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Castari

Pre-SeedFunding signal
www.castari.comB2BSan Francisco, CA, USA
Market index

Market data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 6:22 PM

Worth a meetingEvidence-bound analyst verdict
  • •Funding: Raised $500K across 1 funding round. Latest: $500K Pre-seed (Sep 2025). Investors: Y Combinator.
  • •Named backers in indexed sources: Y Combinator.
  • •Hiring: 1 hiring‑related row(s); role‑spam risk if mostly generic boards

What would change this read

  • →Product launches or public engineering activity would evidence execution.

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

TL;DR

Seed (YC)

Castari — Build & Deploy AI Agents Production runtime for Claude Agent SDK-based agents.

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Sep 2025). Investors: Y Combinator. (High).

Quick read

  • •Castari — Build & Deploy AI Agents Production runtime for Claude Agent SDK-based agents.
  • •Sector narrative limited in indexed snippets; verify on primary sources (castari.com).

Key signals

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Sep 2025). Investors: Y Combinator. (High).

Hiring

1 hiring‑related row(s); role‑spam risk if mostly generic boards (Low).

Product / news

Limited product/news coverage in corpus (Low).

Evidence summary

Verified facts

  • •Castari — Build & Deploy AI Agents Production runtime for Claude Agent SDK-based agents.
  • •Sector narrative limited in indexed snippets; verify on primary sources (castari.com).

Recent movers

  • •May 20, 2026 · ycombinator.com — Castari (MadeThis) | Y Combinator
  • •May 11, 2026 · Careers — Castari - Build & Deploy AI Agents
  • •May 20, 2026 · ycombinator.com — Castari (MadeThis) | Y Combinator
  • •May 11, 2026 · Careers — Castari - Build & Deploy AI Agents
  • •Y Combinator

Suggested next steps

  • ▸Open a founder conversation this month; validate traction claims against the indexed evidence.
  • ▸Add to the active watchlist so new signals trigger alerts.

Funding & hiring signals

funding_articleConfidence: low

Castari (MadeThis) | Y Combinator

YC Fall 2025; Vercel-like deploy/runtime for Claude Agent SDK agents (`cast deploy`).

Affected score: noObserved: May 20, 2026

Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.

Open roles (indexed)

No open roles indexed yet.

Public index
43Activity 68/100Elevated public activity signal
7D—
30D+14 (+48.3%)
High Confidence

The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.

Source health

  • public_page:careersok
    Last checked Thu, Jul 2, 04:25 PM
  • public_page:homeok
    Last checked Thu, Jul 2, 04:25 PM
  • public_market_enrichmentok
    Last checked Sun, Jun 28, 07:08 PM
  • public_page:_careersok
    Last checked Sun, Jun 28, 07:08 PM
  • public_page:_ok
    Last checked Sun, Jun 28, 07:08 PM

Signal timeline

4 dated public signals · newest on the right

Funding
Hiring
Code
Company
Sep 18, 2025Feb 14, 2026Jul 13, 2026
Funding (1)Hiring (1)Code (1)Company (1)

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows
4
Latest evidence
Thu, Jul 2, 04:25 PM

Source types found

careers_pagefunding_articlegithubofficial_site

Strongest / recent news-style rows

  • Castari (MadeThis) | Y Combinator

    Wed, May 20, 06:22 PM · confidence 88%high quality

Public signal timeline

Newest first · 4 event(s)

1
Thu, Jul 2, 04:25 PM · careers_page · 90% · publichigh qualityCastari - Build & Deploy AI Agents

Source: Careers page

The deployment platform for Claude agents. Build, deploy, and scale AI agents with one command.

Source ↗
2
Thu, Jul 2, 04:25 PM · official_site · 90% · publichigh qualityCastari - Build & Deploy AI Agents

Source: Homepage

The deployment platform for Claude agents. Build, deploy, and scale AI agents with one command.

Source ↗
3
Sun, Jun 28, 07:08 PM · github · 72% · verified_publichigh qualityGitHub - castari/cli: CLI for deploying agents to castari · GitHub

Source: GitHub (linked from site)

GitHub presence linked from official site for Castari.

Source ↗
4
Wed, May 20, 06:22 PM · funding_article · 88% · verified_publichigh qualityCastari (MadeThis) | Y Combinator

YC Fall 2025; Vercel-like deploy/runtime for Claude Agent SDK agents (`cast deploy`).

Source ↗

Official / company site

1 row(s)

The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.

official_site·Thu, Jul 2, 04:25 PM·Confidence 90%high qualitypublic
Castari - Build & Deploy AI Agents

The deployment platform for Claude agents. Build, deploy, and scale AI agents with one command.

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗

Funding / news

1 row(s)

Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.

funding_article·Wed, May 20, 06:22 PM·Confidence 88%high qualityverified_public
Castari (MadeThis) | Y Combinator

YC Fall 2025; Vercel-like deploy/runtime for Claude Agent SDK agents (`cast deploy`).

Why it matters: Funding signal — Pre-Seed per this source; verify against the linked original before relying on it.

Open source ↗

Hiring

1 row(s)

Open roles and careers pages. Active hiring implies runway to spend and shows where the company is investing (engineering vs GTM vs ops).

careers_page·Thu, Jul 2, 04:25 PM·Confidence 90%high qualitypublic
Castari - Build & Deploy AI Agents

The deployment platform for Claude agents. Build, deploy, and scale AI agents with one command.

Why it matters: Hiring signal — open roles imply runway to spend and show where the company is investing.

Open source ↗

GitHub

1 row(s)

Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.

github·Sun, Jun 28, 07:08 PM·Confidence 72%high qualityverified_public
GitHub - castari/cli: CLI for deploying agents to castari · GitHub

GitHub presence linked from official site for Castari.

Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.

Open source ↗

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