No moat. Still in business.

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Gives AI agents their own email address through an API or MCP server so they can send, read and reply to mail.

Free plan · Transactional email · Developers

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Secrets manager that lets dev teams and AI agents store, sync and deploy app keys and env variables across environments.

Security and passwords · Developers

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Lets AI assistants like Claude, Codex or ChatGPT run shell commands and background jobs on machines you own, with no inbound ports opened.

Free plan · Developer tools · Developers

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Crawls a website and gives AI agents an MCP endpoint, llms.txt and cited answers, plus stats on agent visits.

Free plan · SEO

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An API that lets AI agents search the web and licensed data sources and get cited answers and charts back.

Since 2025

Developer tools · Developers

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Replaces private data with tokens that can be restored while AI agents run, so outside models never see it, and keeps a signed record.

Security and passwords · Agencies

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Shared docs workspace where people and AI agents write together, with branches and reviewable edits.

Free plan · Notes and knowledge · Developers

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An API and MCP server with hundreds of exact math, text and conversion tools so AI agents stop guessing.

Free plan · Developer tools · Developers

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Gives AI agents a US or Canadian phone number for calls and SMS, usable over MCP, REST or an agent skill.

Free plan · Developer tools · Developers

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Authorization service that lets engineering teams define access policies in one place and check permissions for users and AI agents.

Security and passwords · Developers

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A catalogue of ready APIs for public websites, plus a builder to make your own, for AI agents and apps.

Free plan · Developer tools · Developers

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Runs your app and tries to break each change your coding agent makes, then reports bugs with proof before release.

Developer tools · Developers

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Gives AI coding agents and developers isolated full-stack environments on your own Kubernetes setup to test code against real services.

Since 2025

Free plan · Developer tools · Developers

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Describe a sales or ops workflow in plain words and it builds an agent that runs it across your apps, with test runs first.

Since 2026

Free plan · Automation and integrations

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Hosted service that runs your MCP servers behind a single URL, holds credentials and logs each tool call per client.

Since 2023

Free plan · Developer tools · Developers

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Traces AI agent runs in production, flags silent failures and lets teams test changes in simulation before release.

Since 2025

Free plan · Uptime and monitoring · Developers

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Live shared boards where a team works alongside coding agents like Claude Code and Codex, and trains reusable AI teammates.

Since 2025

Developer tools · Developers

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Puts apps built with AI coding agents online with a sign-in, database and backups, so teams can share and use them.

Free plan · Developer tools · Developers

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AI agents use your live web app like a real user, following set flows or exploring, and email you when something breaks.

Free plan · Uptime and monitoring · Developers

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Holds risky actions from unattended AI coding agents until someone approves them from a dashboard or phone, and logs each decision.

Free trial · Security and passwords · Developers

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Saves every prompt, session and tool call from your coding agents in one place so teams can search and share them.

Developer tools · Developers

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Lets teams building AI agents store user cards or issue cards so their agents can pay for things online.

Payments and checkout · Developers

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Shared Markdown notes and docs that a team and its AI agents can write and edit together in real time.

Free plan · Notes and knowledge · Developers

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Checks each tool call from AI coding agents against your rules and blocks or rewrites risky ones before they run.

Subscription · Security and passwords · Developers

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Web search API with its own crawler and index, priced per thousand queries, for AI labs and agent builders.

Since 2026

Pay as you go · Developer tools · Developers

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A proxy that watches AI agent calls, spots runaway loops and blocks requests once a spending limit is hit.

Free plan · Uptime and monitoring · Developers

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Gives each AI agent a real email address, and soon a phone number, so it can read mail, reply and use login codes.

Free plan · Developer tools · Developers

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Builds and runs automated tests for Salesforce and other enterprise web apps from plain language, with no code.

Since 2024

Free trial · Developer tools · Software companies

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Run GPU jobs from a CLI or an AI agent on several cloud providers, paying provider cost plus a small fee.

Pay as you go · Developer tools · Developers

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Pools GPUs and CPUs from many cloud providers and your own servers so developers can run large data jobs in one place.

Developer tools · Developers

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For founders: spots Reddit posts asking for a product like yours, writes reply drafts for approval, and tracks the traffic they bring.

Subscription · Marketing and social · Software companies

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Gives each pull request a throwaway copy of production with masked data so teams and agents can test migrations and load first.

Developer tools · Developers

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Write and version AI prompts, chain them into workflows and agents, test them on datasets and run them through an API.

Free plan · Developer tools · Developers

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An API and MCP tool that turns Markdown or HTML into clean PDF files for developers and AI agents.

Free plan · Documents and e-signature · Developers

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A proxy that gives AI agents a limited Postgres login with read-only rules, PII masking, query budgets and an audit log.

Free trial · Security and passwords · Developers

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Checks and approves each command AI agents run on production servers and keeps an audit trail, for engineering teams.

Security and passwords · Developers

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Rents short-lived cloud Macs with Xcode to AI coding agents so developers can build and ship iOS apps without owning a Mac.

Pay as you go · Developer tools · Developers

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Open-source project boards where AI agents plan sprints and take on tasks next to human teammates.

Free · Projects and tasks · Developers

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Create AI agents from a system prompt, test them with simulated users, then publish a chat app or API without a backend.

Developer tools · Developers

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Watches what AI agents do on company laptops and servers and blocks risky actions using rules you set.

Since 2026

Security and passwords · Developers

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Publish Markdown or HTML documents and collect versioned comments from colleagues and AI agents before signing them off.

Documents and e-signature · Developers

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Local open source check that tests pull requests written by AI agents and flags removed tests, relaxed CI and faked results.

Free plan · Developer tools · Developers

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Hosting that runs your apps from a git push or an AI agent request, with managed Postgres, Redis, domains and logs.

Since 2026

Free trial · Developer tools · Developers

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Cloud browsers, logins and functions that let developers have AI agents carry out tasks on websites.

Since 2026

Free plan · Developer tools · Developers

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A hosted graph backend that AI coding agents can query with typed JSON instead of SQL, reachable over MCP.

Since 2026

Free plan · Developer tools · Developers

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An email API that developers use to receive mail on their own domain as JSON, route it and reply in the same thread.

Subscription · Transactional email · Developers

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An API that sets up an AI agent with its own email inbox, secret vault, calendar, signed identity and USDC wallet.

Developer tools · Developers

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Open-source gateway that tracks spend, sets budgets and requires approvals for AI coding agents and their tool calls.

Free · Security and passwords · Developers