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Companies / Mesmer

Mesmer tech stack

mesmer.co

Mesmer maps a company's engineering work to identify its largest bottleneck and implements fixes directly in the codebase. It serves engineering teams.

Summarized from its homepage on 9 Nov 2026.

Classified asDeveloper toolsProductivity and collaboration

The Mesmer homepage

Vendors of Mesmer and the evidence for each

Mesmer declares 13 subprocessors, including AI providers Anthropic, LangChain, OpenAI.

VendorCategoryEvidenceLevel
VercelCloud and infrastructureConfirmed
Subprocessor listNamed as Vercel Inc. · Processes data for the company9 Nov 2026Source
Websiteheader: x-vercel-id: sfo1::tpnbz-1794263374044-9971a6ed206a9 Nov 2026Source
Companies using Vercel
Amazon Web ServicesCloud and infrastructureConfirmed
Subprocessor listNamed as Amazon Web Services, Inc. · Processes data for the company9 Nov 2026Source
Companies using Amazon Web Services
AnthropicAI and LLM providersConfirmed
Subprocessor listNamed as Anthropic, PBC · Processes data for the company9 Nov 2026Source
Companies using Anthropic
ClickHouseDataConfirmed
Subprocessor listNamed as ClickHouse, Inc. · Processes data for the company9 Nov 2026Source
Companies using ClickHouse
Dash0ObservabilityConfirmed
Subprocessor listNamed as Dash0 Inc. · Processes data for the company9 Nov 2026Source
Companies using Dash0
Google CloudCloud and infrastructureConfirmed
Subprocessor listNamed as Google Cloud Platform · Processes data for the company9 Nov 2026Source
Companies using Google Cloud
LangChainAI and LLM providersConfirmed
Subprocessor listNamed as LangChain, Inc. (LangSmith) · Processes data for the company9 Nov 2026Source
Companies using LangChain
Microsoft AzureCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company9 Nov 2026Source
Companies using Microsoft Azure
OpenAIAI and LLM providersConfirmed
Subprocessor listProcesses data for the company9 Nov 2026Source
Companies using OpenAI
PostHogAnalyticsConfirmed
Subprocessor listNamed as PostHog, Inc. · Processes data for the company9 Nov 2026Source
Companies using PostHog

7 more vendors

See Mesmer's full stack and the source for every claim.

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Questions about Mesmer

Does Mesmer use Anthropic?Does Mesmer use LangChain?Does Mesmer use OpenAI?

Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.

See Mesmer's full stack

Every vendor with its source and date, and an alert when Mesmer adds or drops one. The same lookup works for any company.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
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