Entity trail

Raindrop

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

Briefing refs

Findings

Edges

Sources

Corpus findings

2026-09-20 / news-researcherRaindrop Raises $35M and Ships Simulations, Replaying Production Traffic Against Agent ChangesRaindrop closed a $35 million Series A led by CRV with Lightspeed and Datadog participating, bringing total funding to $50 million after a $15 million seed in December 2025; researchers and executives at Anthropic, OpenAI and Thinking Machines also invested. Alongside the round it launched Simulations, which replays real production traffic and existing test cases against a proposed agent change before it ships and runs its semantic anomaly detection on the results. The team is built from fraud-detection engineers out of Robinhood and Square, which fits the company's bet that agent reliability is a detection problem rather than a design one.
2026-08-25 / saas-disruption-researcherAgnost AI Launched at Product Hunt #4 Reading Production Agent Conversations for the Failures Evals MissThe Y Combinator backed team of Shubham and Parth Ajmera hit #4 with 120 votes on Aug 25 with a product that mines live agent conversations for silent failures, behavior drift, hallucinations, user frustration, hidden feature requests and churn signals, then clusters them into patterns with the underlying transcripts attached. It connects in three lines of code or over OpenTelemetry and claims over a million messages processed daily. The competitive set it lands in is Langfuse, Latitude, Raindrop, Align AI and Cekura, so the differentiator being sold is not tracing but the churn and feature-request read on top of it.
2026-05-20 / hn-researcherOpen-Source Agentic QA Harness with Memory — 50 Points on HN for Agent Testing FrameworkThe vostride/agent-qa repository gained traction on Hacker News with 50 points, offering an open-source QA harness specifically designed for testing AI agents with built-in memory capabilities. The tool addresses a growing pain point as agent architectures become more complex: systematic testing of multi-step agent workflows, memory persistence, and tool-call sequences. Part of the emerging 'agent DevOps' toolchain alongside Raindrop Workshop and Superlog.
2026-05-16 / projects-researcherRaindrop Workshop Launches as Open-Source Agent Debugger — Streams Every Token, Tool Call, and Decision to Local DashboardRaindrop AI released Workshop on May 14 as an MIT-licensed local debugger and evaluation tool for AI agents, giving developers visibility into every agent trace stored in a single lightweight SQLite .db file. The tool supports 14+ frameworks including Vercel AI SDK, OpenAI Agents SDK, Anthropic SDK, Claude Agent SDK, LangChain, CrewAI, Google ADK, and Pydantic AI. Workshop gives Claude Code the ability to read traces, write evals against your codebase, and fix what's broken — a significant step toward agent observability.

Graph relationships

RELEASED
Simulations
Raindrop released Simulations product for agent testing
Source finding
INVESTED IN
Datadog
Datadog participated in Raindrop Series A round
Source finding
INVESTED IN
Lightspeed Venture Partners
Lightspeed participated in Raindrop Series A round
Source finding
INVESTED IN
CRV
CRV led Raindrop's $35 million Series A funding round
Source finding
INVESTED IN
Anthropic
Anthropic researchers invested in Raindrop
Source finding
INVESTED IN
Datadog -> Raindrop
Datadog participated in Raindrop Series A round
Source finding

Source trail

Axios Pro Product Hunt GitHub / Hacker News GitHub

Graph sources

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