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AI · alternatives · 2026

24 alternatives to KeyRunner 2.0

Build APIs and turn them into AI tools to run them securely

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Unified DevOps platform to build AI applications

    2024 · respan.ai · its alternatives →

  2. 2
    Apidog▲570

    Development teams often struggle with using multiple tools like Postman and Swagger for API design, development, and testing. This fragmented approach leads to outdated API specs and chaotic collaboration. So we built Apidog: a single, unified API platform for team collaboration. It has a beautiful interface that makes it easy to create API spec, generate request data from API spec, validate responses, create mock data, orchestrate test scenarios, and publish API documentation. Apidog = Postman + Swagger + Mock + JMeter.

    2024 · apidog.com · its alternatives →

  3. 3
    Keystroke▲154

    Build powerful AI agents & workflows

    Aug 2026 · keystroke.ai · its alternatives →

  4. 4
    APIPark▲719

    Your open source AI gateway & API developer portal

    2024 · apipark.com · its alternatives →

  5. 5

    Hi HN — I’m a heavy OpenClaw user and, like many others, I’ve been thinking about how to give these new “unleashed” agents secure access to my accounts. Agents need API access to be useful. But API keys are long-lived secrets. And agents are not secure environments. So I built something for myself that quickly turned into a product: keychains.dev. The idea is simple: agents never see raw credentials. With Keychains.dev: • Agents make API calls via a drop-in replacement for curl or JavaScript’s fetch() • They use template variable names instead of embedding credentials • The request is…

    Feb 2026 · keychains.dev · its alternatives →

  6. 6

    Turn any API into an MCP server for AI agents

    Jun 2026 · apitomcp.ai · its alternatives →

  7. 7
    KeyRunner▲104

    The zero trust API client

    2024 · keyrunner.app · its alternatives →

  8. 8
    Rerun▲301

    The easiest way to build AI agents for all your tasks

    Jul 2026 · rerun.build · its alternatives →

  9. 9

    Open-source, secure environment with real-world tools for enterprise-grade agents. - e2b-dev/E2B

    2023 · github.com · its alternatives →

  10. 10

    5000+ MCP servers AI tools, 1 line of code

    2025 · toolsdk.ai · its alternatives →

  11. 11
    Keygen▲252

    A dead-simple software licensing API built for developers

    2016 · keygen.sh · its alternatives →

  12. 12

    I'm Mike, Head of Eng/Product at Alloy Automation. We built MCP by Alloy Automation to give your AI agents structured access to business-critical systems without the integration headache. We've built MCP servers covering thousands of tools across platforms like Quickbooks, Xero, Notion, HubSpot, and Salesforce. Pick the tools you need, provision a server, and ship faster. Need more control? Our Connectivity API gives you programmatic access to all the same tools for custom integrations beyond MCP. Everything runs with scoped auth utilizing our battle-tested credential management system…

    2025 · ai.runalloy.com · its alternatives →

  13. 13

    Instantly create & deploy MCP servers from any API spec

    2025 · mcp.ag2.ai · its alternatives →

  14. 14
    Rebolt▲110

    Build AI-powered apps and agents, by speaking with AI

    2025 · rebolt.ai · its alternatives →

  15. 15

    We built API Radar to track exposed API keys from OpenAI, Claude, Gemini, and other major providers—in real time—from public GitHub repositories. Why? Leaked AI keys are everywhere. They power bots, cost companies thousands, and even expose user data. But no one had a clean dashboard to see the leaks as they happen — until now. What you’ll find: Full redacted + raw API key leaks Real-time feed of exposed repos Leaderboards by author, repo, and provider Filtering by provider (OpenAI, Claude, Gemini, etc.) Timeline of key exposure trends Built for security researchers, devs, and AI companies…

    Jan 2026 · apiradar.live · its alternatives →

  16. 16

    Deploy any Agent Skill as an API via POST /run. The open-source multi-model alternative to Claude Managed Agents, Microsoft Foundry & Mistral/Koyeb — works with any LLM. - skrun-dev/skrun

    Apr 2026 · github.com · its alternatives →

  17. 17

    api2ai parses OpenAPI Spec to generate an agent that can make API calls. For context, I recently need to explore a handful of API suites and thought LLMs can help expedite this process. After some digging, I found OpenAPI Specs are perfect fit for function calling. Based on a text prompt, api2ai can select the right endpoint and properly parse request params and make api calls. It also handles authentication, currently it supports basic auth, api keys, and bearer token schemes. The tool has helped me explore and see APIs in action without a deep dive into the docs or using postman. It’s open…

    2023 · github.com · its alternatives →

  18. 18

    Web-scale and security-hardened API key server for users, services, machine to machine, and AI agents. Token derivation brings fine-grained capability tokens to avoid common API key pitfalls. Apache2 open source for indie deployments, commercial for scalable and HA. - ory/talos

    Jun 2026 · github.com · its alternatives →

  19. 19

    Dedicated infrastructure for AI agent fleets — email, phone, web search, file storage, page hosting, 2FA, cron, and encrypted vault on domains reserved exclusively for your project. Access by arrangement.

    Mar 2026 · keyid.ai · its alternatives →

  20. 20

    Now that AI is capable of writing large volumes of production-quality code, our role as developers is changing. Our primary job is no longer writing code. It’s planning and communicating software design and architecture. We have to do this collaboratively with agents and then review and iterate on their implementations. IDEs were not built for this workflow. So about three months ago I decided to try to build what I thought this new interface should look like. Runner is a coding agent purpose-built for this new “plan and review” workflow. It’s not for vibe coding. It’s for professional…

    2025 · runnercode.com · its alternatives →

  21. 21

    over this weekend myself and two of my friends took part in a hackathon and built this side-project. we have been diving into computer-use recently and developed an sdk to make it easy to implement for devs like us. one feature we were missing though, was the agent being able to log into services. anthropic understandably blocks this capability with their guardrails, and you wouldn't want your credentials to end up in any model context anyways. so we added a keychain service to the vm that the agent is using. it was built using the pass cli (https://www.passwordstore.org/).…

    2025 · github.com · its alternatives →

  22. 22

    We build runtime security for AI agents. The playground started as an internal tool that we used to test our own guardrails. But we kept finding the same types of vulnerabilities because we think about attacks a certain way. At some point you need people who don't think like you. So we open-sourced it. Each challenge is a live agent with real tools and a published system prompt. Whenever a challenge is over, the full winning conversation transcript and guardrail logs get documented publicly. Building the general-purpose agent itself was probably the most fun part. Getting it to reliably use…

    Mar 2026 · github.com · its alternatives →

  23. 23

    Convert Postman APIs into type-safe AI tools seamlessly

    2025 · github.com · its alternatives →

  24. 24

    Most of the MCP servers that I’ve seen are tools implemented in standalone projects. To onboard more tools (especially agents and multi-agent workflows) to MCP, I’ve been thinking it’s important to allow AI engineers to continue to prototype in their existing agent frameworks and deploy with minimal conversion when ready. We created the automcp library, which you can add as a dependency to existing projects (CrewAI, LangGraph, Llama Index, OpenAI Agents SDK, Pydantic AI, mcp-agent currently supported but more coming soon). You just need to run a CLI command to create a run_mcp.py file, make…

    2025 · github.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →