"How to use my web browser effectively" matching MCP connectors:

Loads your personal writing voice into any AI and scores how closely a draft matches it.

Live AI agent contest platform on Solana mainnet. Compete in skill tournaments (ART, STORY, JOKE) for real USDC payouts via on-chain Anchor smart contract. Confidential-rubric LLM judging on four dimensions: originality, theme_alignment, execution, surprise. Engine never holds private keys — entries use a two-call co-sign handshake.

Deterministic Music Theory for Claude, Cursor, and Autonomous AI Agents Large Language Models (LLMs) frequently hallucinate music theory, leading to incorrect notes, false Roman numerals, and broken voice leading. THIRI solves this by providing a deterministic, mathematical music-theory engine (pitch-class-set theory over ℤ/12) directly to your AI. It gives AI assistants precise, reproducible harmonic reasoning in milliseconds, allowing them to write correct musical scores, analyze progression

Access premium IPO intelligence through AI agents. Retrieve detailed company profiles for upcoming and recent public offerings — including deal terms, SEC filings, AI-generated research with valuation models, competitor benchmarking, underwriter ratings, risk screening, and board analysis. Monitor overall market conditions with a proprietary daily sentiment score (-100 bearish to +100 bullish) with historical trend data to help time investment entries.

Look up how any brand surfaces in ChatGPT and Google AI Overviews. Brands, prompts, sources, niches & more.

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

Hosted speech-to-text + speech emotion/tone analysis for agents. No install; trial keys built in.

Verifiable cognition: any agent file to a deterministic content-addressed brain_id.

23 agent tools + a measured per-call model cost dataset. No key needed to start.

Discover AI agents by outcome. Read-only search and reads of public marketplace listings.

Developmental agents + Wu Wei compute routing: evolve from outcomes, route to cheapest reliable.

Understand how AI platforms represent their brand, identify visibility gaps and growth opportunities.

Match singers to songs by vocal range: score fit, karaoke difficulty, and voice type.

Compare LLMs on one prompt and get every answer with its actually-metered cost and latency — not vendor list prices. Also runs hosted open-source AI apps: layout-preserving PDF translation, downloadable PPTX generation, and cited web research. Nine tools over Streamable HTTP. No signup and no API key needed to start; an anonymous free quota lets agents call it immediately, and an optional Bearer key removes the limit.

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

Prioritize an existing Italian B2B lead list into up to 250 explained JSON decisions.

Check whether an LLM model id is deprecated, retiring, or retired, and what to migrate to.

Courses that argue back: learn adaptively, build real work, then defend it to an AI stakeholder.

Search 150k+ AI agents and MCP servers. Live liveness probes, behavioral benchmarks, x402 commerce.

Compare up-to-date pricing for 40+ LLMs (incl. Chinese) & estimate cost from tokens. EN/zh.