Developer Tools
AI tools for developer tools: Agents & frameworks, APIs, DevOps, Testing.
21119 tools, ranked by editorial picks and quality score. Unverified entries are labelled.
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817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 29 security domains ·
FreeCoding - 42
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and... Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 43
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and... Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 44
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual... Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 45
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual... Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 46
This model always redirects to the latest model in the Claude Fable family. Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 47
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s perfor Context: 200,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 48
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s perfor Context: 200,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 49
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer us Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 50
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer us Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 51
This model always redirects to the latest model in the Claude Haiku family. Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 52
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable ga Context: 200,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 53
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable ga Context: 200,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 54
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competit Context: 200,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 55
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competit Context: 200,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 56
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially eff Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 57
Opus 4.6 is Anthropic’s strongest model for coding and long-running professional tasks. It is built for agents that operate across entire workflows rather than single prompts, making it especially eff Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 58
Opus 4.7 is the next generation of Anthropic's Opus family, built for long-running, asynchronous agents. Building on the coding and agentic strengths of Opus 4.6, it delivers stronger performance on.. Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 59
Opus 4.7 is the next generation of Anthropic's Opus family, built for long-running, asynchronous agents. Building on the coding and agentic strengths of Opus 4.6, it delivers stronger performance on.. Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 60
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token... Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 61
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token... Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 62
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 63
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 64
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebas Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 65
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebas Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 66
This model always redirects to the latest model in the Claude Opus family. Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 67
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-ben Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 68
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-ben Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 69
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 70
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 71
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels ( Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 72
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels ( Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 73
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and produc Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 74
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and produc Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 75
This model always redirects to the latest model in the Claude Sonnet family. Context: 1,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs - 76
AnyCrawl 🚀: A Node.js/TypeScript crawler that turns websites into LLM-ready data and extracts structured SERP results from Google/Bing/Baidu/etc. Native multi-threading for bulk processing.
FreeDeveloper Tools - 77
The free AI already on your Mac. CLI tool, OpenAI-compatible server, and interactive chat — all on-device via Apple Intelligence. No API keys, no cloud, no downloads.
FreeDeveloper Tools - 78
Enterprise AI Platform with guardrails, MCP registry, gateway & orchestrator
FreeDeveloper Tools - 79
AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨
FreeDeveloper Tools - 80
The Auto Router automatically selects the best model for your prompt, powered by the wisdom of the market. It routes you based on what the OpenRouter community collectively spends on... Context: 2,000,000 tokens (OpenRouter, 2026-10-15).
PaidAI APIs & LLMs