AI agent platforms with an API

Figure and bar: visits/mo, estimate · year: online since

1. #4M

   Manus

   Runs a general-purpose agent on a cloud computer that browses the web, writes code and files, and completes multi-step tasks from one request.

   206k
   Active
   2025
2. #11P

   Pickaxe

   Builds branded chatbots and agents on language models without code, with memberships and payments for selling access to them.

   26.7k
   Active
   From $37/mo
3. #16B

   BrowserlessMCP · sign-in

   Hosts managed headless Chrome browsers that scripts and AI agents drive over Puppeteer or Playwright connections, with stealth, proxies and captcha handling.

   13.9k
   Active
   From $25/mo
4. #17Y

   You.com

   Returns live web search results and cleaned page content through APIs that AI agents and LLM apps call for grounding.

   13.6k
   Active
   2020
5. #18F

   Flowrite Shared Inbox

   Builds embedded AI agents that reason over complex data schemas and execute validated actions within applications.

   12.5k
   Maintained
   2020
6. #20F

   Fast.ioMCP · sign-in

   Stores files for AI agents with metadata indexing and retrieval to reduce API calls and costs.

   10.9k
   Active
   From $29/mo
7. #22H

   Handinger

   Builds AI agents that automate web tasks like searching, reading, clicking, and emailing without coding.

   9.6k
   Active
   From ≈ $11/mo
8. #24L

   LiveAvatar by HeyGen

   Streams lifelike 1080p avatars via API with unlimited concurrent sessions at scale.

   8.1k
   Active
   From $19/mo
9. #28C

   Contextual AI

   Builds AI agents that search and reason over technical documentation and enterprise data to automate complex tasks.

   5.1k
   Maintained
   From $3 per use
10. #29S

    Smithery

    Connects AI agents to thousands of tools and services with managed authentication and sessions.

    4.5k
    Active
    From $10/mo
11. #36O

    OrqMCP · sign-in

    Routes every LLM and tool call through one gateway, applying budget caps, PII redaction, fallbacks and audit trails across 500 models.

    3.1k
    Active
    From ≈ $39/user/mo
    2023
12. #38E

    Ellipsis

    Runs cloud agents defined in YAML with isolated environments, permissions controls, and full logging.

    2.6k
    Active
    Free plan
    2023
13. #47C

    CiteHawkMCP · sign-in

    Tracks how ChatGPT, Claude, Perplexity and other AI engines recommend and cite your brand, storing each answer verbatim.

    1.1k
    Active
    From $99/mo
14. #48C

    CMEM Cloud

    Stores and syncs agent observations and decisions across tools via a private MCP endpoint with vector search recall.

    953
    Active
    From $30/mo
15. #54A

    Atomic Bot

    Runs AI agents in the cloud continuously, handling tasks across email, calendar, code, and messaging apps.

    824
    Active
    From $19/mo
16. #65R

    Robotomail

    Provides real email addresses and mailboxes for AI agents to send and receive messages via API.

    464
    Active
    From $19/mo
17. #71U

    uxspot MCP Server

    Provides UX reference materials and accessibility checks to AI assistants via Model Context Protocol integration.

    329
    Active
    Free
    2021
18. #73W

    Wajo

    Autonomous agent that handles real-world tasks like scheduling, booking, calling, and purchasing on your behalf.

    327
    Active
    From $99/mo
19. #74W

    Whizi

    Accesses multiple AI models including GPT, Claude, and Gemini in one interface with unified billing.

    326
    Active
    From $15.99/mo
20. #75O

    OpenMailMCP · sign-in

    Gives each AI agent its own address and reads inbound mail over webhook or websocket, parsing attachments to plain text.

    321
    Active
    From ≈ $10/mo
    2026
21. #76O

    Open Agent Skill

    Registry that helps AI agents discover, compare, and install reusable skills with trust signals and install commands.

    305
    Active
    2026
22. #78A

    AnySearch

    Provides structured search results for AI agents with intent routing and multi-domain data access.

    251
    Active
    Free plan
23. #80M

    MaximemMCP · open

    Provides persistent structured memory and context management for AI agents to reduce token costs and improve accuracy over long conversations.

    236
    Active
    From $19/mo
    2025
24. #85R

    ReduckMCP · sign-in

    Lets an agent write reusable browser routines, executes them in your Chrome or a cloud browser, and serves each as an HTTP endpoint.

    179
    Active
    From $20/mo
25. #90H

    HiLink Virtual Classroom

    Provides real-time collaboration, streaming, and AI agents that transform live sessions into structured outputs for education, healthcare, and enterprise.

    130
26. #93A

    aiXplain Studio

    Platform to build, orchestrate, and govern autonomous agents with runtime governance and observability.

    119
    Active
    From $75/user/mo
27. #94N

    NudgeHostMCP · sign-in

    Hosts uploaded files and zipped sites at public links, and lets agents publish them through one API call.

    114
    Active
    From $12/mo
28. #96M

    Maha StrategiesMCP · open

    Governs AI agent tool calls with inherited policy, approvals and replay-safe recovery, and compiles sourced context with evidence trails.

    110
    Active
    From $49 once
29. #97A

    AI Email API & Infrastructure for AI AgentsMCP · sign-in

    Gives an agent its own email address, sending and receiving mail through an API, with replies scored for prompt injection.

    105
    Active
    From $20/mo
30. #101A

    AudioscrapeMCP · sign-in

    Transcribes uploaded and public audio into speaker-attributed, timestamped segments that agents search and cite over REST or MCP.

    88
    Maintained
    From $35/mo
31. #105A

    Agent-native cloudMCP · open

    Lets an agent provision, scale and repair VMs, private networks and managed databases on its own European infrastructure through an MCP server.

    75
    Active
    From ≈ $11/mo
32. #113A

    AgentKey

    Provides agents with unified access to search, social media, financial, and e-commerce data through a single API key.

    54
    Active
    From $9.90/mo
33. #114J

    JustSimpleChat

    Access 410 AI models from 9 providers through one chat interface with automatic routing and side-by-side comparison.

    53
    Active
    From $7.99/mo
34. #127S

    Superglue AI

    Deploys AI agents to implement and migrate enterprise systems like ERP and CRM platforms.

    34
    Active
    2024
35. #128S

    Seclai

    Runs LLM agents as workflows that chain model calls, screen inputs and outputs, retry bad output, and log per-step traces and costs.

    33
    Active
    From $15/mo
36. #131G

    Golem Workers

    Hosts and manages AI agents on dedicated cloud servers with browser automation, file access, and terminal control.

    30
    Active
37. #144L

    Loam

    Stores business data files and lets Claude query them with grounded answers from real rows.

    20
    Active
    From $39/mo
38. #147N

    Navige

    Sits between AI agents and model providers, caching, trimming and routing their calls to cut programmatic model spend.

    17
    From $9/mo
39. #148C

    ChatyfAI

    Unified platform accessing multiple AI models with chat, image generation, video generation, and OpenAI-compatible API.

    17
    Active
    From ≈ $10/mo
40. #151M

    MCP360

    Unified gateway connecting AI agents to 100 production-ready tools via Model Context Protocol.

    16
    Active
    From $16/user/mo
41. #154K

    Keystroke

    Builds internal agents and AI systems with memory, integrations, and workflow automation.

    15
    Active
    From $20/mo
42. #155C

    ClawHost.chat

    Hosts autonomous AI agents online 24/7 with included frontier language models and multi-channel connectivity.

    15
    Active
    From $2.99/mo
43. #157Z

    Zinley

    Autonomous agent that handles emails, calls, and follow-ups on your behalf within rules you set.

    15
    Active
    From $20/mo
44. #161P

    PromptOTMCP · sign-in

    Manages, versions, and delivers production prompts via API or MCP without code changes.

    14
    Active
    From $29/mo
45. #163M

    mcpemailsMCP · sign-in

    Gives AI agents live read, search and send access to Gmail, Outlook and IMAP mailboxes through an MCP endpoint.

    14
    Active
    From $7.20/mo
46. #165V

    VerifiMCP · open

    Routes an AI agent's question, claim or draft to a human reviewer who accepts, rejects or rewrites it, returning a verdict via callback.

    14
    From ≈ $0.11 per use
47. #166A

    AgentPMTMCP · sign-in

    Builds agents and repeatable workflows that chain model calls with external tools, run on schedules, and log every tool call.

    14
    Active
    From $0.01 per use
48. #169S

    Sparks AI

    Creates and manages teams of AI agents that can access external apps and run tasks autonomously.

    12
    Active
    From $10/mo