Letterstory — Content marketing that wins, delivered at lightning speed

Content marketing that wins the<br>hearts of agents, humans, and Google<br>Letterstory reduces the cumbersome process of content marketing into a simple system with expertly-crafted tools. The best part? No 6-month monthly retainers. No upfront fees. Get started for free!

Book a CallTry Free Plan<br>Our foundations are in producing incredible content for discerning audiences. Our team has written for PostHog, Retool, Runlayer, Evervault, ElevenLabs, Archil, Oso, Credal, Stainless, Daily.co, Secoda, Modal, and many, many more.

Letterstory is a framework for building a fully automatic content system<br>Automate what you want to automate. Control what you want to control. Letterstory provides the building blocks to create a winning content strategy without sacrificing brand voice or quality of content.

What is Curate?0:30

Discover, rank, and queue the most strategic articles to write—automatically.<br>By tracking competitor blogs, SEO & AEO data, trends, and documentation changes, Letterstory can recommend the optimal topics without cannibalizing reach.

Watch Competitor Blogs<br>Track changes to competitor blogs, auto-flag blogs that threaten search rank, and detect competitor keyword strategy.

SEO & AEO Data<br>Build iterative SEO and AEO strategies that win clusters with good readership.

Monitor Trends<br>Watch for trending conversations on social media and substack channels that merit an official company response.

Watch Docs Changes<br>For companies built around public specs and frameworks, watch for changes that call for conversation.

Use adversarial writing kernels to produce incredible copy with a synthetic human feel.<br>Writing kernels are agent harnesses that use adversarial voting to produce human-like writing. Explore our nine writing kernels, each with its own portfolio demonstrating its style. Choose the best fit and refine the voice to match yours.

Spruce-v0.1<br>Formal, first-person writing designed for silicon valley readers with some startup background.

Juniper-v0.2<br>Casual, third-person writing that prioritizes simple language and approachability. Ideal for smart audiences that appreciate humorous writing.

Sequoia-v0.1<br>Punchy, third-party writing that takes brevity to heart. Avoids hedging, history lessons, and assumes the reader cares about their time and is educated.

Madrona-v0.1<br>Formal, third-party writing that is heavily corporate without leaning too hard into jargon. Ideal for companies looking to build rapport amongst enterprise.

Fine-tune voice, add internal links, add sources, audit technical facts, create visuals via process flows.

What is Enhance?0:34

Add Internal Links<br>Letterstory analyzes your sitemap and finds internal link opportunities.

Open Sample Flow →<br>Create Tables<br>Create tables for elegant contrasts, all deterministically consistent with the brand’s visual identity.

Open Sample Flow →<br>Add Semantic Keywords<br>Add performant keywords without stuffing sentences with unnecessary verbiage.

Open Sample Flow →<br>Create Venn Diagrams<br>Create venn diagrams with two or three circles, all within the brand’s guidelines.

Open Sample Flow →<br>Technical Accuracy<br>Cross-check sources to ensure represented information is semantically correct.

Open Sample Flow →<br>Perfect Voice<br>Ensure verbiage is always consistent with the company’s voice.

Open Sample Flow →

Publish to target destinations across the internet.<br>Letterstory supports custom field-to-field mappings for the world’s best blog and social media software. Auto-generate meta fields, JSON-LDs, and LLMs.txt inclusions.

Integrates with

Coming Soon<br>Coming Soon

SEO metadataAuto-generate SEO metadata like meta description, meta title, og description, etc.

Agent-ready fieldsAuto-generate JSON-LDs, LLMs.txt inclusions, and other metadata to be better indexed by AI agents.

Watch articles for signals of success and signs for a second look.Watch articles for signals of success and signs for updates.<br>Letterstory monitors articles that are not performing or those that might've fallen out of date. Efficiently maintain your blog without lifting a finger.

What is Monitor?0:32

Developer hooks for everything<br>Every single process on Letterstory is accessible via an API path or MCP tool call. Use Curate, Write, Enhance, Publish, and Monitor intelligently in your content workflows<br>Explore Docs

Create branded visuals that teeter the line of consistent and creative.<br>Letterstory creates cover images and graphics that are mathematically consistent with your brand guidelines.

Win content rank with intelligent automation<br>Letterstory is the most powerful end-to-end content marketing machine ever built. Grow your content marketing motion.<br>Book a CallTry Free Plan