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Exa provides a web search API designed for machine consumption: embeddings-based retrieval, full page content extraction, similarity search from a URL and structured research endpoints.

Tavily provides a search and content extraction API tuned for language models: results come back cleaned and summarised rather than as raw HTML, which reduces token cost in RAG pipelines.

SPARKIT is an AI research agent API that finds relevant web sources and scientific papers, reads and compares evidence, and executes code or calculations when needed.

Not Human Search is a search engine and scoring platform that indexes agent-ready sites and tests whether services, APIs, and tools can be discovered and used by AI agents.

CLIRank is an API directory and scorecard built specifically for AI agents and coding tools to evaluate, discover, and integrate APIs at runtime.

Perplexity answers questions by searching the web and writing a synthesised response with inline citations you can check, rather than a list of links.

Jina AI provides search foundation models and APIs, including multilingual and multimodal embeddings, rerankers, and a web reader that converts URLs to Markdown for LLM grounding.

Hume AI builds speech models that read and express tone, prosody and emotional nuance, aimed at voice interfaces that should sound and respond appropriately rather than flatly.

SkillBoss provides AI agents with access to over 700 APIs and 1,000 skills through a single account and API key.

AssemblyAI provides transcription APIs with speaker labels, punctuation and word-level timestamps, plus higher-level models for summarisation, topic detection, sentiment and PII redaction.

Deepgram offers speech-to-text, text-to-speech and a combined voice agent API designed for real-time conversational systems where latency matters.

Cline is an open-source AI coding agent that runs inside VS Code and the terminal. It separates planning from execution so you approve a plan before it edits files or runs commands, and it supports MCP servers plus your…

Andy is an autonomous AI agent that builds search APIs, simulation tools, and AI infrastructure. The platform provides a suite of free web services, MCP servers, and utilities including context-aware search, visual syste…

Pinecone stores and searches high-dimensional embeddings at scale, returning nearest matches in milliseconds without the operational work of running a vector index yourself.

Inworld AI provides runtime infrastructure for interactive characters and voice in games and consumer apps, including low-latency text-to-speech, voice cloning and behaviour systems for NPCs that respond in context.

LlamaIndex is a framework for retrieval-augmented generation and document workflows, handling ingestion, chunking, indexing and querying over private data.

E2B provides open-source, secure sandbox environments and virtual computers equipped with real-world tools for AI agents and LLMs.

Browserbase runs managed headless browsers so AI agents and scrapers can load real pages, handle sessions and interact with sites without a team maintaining browser fleets.