Armature
AI Development Tools · AI Evaluation & Observability
Overview
Armature helps your product get picked by coding agents such as Claude Code, Codex and Cursor. Then it shows you what users do with your product through AI, and runs evals so it keeps working.
Funding and backers
Hiring now
4
+4 posted in 30 days
Backers
2
Y Combinator, Founders Future
Momentum
55/100
hiring for its size, in the news
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Sep 3
On the Hacker News front page Which tools do Claude, Codex and Cursor choose? We measured 17k runs to find out · 300 points
Aug 3
Launched on Hacker News Show HN: Product analytics (and evals) for agent sessions on your MCP
Apr 2026
Went through Y Combinator
Tractionpublic signals, read monthly
Web presence
top 7%
of 133.2M domains by links, Common Crawl
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
Connect Claude Code, Codex and Cursor session costs to engineering work and outcomes. Find wasted tokens, repeated failures and practices…
Build better AI systems with evals, RAG, agents, synthetic data, fine-tuning, and prompt optimization. Free app + open-source library.
OpenAgents (OpenAgent) is the collaboration OS for AI agents. Workspace: collaborate with AI agents in shared threads, files, and browser…
Bring Claude Code, Codex, OpenCode, or any coding agent into one workspace. Run tasks in parallel, isolate changes, and review everything…
Give any coding agent a real environment to run, verify, and ship. Niteshift returns a pull request with evidence it works — built for…
Proliferate is the open-source agent workspace: run Claude Code, Codex, Gemini, and open models in parallel, locally or in the cloud.
Jobs
$67k – $111k per year · Equity 0.3–1% · In office · Full-Time · Paris
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$67k – $111k per year · Equity 0.3–1% · In office · Full-Time · Paris
AI Agents
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$67k – $111k per year · Equity 0.3–1% · In office · Full-Time · Paris
Human-in-the-Loop
Apply
Growth
Hiring Momentum
73/100
Growing
Open positions
4
4 opened / 0 closed in 30 days
ATS activity
Every ~5 hours
Today
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
50% ▲
Sales
25% ▲
Solutions
25% ▲
Tech stack
Technologies named in job postings at Armature over the last 12 months, by layer, with the share of postings for each.
Technologies in use
2
Postings analysed
2
Stack modernity
74/100
Practices & domains
AI Agents
Human-in-the-Loop
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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 investors
Founders FutureVia a fund
Y CombinatorVia a fund
6310 portfolio companies
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
Which tools do Claude Code, Codex and Cursor choose? We measured 16,893 sessions to find out.
We watched almost 17k sessions across different types of personas, with 1,163 prompt variations, 75 repositories and 3 coding agents (Claude Code, Codex, Cursor) actually implementing the solutions instead of just recommending one.
Read more
Report
Meta is closing down three VR studios as part of its metaverse cuts
Meta's Reality Labs layoffs include shutting down some of its VR studios, according to employees affected by the cuts.
Read more
Report
Armature's Gorgeous Looking Adventure "Where The Heart Leads" Confirms A July PS4 Release Date
Where The Heart Leads from Armature Studio has confirmed a July PS4 release date, with the game growing a lot from its original vision.
Read more
Report
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
1
Countries
1
Busiest office
Paris
Paris
France
HQ
4 open roles 4 posted in 90 days 50% engineering $111k Avg Salary
hires for Backend, Sales, Solutions