H2/H3, the main keyword and related queries woven in naturally, meta title and meta description proposed.
Adaptations ready: 3 LinkedIn posts (hook + body + call to action), 1 newsletter (A/B subject line + intro + button). Tone taken from your editorial guidelines — for review.
⛓ Source · your editorial guidelines + the client brief + knowledge base
LinkedIn hook no. 2 is too corporate. Can you make it more direct?
Rewritten in 3 more direct variants, free of jargon, with a first line that opens a concrete tension for the owner of a very small business. I have kept the same angle and the same promise, and flagged the variant most aligned with your best-performing posts.
You choose; I send nothing.
✎ Action · variants ready to approve — the creative decides
Local inference · no data outside the EU
Content hosted in France
Sovereign by designLocal inference or hosting in France
GDPR & AI Act: governed deploymentTraceability & human oversight
TurnkeyDesigned, installed and operated for you
The creative direction decidesThe agent assists, never publishes alone
✦ In brief

For a communication team or an agency, a Blue Lemon Agent agent speeds up content production — articles, social media posts, web pages, newsletters, advertising scripts, adaptations per channel — while respecting your editorial guidelines and your brand voice. It runs on local inference or is hosted in France: your content, your client briefs and your advertiser data are never exposed to a foreign service, architecture designed to reduce exposure to extraterritorial legislation, location alone not being enough to guarantee immunity. The time saved on the first draft is reinvested in creativity and strategy. Live within a few weeks.

100%
hosted in France in the target architecture
0
transfer outside the EU in the target architecture
9
uses ready to deploy on this scope
0
decision taken without human approval

Reference points describing our offer, not results measured at a client. The scale of the gain is confirmed by a pilot on your own scope.

The context

Why AI matters to communication — and why it worries people

Demand for content is exploding: multi-channel, multi-format, multi-client. But quality writing takes time, and entrusting your briefs and your content to a consumer tool often means exposing the brand's most strategic material.

! The issue

Teams are caught between a demand for volume — ever more posts, articles and adaptations — and a demand for quality and brand consistency. Yet most consumer AI tools amount to entrusting confidential briefs, launch strategies, advertiser data and unpublished content to a third party, often hosted outside Europe and subject to the Cloud Act. To say nothing of the risk of generic content, disconnected from the brand voice.

Our answer

AI is only of interest in communication if it is sovereign, confidential and set to your editorial line. Local inference or an isolated resource hosted in France, an agent trained on your guidelines and your best content, systematic human oversight, decisions reserved to the creatives: the time saved on the first draft is never paid for in lost confidentiality or in uniformity. The aim is not to replace the writer, but to give them back time for the idea.

The decisive point

Confidentiality of content & advertiser data: sovereignty & ownership

A communication team handles a brand's most strategic material: launches, positioning, client data. Here is how the architecture of our agents protects it, project by project.

Local inference

The agent can run on a machine belonging to the team: no brief and no unpublished content leaves the network, nothing passes through a cloud.

Hosting in France

Otherwise, a dedicated and isolated resource, hosted in France under French law — your content and advertiser data: processing and access within the European Union targeted by the architecture.

Reduced extraterritorial exposure

Architecture designed to reduce exposure to extraterritorial legislation, location alone not being enough to guarantee immunity.

One isolated resource per client

No pooling: a strictly dedicated environment, essential when an agency handles competing brands.

Set to your brand voice

The agent is fed with your editorial guidelines and your best content: it writes in your tone, not in generic prose.

AI Act: governed deployment

An agent strictly in support; no content published automatically; traceability and human oversight from end to end.

What depends on the architecture chosen These points are not general guarantees: they are settled deployment by deployment, in the quotation.

  • The applicable location is that of the architecture set out in the quotation and verified before commissioning.
  • Local execution is announced only for the configuration explicitly described and accepted in the quotation.
  • The applicable isolation depends on the deployment mode set out in the quotation; no dedicated isolation is presumed.
  • The events logged, their content, their retention period and who may access them are defined for the deployment chosen.
Your content remains your property: the agent produces texts that your teams correct and publish. For the most sensitive data, SecNumCloud and HDS options are available depending on your requirements. Designed for deployment in line with the GDPR and the AI Act, after the processing, roles and context-specific risks have been assessed.
Demonstration

See the agent at work

5 real situations, taken from those that come up most often. Pick one: the exchange unfolds as it would in your organisation.

A scripted demonstration. These exchanges show how the agent behaves — its sources, its refusals, what it leaves to your teams. Nothing is sent from this page, no model is queried here, and the matters named are fictional. That is precisely what we promise your data.
The behaviours shown here — monitoring, automation rules, routing and reminders — are configured with you during deployment, from your tools, your rules and your thresholds.
The architecture points named in these exchanges — location, local execution, isolation, encryption, role-based access, logging — are not a guarantee attached to the demonstration: they are those of the architecture set out in your quotation, and verified before commissioning.

The company in this demonstration

Fictional company

Sextant Contenus — independent editorial studio

Sector
Editorial production and content creation — articles, web pages, newsletters, social media, ad scripts
Headcount
11 staff, including 4 copywriters, 2 in social media, 1 part-time search specialist, 2 in account management and 1 editorial director
Client base
9 advertisers on annual contracts — B2B software, energy, healthcare, vocational training
Volume
40 articles, 260 social posts, 12 newsletters and 6 web pages a month; 4 launches a year
Tools in place
The advertisers' CMS, a social scheduler, an e-mail platform, an office suite and a 9-year document store — the agent plugs into them, nothing is replaced
Who decides
The editorial director approves everything that goes live; project managers set the schedules; the advertiser signs off any figure about its own products
Room for improvement
A first draft of an article and its derivatives takes 60 % of the time of a production; deriving a post across networks, 37 % of the time of a post; answering a recurring advertiser request, 10 % of a project manager's time. 61 % of briefs arrive with no target query and no list of derivatives

Sextant Contenus isn't looking to write more, but to spend less time on the first layer and give that time back to the angle, the idea and the advice. The agent runs on local inference on a machine at the studio and plugs into the document store, the advertisers' CMS, the social scheduler and the e-mail platform: it prepares, the editorial director approves, nobody else publishes. The exchanges below cover one quarter, from the reopening of the archives to the review.

This company, its figures and the exchanges that follow were invented for the demonstration. They illustrate a common situation; they describe no real client.

Copywriting assistant · hosted in France
I read nine years of your archives last night — 3,120 published pieces and 214 briefs — and I found where your rounds of rework come from. It isn't the writing.
A brief is the written order for a piece of content: subject, angle, audience, format and what it must achieve.
The gap I measured, and it is the gap that decides the gain: 61 % of your briefs state neither the target query nor the list of derivatives expected. Those briefs produce 2.4 rounds of rework per piece; the others, 0.8. In other words, your writers aren't rewriting because they write badly: they are rewriting because the order was incomplete.
What I did without waiting: I filled in a standard brief for your 12 live productions, with everything I can establish from your own sources — advertiser, editorial voice that applies, format, target length, target query, planned derivatives, content already published on the subject — and I left highlighted what I cannot establish: across those 12 briefs, the measurable objective is missing 7 times and the approver on the advertiser's side 4 times.
What that gives you this week: a writer who opens a complete brief writes once. Across the 12 productions, the measured gap is 19 rounds of rework avoided — a little over a day of writing.
What I suggest: the editorial director reads the standard brief, we freeze it, and I pre-fill it on every new order. The boxes I cannot fill stay visible: that is their entire purpose. standard-brief_12-live-productions.pdf61 % of briefs incomplete · 19 rounds of rework avoided
⛓ Sourced · studio document store, 3,120 published pieces over 9 years, 214 briefs, successive versions of the productions
We're looking for the Novaris editorial voice, the one from before they changed their name. Nobody can find it, and we need it to rework some old articles.
Here it is, with the three documents that go with it — and I'll tell you which one governs.
· Novaris editorial voice v2, filed 03/09/2024, the last version before the October name change. That is the one you want.
· The name-change brief, which explains what moved in the vocabulary — useful if you have to justify a difference to the advertiser.
· The transition glossary listing the 22 replaced terms, old and new side by side.
· And 14 articles still online that use the old brand name. Those call for a decision: rework them, date them, or leave them.
How I find it when its file name says nothing — it is called LE_v2_def_OK.docx: I read the content, not the name. The vocabulary specific to the brand, the filing date and the internal cross-references are enough to identify it.
What that search was costing you: your own timesheets carry 26 hours of “looking for a document” this quarter, more than three working days spread across eleven people. The same document now comes back in one sentence.
What I suggest: that I sweep recent filings once a month and tag the advertiser, the kind of document and its version. Of the 3,120 pieces, 940 have no usable file name — and those are the ones you look for on a Friday evening. Indexing renames nothing: your current paths keep working. studio-memory_what-was-recovered.pdf940 files with no usable name, indexed
⛓ Sourced · studio document store, file contents rather than file names, quarterly timesheets
That leaves the real question: AI text is recognisable from ten metres away. Our advertisers buy our pen, not generic copy.
Which is exactly why I don't write from a generic model but from your material: I have written one editorial voice per advertiser. You had two written down; there are nine this morning.
An editorial voice is the way of writing that belongs to a brand: its vocabulary, its register, its usual formats, what it allows itself and what it rules out. Your writers carry it in their heads; it was written down nowhere.
What each one contains, and all of it can be checked sentence by sentence — because everything is drawn from copy you got signed off: average sentence length, share of active voice, vocabulary specific to the brand, opening and closing formulas, heading structure, and the words the brand never uses — the most useful trait of all, and the one no brand guide thinks to write down.
· Helianthe Énergies: 16 words per sentence, a figure at the head of each paragraph, “revolutionary” and “essential” absent from the last 40 approved pieces.
· Clairval Santé: formal address throughout, no promise of results — a constraint of their field, held without anyone having to remind them.
· Institut Peyrelade: informal on social, formal on web pages. Two tones for one advertiser, and it is deliberate.
What that changes on a first draft: it arrives ALREADY in the right tone. Your writers stop re-tuning a voice and start arbitrating an angle — and the arbitration is what the advertiser pays for.
What I suggest: the editorial director reads the nine editorial voices, and I apply them from the next order on. Each can be corrected one word at a time: it is your material, I have only set it down clearly. editorial-voices_9-advertisers.pdfWhat each brand says, and never says
⛓ Sourced · 3,120 approved pieces over 9 years, corrections made to the last 46 first drafts
Local inference · no data outside the EU

Your case is not here? That is exactly what a 15-minute conversation is for. Book the free audit

Use cases

The uses of AI in communication & advertising

Each use corresponds to an agent we deploy. All of them work in support, subject to approval by the creative direction.

Included in your agent The 2 capabilities essential to this promise are included, at no extra cost.
From 429 € excl. VAT / month

Multi-format copywriting

Articles, web pages, newsletters, advertising scripts and hooks: a first draft in your editorial voice, for review.

Knowledge base & briefs

Instantly find a set of guidelines, a brief or a past piece of content in the agency's memory.

Controls and safeguards These 3 controls are built into the agent: they frame what it does, whatever plan you pick. They are not chosen and are not added to your order.
Human validation, exceptions and escalation Status, safe closure and audit trail Human validation before publication, with versions retained
What the agent must be connected to This connection is required for the agent to work. It concerns your information system and is scoped during the audit.
Link content to performance, costs and campaign objectives
The gain

How much time can a team win back?

By automating the first draft and the adaptations per channel, a team can aim for a reduction by half in production time on recurring content — reinvested in the idea, the strategy and the client relationship.

First draft of an article and its adaptations
Today · done by hand
Prepared by the agent, to approve
Adapting a post across several networks
Today · done by hand
Near-instant
Answering a recurring request from an advertiser
Today · done by hand
Automatic
Qualitative, non-contractual comparison: the proportions shown illustrate the shift of the work towards review, they represent no measurement. Every output of the agent is reviewed and approved by a competent person.
How it works

The stages of your AI agent project

1

Audit & scoping

15 minutes to target the use case with the best return.

2

Quote or direct sign-up

A catalogue offer is bought online; a specific need gets a costed quote.

3

Design

We design the agent and its guardrails.

4

Integration & testing

We connect your tools to the agent, which is itself hosted in France.

5

Rollout

Going live and training your team.

6

Operation

Continuous supervision and improvement.

Pricing

Three options, one agent

A copywriting & content creation agent (multi-format, in your editorial voice), installed and operated for you. Choose according to how you work. Prices exclude VAT — annual subscription, the time it takes for the gains to settle in.

Agility

Setup + controlled subscription

2,800 € excl. VAT setup
then 429 € excl. VAT/month — you invest at installation and pay a reduced subscription. Ideal for keeping the cost under control over time.
  • Installation, configuration and training for your teams
  • Operation, human oversight, updates and support
  • Sovereign hosting in France, a dedicated and isolated resource
Order →
The simplest Serenity

All inclusive, no setup fee

584 € excl. VAT /month
all inclusive, immediate start. No upfront investment: a single subscription. Ideal for starting quickly and simply.
  • Setup included (installation, configuration, training)
  • Operation, human oversight, updates and support
  • Sovereign hosting in France, managed end to end
Order →
100% Sovereign

On site, you own it

5,895 € excl. VAT setup
then 629 € excl. VAT/month · + hardware from 1,058 € (one-off purchase, in addition) — a sovereign computer installed on your premises, maintained remotely. Models run locally, your data returned at the end of the contract. 36-month commitment.
  • Hardware installed on your premises (you own it)
  • French / European AI models run locally
  • Secure remote maintenance (Pro support included)
Order →
Not included in the packages: AI consumption (model tokens), re-invoiced at real cost with no margin, and tracked in real time in your client area. Maintenance and supervision subscription for an initial term of 12 months for the Agility package, 24 months for the Serenity package and 36 months for the 100% Sovereign package, renewable; support levels (SLA 72 h / 24 h / 4 h) optional. Bespoke development, additional integrations or exceptional volumes are quoted separately. Support Monday to Friday, 9am to 6pm. Prices exclude VAT.
AI model: none of the AI models offered currently carries a fixed surcharge. When the selected model carries a cost, that cost is shown when you choose it, before you order, and re-invoiced at the cost incurred, with no mark-up; usage is billed at the publisher's price. Publishers' prices are published in US dollars: the amount re-invoiced is the amount in euros actually borne by Blue Lemon Agent on the publisher's invoice, at that invoice's exchange rate, with no commission or mark-up.
Included components and additional components Components included in the base offer: the Blue Lemon Agent software foundation, the AI models listed in the order journey, the standard channels (Microsoft Teams, Slack, WhatsApp Business, email, website chat, calendars, Microsoft 365 / Google Workspace, file storage, market VoIP telephony, professional social-media pages and accounts, Google Business Profile), hosting in France for the package chosen, backups, supervision, updates and support. If adapting the AI agent to your constraints, your needs or your requests requires other paid components — a third-party publisher's software licence, paid API access to one of your applications, hosting of health data, for which French law requires an HDS-certified host (art. L. 1111-8 of the French Public Health Code), SecNumCloud-qualified hosting, a speech synthesis service, particular hardware —, they are offered to you as an option or on quotation and re-invoiced at the cost incurred; nothing is committed without your written agreement. Where the artificial intelligence model you choose entails an additional cost, that cost is shown to you before you order and re-invoiced to you at the cost incurred, with no margin.
What to expect
Go-live 2 to 3 weeks
Agent designed, channels connected, team trained.
Steady state 4 to 7 weeks
After a few weeks of real use, once the agent's behaviour matches what you expect. Indicative estimate, adjusted to the options you keep. It is not a delivery commitment.
Our commitment

Four guarantees that matter to communication

Your content never leaves the teamLocal inference or an isolated resource hosted in France; no brief and no unpublished content entrusted to a foreign third party.
Content in France, under French lawFor your content: hosting under French law, native minimisation, architecture designed to reduce exposure to extraterritorial legislation, location alone not being enough to guarantee immunity.
The creative direction keeps the decisionThe agent produces verifiable texts and adaptations; no publishing is automated.
Human oversight & traceabilityMonitoring and logging frame multi-format copywriting; compliant with the requirements of the AI Act.
Frequently asked questions

Your questions, our answers

Does the agent really write in our editorial voice?
Yes. The agent is fed with your editorial guidelines, your brand voice and your best content: it proposes first drafts set to your tone, your formats and your usual angles. The writer moves from raw production to editing and approval, much faster and of higher value.
Who owns the content the agent produces?
To you. The agent generates texts that your teams review, correct and publish: the intellectual property of the content stays yours. As the agent runs locally or on an isolated resource hosted in France, your work is never used to train a third-party model.
Are our advertisers' briefs and data protected?
Yes. Confidential briefs, launch strategies and client data are sensitive: our agents run locally within the team or are hosted in France, with the deployment objective of processing and access operated within the European Union and an architecture designed to reduce exposure to extraterritorial legislation, location alone not being enough to guarantee immunity. An agency handling competing brands gets isolated environments.
Is the generated content not too generic?
That is exactly the point of a bespoke agent rather than a consumer tool. By training it on your content, your guidelines and your references, you get texts aligned with your brand voice. And human oversight stays systematic: the agent produces the first layer, your creatives bring the idea and the finish.
Does the agent handle several formats and channels?
Yes. From a single brief, it writes and adapts: an SEO article, social media posts tailored to each network, a web page, a newsletter, advertising scripts, hooks. The adaptations respect each channel's constraints, ready to approve and schedule.
Do we have to change tools?
No. The agent connects to your existing tools (CMS, social media scheduling tools, office suite, document management) and complements them, without imposing a migration. We adapt the integration to your environment.
How long does it take to deploy an agent?
A few weeks as a rule, after a free 15-minute audit that identifies the use case with the best return, then a phase of design, training on your editorial line and testing before going live and training your teams.
Let's talk

Let us estimate the potential in your organisation

15 minutes to identify the content with the best return to automate — hosted in France, supervised, with no commitment.