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Mantle

Pre-SeedFunding signal
www.mantle.workB2BUnknown
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 Information may be incomplete or outdated — verify independently before making decisions.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, 6:17 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.
  • •Product/news: 1 product/news‑styled row(s); headline risk without filings

What would change this read

  • →Open roles appearing would signal burn capacity and growth intent.

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 Research may be incomplete, outdated, or incorrect.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)

Mantle | Automate your back office One-prompt internal agents across business tools.

Funding

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

Quick read

  • •Mantle | Automate your back office One-prompt internal agents across business tools.
  • •Reported angle: Launch YC: Mantle

Key signals

Funding

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

Product / news

1 product/news‑styled row(s); headline risk without filings (High).

Evidence summary

Verified facts

  • •Mantle | Automate your back office One-prompt internal agents across business tools.
  • •Reported angle: Launch YC: Mantle

Recent movers

  • •May 20, 2026 · ycombinator.com — Mantle | Y Combinator
  • •May 20, 2026 · ycombinator.com — Launch YC: Mantle
  • •May 20, 2026 · ycombinator.com — Mantle | Y Combinator
  • •May 20, 2026 · ycombinator.com — Launch YC: Mantle
  • •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

fundingConfidence: high

Metal 3D printing startup Mantle launches out of stealth with $13M in funding

Metal 3D printing startup Mantle launches out of stealth with $13M in funding https://techcrunch.com/2021/02/24/metal-3d-printing-startup-mantle-launches-out-of-stealth-with-13m-in-funding/

Affected score: noObserved: Jun 29, 2026Amount: $13M
funding_articleMay 20, 2026Confidence: high

Mantle | Y Combinator

Fall 2025 batch; internal agents automating back office with one natural-language prompt.

Affected score: yesObserved: May 20, 2026Round: Pre-Seed
raisedpre-seed

Open roles (indexed)

No open roles indexed yet.

Public index
178Activity 97/100Strong public activity signal
7D+39 (+28.1%)
30D+39 (+28.1%)
Needs Review

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:homeok
    Last checked Thu, Jul 2, 04:16 PM
  • githubok
    Last checked Mon, Jun 29, 04:06 PM
  • fundingok
    Last checked Mon, Jun 29, 04:06 PM

    discovery:google:google_cse_quota_exhausted

  • public_market_enrichmentok
    Last checked Mon, May 11, 04:49 AM
  • public_page:_ok
    Last checked Mon, May 11, 04:49 AM

Signal timeline

12 dated public signals · newest on the right

Funding
Code
Press
Company
Other
Dec 8, 2020Oct 29, 2023Sep 18, 2026
Funding (2)Code (5)Press (1)Company (2)Other (2)

Signal breakdown

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

Public source summary

Total evidence rows
12
Latest evidence
Thu, Jul 2, 04:16 PM

Source types found

fundingfunding_articlegithubofficial_siteotherpress

Strongest / recent news-style rows

  • Metal 3D printing startup Mantle launches out of stealth with $13M in funding

    techcrunch · Mon, Jun 29, 04:06 PM · confidence 78%high quality

  • Mantle | Y Combinator

    Wed, May 20, 06:17 PM · confidence 88%high quality

  • Mickey Mantle

    wikipedia · Mon, Jun 29, 04:06 PM · confidence 50%medium quality

Public signal timeline

Newest first · 12 event(s)

1
Thu, Jul 2, 04:16 PM · official_site · 90% · publichigh qualityAutomate your back office with one prompt | Mantle

Source: Homepage

Mantle connects to your CRM, Mail, Calendar, Payments, Product Analytics, and more. Create internal agents that handle reports, updates, and routine tasks automatically. They run in the background, react to changes in real time, follow a schedule, or work whe…

Source ↗
2
Mon, Jun 29, 04:06 PM · funding · 78% · publichigh qualityMetal 3D printing startup Mantle launches out of stealth with $13M in funding

Source: techcrunch

Metal 3D printing startup Mantle launches out of stealth with $13M in funding https://techcrunch.com/2021/02/24/metal-3d-printing-startup-mantle-launches-out-of-stealth-with-13m-in-funding/

Source ↗
3
Mon, Jun 29, 04:06 PM · official_site · 75% · publichigh qualityAutomate your back office with one prompt | Mantle

Source: official_site

Backed by Automate your back office with one prompt Mantle connects to your CRM, Mail, Calendar, Payments, Product Analytics, and more. Create internal agents that handle reports, updates, and routine tasks automatically. They run in the background, react to…

Source ↗
4
Wed, May 20, 06:17 PM · funding_article · 88% · verified_publichigh qualityMantle | Y Combinator

Fall 2025 batch; internal agents automating back office with one natural-language prompt.

Source ↗
5
Mon, Jun 29, 04:06 PM · github · 55% · publicmedium quality@heymantle/client

Source: npm_registry

Mantle API Client for TypeScript and JavaScript

Source ↗
6
Mon, Jun 29, 04:06 PM · github · 55% · publicmedium quality@aotter/mantle-admin-ui

Source: npm_registry

Admin SPA for mantle — React 19 + Vite + Tailwind v4 + shadcn. Platform-agnostic: ships a single self-contained HTML string consumed by mantle-cloudflare / mantle-netlify mount layers.

Source ↗
7
Mon, Jun 29, 04:06 PM · github · 55% · publicmedium quality@ngrok/mantle-vite-plugins

Source: npm_registry

Vite plugins for @ngrok/mantle.

Source ↗
8
Mon, Jun 29, 04:06 PM · github · 55% · publicmedium quality@ngrok/mantle-server-syntax-highlighter

Source: npm_registry

Server-side syntax highlighting for @ngrok/mantle, powered by Shiki.

Source ↗
9
Mon, Jun 29, 04:06 PM · github · 55% · publicmedium quality@ngrok/mantle

Source: npm_registry

mantle is ngrok's UI library and design system.

Source ↗
10
Mon, Jun 29, 04:06 PM · other · 50% · publicmedium qualityMickey Mantle

Source: wikipedia

Source ↗
11
Mon, Jun 29, 04:06 PM · other · 50% · publicmedium qualityMantle

Source: wikipedia

Source ↗
12
Wed, May 20, 06:17 PM · press · 85% · verified_publicmedium qualityLaunch YC: Mantle

Agents for CRM, mail, calendar, and payments.

Source ↗

Official / company site

2 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, 04:16 PM·Confidence 90%high qualitypublic
Automate your back office with one prompt | Mantle

Mantle connects to your CRM, Mail, Calendar, Payments, Product Analytics, and more. Create internal agents that handle reports, updates, and routine tasks automatically. They run in the background, react to changes in real time, follow a schedule, or work whe…

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 ↗
official_site·Mon, Jun 29, 04:06 PM·Confidence 75%high qualitypublic
Automate your back office with one prompt | Mantle

Backed by Automate your back office with one prompt Mantle connects to your CRM, Mail, Calendar, Payments, Product Analytics, and more. Create internal agents that handle reports, updates, and routine tasks automatically. They run in the background, react to…

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 ↗

News

3 row(s)

Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.

other·Mon, Jun 29, 04:06 PM·Confidence 50%medium qualitypublic
Mickey Mantle

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
other·Mon, Jun 29, 04:06 PM·Confidence 50%medium qualitypublic
Mantle

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
press·Wed, May 20, 06:17 PM·Confidence 85%medium qualityverified_public
Launch YC: Mantle

Agents for CRM, mail, calendar, and payments.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

Funding / news

2 row(s)

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

funding·Mon, Jun 29, 04:06 PM·Confidence 78%high qualitypublic
Metal 3D printing startup Mantle launches out of stealth with $13M in funding

Metal 3D printing startup Mantle launches out of stealth with $13M in funding https://techcrunch.com/2021/02/24/metal-3d-printing-startup-mantle-launches-out-of-stealth-with-13m-in-funding/

Why it matters: Funding signal — capitalization evidence; check the linked source for round, amount, and investors.

Open source ↗
funding_article·Wed, May 20, 06:17 PM·Confidence 88%high qualityverified_public
Mantle | Y Combinator

Fall 2025 batch; internal agents automating back office with one natural-language prompt.

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

Open source ↗

GitHub

5 row(s)

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

github·Mon, Jun 29, 04:06 PM·Confidence 55%medium qualitypublic
@heymantle/client

Mantle API Client for TypeScript and JavaScript

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

Open source ↗
github·Mon, Jun 29, 04:06 PM·Confidence 55%medium qualitypublic
@aotter/mantle-admin-ui

Admin SPA for mantle — React 19 + Vite + Tailwind v4 + shadcn. Platform-agnostic: ships a single self-contained HTML string consumed by mantle-cloudflare / mantle-netlify mount layers.

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

Open source ↗
github·Mon, Jun 29, 04:06 PM·Confidence 55%medium qualitypublic
@ngrok/mantle-vite-plugins

Vite plugins for @ngrok/mantle.

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

Open source ↗
github·Mon, Jun 29, 04:06 PM·Confidence 55%medium qualitypublic
@ngrok/mantle-server-syntax-highlighter

Server-side syntax highlighting for @ngrok/mantle, powered by Shiki.

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

Open source ↗
github·Mon, Jun 29, 04:06 PM·Confidence 55%medium qualitypublic
@ngrok/mantle

mantle is ngrok's UI library and design system.

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

Open source ↗

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