Overview
Connections
News
Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials

Funding and backers

Team
24
US Form 5500 (plan participants) · Dec 2024
Hiring now
3
open roles
Backers
1
Y Combinator
Momentum
15/100
in the news
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Apr 2026 Went through Y Combinator 2025 Founded
Tractionpublic signals, read monthly
Web presence
top 7%
of 133.2M domains by links, Common Crawl
GitHub stars
10 public repositories
Hacker News stories
1
best: 5 points
Registers and programsofficial lists and records that name the company
Legal entity Second Stage Labs, Inc. its site
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
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Overview

Primitive builds email infrastructure for AI agents, giving each agent a real address that it can send and receive from. Hosted functions turn incoming mail into structured triggers for automated work. The product treats email as an interface between agents and the people they work with.

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors1
Y CombinatorVia a fund
6188 portfolio companies

News

News a16z.news 2 months ago
Intelligence is the Primitive. Applications are the Diffusion Layer.
How durable AI-native products can price, package and productize model gains for industry.
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Report
News spiffworks.substack.com 2 months ago
The Primitive Puppet Show
21% of the internet is AI pretending to be human (2). How can we use AI to improve communication rather than thwart it?
Read more
Report
AI Memory for Claude: An Honest 4-Way Comparison
Four tools, four bets about what AI memory should do. Cost, privacy, and which wins for your workflow -- from a practitioner who built one of them.
Read more
Report
News Prasham H Trivedi 3 months ago
Tools vs Resources vs Prompts: the MCP primitive you
MCP primitives (Tools, Resources, Prompts) are not interchangeable. The misuse that bites: shipping read-only data as a Tool the model must choose to call.
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Report
News amplifypartners.com 3 months ago
The primitive is the product - Amplify Partners
Why every software company is now a dev tools company.
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Report
News X (formerly Twitter) 4 months ago
Carter Rabasa (@crtr0) on X
File systems are the new primitive for AI agents
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Report
News Universe Today 5 months ago
Astronomers Observe the Most Chemically Primitive Galaxy in the Early Universe
An international team led by Associate Professor Kimihiko Nakajima of Kanazawa University has captured a rare look at the early universe. Using the James Webb Space Telescope (JWST) and the power of gravitational lensing, the team achieved a definitive ch
Read more
Report
Show more news

Tech stack

Technologies named in job postings at Primitive over the last 12 months, by layer, with the share of postings for each.
Technologies in use
4
Postings analysed
3
Stack modernity
85/100
Languages
Rust
Cloud & platforms
Kubernetes
Linux
Practices & domains
AI Agents
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Salary insights

Compensation ranges based on this company's open jobs
Median
$230k
Typical range
$230k
Open positions
3
3 Jobs
Middle 100%
Level Jobs Median Typical range
Middle 3 $230k $230k
Highest paying role Product Engineer $230k
Normalized to USD per year

Growth

Hiring Momentum
51/100
Stable
Open positions
3
0 opened / 0 closed in 30 days
ATS activity
Every ~4 hours
10/31/2026
Hiring Dynamics +100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
33% ▼
DevOps
33% ▼
Solutions
33% ▼
Activity Timeline
Added Linux to stack Sep 2026

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
San Francisco
San Francisco United States
HQ
primitive.dev
3 open roles 3 posted in 90 days 67% engineering 50-200 est. staff $230k Avg Salary
hires for Backend, DevOps, Solutions
San Francisco
seen since Sep 2026 company site

Jobs

$190k – $230k per year · Equity 0.2–0.8% · In office · Full-Time · 3+ years exp · San Francisco
Rust
AI Agents
DevOps
Kubernetes
Linux
Apply
$190k – $230k per year · Equity 0.2–0.8% · In office · Full-Time · 3+ years exp · San Francisco
AI Agents
Apply
$190k – $230k per year · Equity 0.2–0.8% · In office · Full-Time · 3+ years exp · San Francisco
AI Agents
Apply