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The datasheet for every AI agent

Agents·Index · Curated

Collections

Curated agents, grouped around a useful requirement. Each collection explains what earns a place.

14 collections

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Every collection

  • AI Agent Tools With a Free Tier

    55 of the 126 tools in our index offer a genuine, ongoing free tier — not a time-limited trial or a one-off credit grant — so you can build or test before paying. Developer tools lead by a wide margin; not one of our 13 support-agent listings has one.

  • AI Agent Tools With a No-Code Builder

    A curated set of 22 AI agent tools whose listings document a visual, drag-and-drop, node-based, or plain-English path to building an agent without writing code. It includes code-first frameworks with optional studios, prompt-to-app coding agents, voice and support platforms, and visual workflow builders. The set keeps the important distinction between a builder and a product that only accepts a task prompt.

  • AI Agent Tools With Documented Enterprise Security Controls

    49 of the 126 tools in our index name a specific enterprise security or deployment control — SSO/SAML, a named compliance certification, RBAC, audit logging, or VPC/on-prem deployment — in their own pricing or feature docs. Voice agents clear the bar at 10 of 20 and agent frameworks at 7 of 16, the frameworks only through an enterprise tier or deployment mode layered on top of an otherwise open core.

  • AI Agent Tools With MCP Support

    61 of the 126 tools in our index document real support for the Model Context Protocol (MCP) today: as a client, a server, or both. Frameworks and coding agents are the densest slices; sales and marketing agents the thinnest.

  • AI Agent Tools With Multi-Agent Support

    24 of the 126 tools in our index document a real multi-agent capability — but read the sourced facts behind the tag and it hides five structurally different things: composable orchestration frameworks you design yourself, no-code team builders, vendor-built agent teams, a single task fanned out across parallel agent copies, and live voice handoff mid-call.

  • AI Agent Tools With Open-Weight Model Support

    24 of the 126 tools in our index document real support for at least one open-weight or locally-run model (Llama, Mistral, DeepSeek, Qwen and others, typically via Ollama, LM Studio or a LiteLLM-style router) alongside the closed frontier APIs: a real answer to the single-vendor lock-in question, spanning frameworks, coding agents, agent platforms, voice agents and research agents.

  • AI Agent Tools With Subscription Pricing

    17 of the 126 AI agent tools in our index price their product on a flat per-seat subscription — a published monthly or annual rate, no metered usage component, no sales call required to sign up.

  • AI Agent Tools With Usage-Based Pricing

    22 of the 126 tools in our index bill by usage rather than a flat seat or subscription fee — per minute, per resolution, per token, or per dollar of compute. For 4 of them, the rate you would actually pay per unit is never published: it is set in a sales call.

  • AI Agent Tools You Can Self-Host

    38 of the 126 tools in our index can run somewhere you control. This is a deployment question, not a license one: the list mixes MIT- and Apache-2.0-licensed frameworks with no managed cloud at all, open cores paired with optional paid hosted layers, fair-code and source-available builds, and a handful of closed-source products that still ship a real private-deployment path.

  • Autonomous AI Coding Agents

    16 of the 126 AI coding agents in our index plan and execute a coding task end-to-end without a human driving each step — verified against the listed facts of each tool's own Published listing, not the autonomous tag alone.

  • Model-Agnostic AI Agent Tools

    AI agent tools whose own product documentation supports multiple model providers or a bring-your-own-key layer, so the underlying LLM can be swapped without rebuilding the agent.

  • Open-Source AI Agent Frameworks

    Open-source frameworks for building AI agents on code you can read, fork and self-host: from the largest ecosystems to the newest TypeScript-native entrant.

  • Open Source AI Agent Tools

    The 26 tools in our index with a clean, unrestricted OSI-style license (MIT, Apache-2.0, GPL-3.0-or-later or AGPLv3) — free to fork, self-host and run forever, no source-available caveats and no proprietary layer gating the part you would actually run.

  • Voice Agent APIs for Developers

    The 9 voice agent platforms in our index that publish a developer-facing API for embedding voice into a third-party product.

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