Flex runs an internal Slack agent that support, operations, and engineering use to debug HSA and FSA payment problems. Given an email, order number, or error string, it traces the transaction across…
Automate an operations workflow
These records have the Ops or Finance ops work-domain tag. Compare which steps use a model, which steps use ordinary code, and where a person approves an action.
Agents
Salesforce was 'customer zero' for the rebuilt Slackbot; an employee agent that finds company context, drafts work, and connects Slack context with Salesforce data; now also an external product.
Brex uses an agent to personalize delinquent-account outreach and help its servicing team respond to customers.
Brex’s Payment Operations team built an agent to prepare reasoned card-dispute submissions.
Brex’s onboarding system verifies applicants and synthesizes KYC and underwriting evidence into decisions for its operations team.
Deel runs a four-stage pipeline that triages failed US PEO payroll syncs without an engineer starting it. The pipeline detects and batches failures, retries them, investigates the rest with parallel…
A general-purpose 'AI colleague' spanning sales, finance, client ops, engineering, and recruitment, later split into a reusable toolkit plus Slack and desktop surfaces.
An agent system built around OpenAI's internal Codex. A person defines the task; coding agents implement it and respond to CI results; specialist agents review changes under risk-based routing. A…
Plaid's internal agent for bank-integration reliability. Fix My Connection proactively detects bank-integration access issues and automatically repairs them. Plaid reports more than 2 million…
YC’s internal agent helps employees answer questions and carry out operational work using shared company tools.
Infrastructure
Brex built a Retool-based platform where operations staff build, test and deploy agents for KYC, disputes, quality assurance and collections. Its systems engineering team maintains the builder; human…
Custom Agents is Notion's platform for building agents in a Notion workspace, and Notion ships it internally first. Staff in IT ticketing, supply chain procurement, and recruiting build their own…
Y Combinator built its own agent harness and infrastructure, led by partner Pete Koomen. It is an agent loop over a shared tool registry, now over 350 tools, including one that runs read-only SQL…
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