Startups

Build, launch and scale your startup faster

Assumer is the AI coding agent for your terminal. Describe a feature, review the diff, and ship it from your own repo.

Startups Growth Chart

Why Startups Choose Assumer

A coding agent that works in your codebase, so a small team can ship like a bigger one.

Ship Your MVP Sooner

Describe a feature and Assumer plans, edits and tests it in your repo

Start Free

Begin on the free plan and upgrade only when your team needs more

Focus on Your Product

Assumer writes the boilerplate. You review diffs and focus on your users

No Lock-in

Your code stays in your repo and ships with the pipeline you already use

Developers build faster with Assumer

Features that help small teams move quickly and stay focused

Plan Agent

Press Tab to switch to the read-only plan agent and analyze the codebase before any file is changed.

plan agent

Task: Review auth

Scope: src/auth/

Finding: Session tokens in config.ts expire after 24 hours. Plan: lower the expiry, add a refresh check and update the tests...

MCP Servers

Connect databases, issue trackers and docs to Assumer with assumer mcp add.

{} mcp.json

Find open bugs for this repo

Generating
Calling MCP tool list_issues
{
  "repo": "northwind/app",
  "state": "open",
  "labels": [
    {
      "name": "bug",

Project-wide Edits

Assumer reads the repo, then updates routes, types and tests together so a change stays consistent end to end.

users.ts
.../v1/users
orders.ts
.../v1/orders
invoices.ts
.../v1/invoices
webhooks.ts
.../v1/webhooks

Connect Your Tools

Reach your databases and services through MCP, with LSP diagnostics for TypeScript, Python, Go, Rust and more.

MySQL

Sessions and Usage

See tokens and cost with assumer stats, and reopen past work with assumer session list.

9 Jul 06:10:05 200 GET a0a3da03-383d
9 Jul 06:10:03 200 POST e4205182-5eb0
9 Jul 06:10:02 200 POST 93a73ff8-321d
9 Jul 06:10:01 200 GET ea65434a-8634
9 Jul 06:10:00 200 POST c31ed4e2-41e6

Ship with your pipeline

Commit, open a PR and deploy with the CI/CD you already use. Risky commands stay on ask.

Work With Your Favorite Stack

Assumer works with any language and framework in your repo

React
Next.js
Payload CMS
Flutter
Kotlin
Svelte
Tailwind CSS
Vue.js
Nuxt
Ionic

Built to Help Startups Succeed

3

Platforms: macOS, Windows, Linux

6

Built-in Language Servers

2

Agents: build and plan

15+

CLI Commands

16

Slash Commands

MIT

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