The Index

Companies

773 dossiers · 353 need attention

Two things live here: the startups we work with, and the research index of every company we cover. See what we researched this week.

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The practice / 54 tracked

The startups we work with, not just cover

54 read daily14 sectors122 open roles across 14 companies

All 54 startups

01AtoaAgent paymentsUK pay-by-bank payments, with an MCP server and a spend-limit SDK for agents.Atoa publishes an MCP server and a spending-limit SDK that let an AI agent take UK bank payments, and both can be tried against a sandbox that moves no real money.
02NeverminedAgent paymentsLets agents pay per call within a spend limit, settled by card or stablecoin.Nevermined lets an AI agent pay for things within a spending limit a person sets, and its quickstart runs in a sandbox on test USDC, so the whole payment loop can be tried without real money.
03PaidAgent paymentsBilling for AI agents by usage or outcome, with the model cost behind each bill.Paid bills for what an AI agent does rather than per seat, shows the model cost behind each customer's bill, and has a free plan for up to $100k of billings a year.Seed
04PolarAgent paymentsOpen-source checkout and usage billing for AI products, with sales tax handled.Polar runs a separate sandbox with test cards and its own API, and publishes the code of its whole billing platform, so its usage-billing claims can be checked by hand.Seed
05RalioAgent paymentsSpend limits, payee checks and an audit log for AI agents that pay business bills.Ralio checks every payment an AI agent proposes against spend limits, a list of approved payees and a second model's reading of the original request, and stops the payment if any one check fails.Pre-Seed
06SolvaPayAgent paymentsPaywalls, checkout and usage billing so MCP servers and APIs can charge AI agents.SolvaPay puts a paywall and checkout in front of an MCP server or API and offers a free sandbox on Stripe test mode, so its billing can be tried end to end without real money.
07SolvimonAgent paymentsUsage and credit billing for AI companies, with a free sandbox and an MCP server.Solvimon offers a free sandbox with its own test API and publishes its pricing in a machine-readable file, so its usage billing for AI products can be tried end to end without a sales call.Seed
08AgentaAgent frameworksAn open-source workspace to build, version, evaluate and trace agents.The agent harness as a product — an open-source workspace that versions an agent's instructions, skills and tools like code and evaluates a change before it ships, which is the layer the whole "build your own system" argument runs through.

46 more on the roster

The research index / 773 dossiers

Every company we cover

Search a name or ticker, then sort and triage dossiers by coverage freshness, our conviction and trading relevance. The roster above is a subset of this list.

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