GitHub · Jul 2026
Open-source repository shows active development and a recent release train (latest release v0.48.0), indicating ongoing product updates.
Platform for running autonomous coding agents
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Mistle is a Singapore-based open-source platform for engineering teams to run background coding agents in secure sandboxes, with brokered credentials, reusable snapshots, integrations, and inspectable sessions. It launched publicly after a prior product phase as Zapi.
Primary product
Open-source background coding agents platform
Founded
2022
Headquarters
Singapore, Singapore
Team size
1-10 employees
Industry
Software Development
Sub-industry
AI developer tools / background coding agents
Offices
0 jobs at Mistle
Check back later for new openings
Business model
Stage
seed
Total raised
$500K
Latest round
Y Combinator S22 / seed · Jun 2022
Latest amount
$500K
Jun 2022 · Y Combinator
Investors
Engineering-first and security-conscious, with an open-source, dogfood-heavy product culture centered on inspectable and steerable agent work.
Pricing
Not publicly disclosed; a free trial is mentioned on the company LinkedIn page.
Differentiators
Technology
Competitors
GitHub · Jul 2026
Open-source repository shows active development and a recent release train (latest release v0.48.0), indicating ongoing product updates.
LinkedIn · Oct 2025
Rebrand announcement from Zapi to Mistle; positions the product as a background agent platform and highlights GPT-5 Codex-powered code generation and review.
LinkedIn · Jun 2025
Earlier product announcement focused on turning PRDs into prototypes and helping product teams move faster.
LinkedIn · Apr 2025
Beta launch of backend capabilities for the product, including prompts for backend features like forms and waitlists.