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Blacksmith Software – AI Code Validation & CI Infrastructure

Blacksmith Software raised $45 million in a Series B round led by Peak XV Partners to expand its cloud-based CI and AI code validation service as agentic software development accelerates.

Importance: 40%Confidence: 75%Mentions: 1Updated: August 13, 2026
## Overview Blacksmith Software Inc. provides a continuous integration service that combines code development with cloud-based testing, rather than testing on the developer's local machine. The company raised $45 million in Series B funding to expand its AI code validation capabilities as agentic software development grows (SiliconANGLE, August 12). ## Key Developments - Raised $45 million in Series B funding, led by Peak XV Partners, with participation from existing investors Y Combinator and GV (SiliconANGLE, August 12) - Funding aims to support AI code validation amid the growth of agentic development workflows (SiliconANGLE, August 12) ## Why It Matters Blacksmith's raise reflects growing investor appetite for infrastructure that validates and tests AI-generated code, a necessary complement to the surge in agentic coding tools (e.g., Claude Code, OpenAI Codex, Cursor). This is part of a broader capital wave into developer tooling built specifically to manage risks from AI-authored code. ## Entities Involved - Blacksmith Software Inc. - Peak XV Partners (lead investor) - Y Combinator, GV (existing investors) ## Connections Part of the same investment wave as CodeRabbit's $143M raise, both addressing quality/governance challenges from agentic AI coding tools.