πŸ› οΈ The Most Useful Site in the World
πŸ€– AI & Autonomous Agents Β· 19 Free Tools

πŸ€– AI & Autonomous Agents Tools

Interactive prompt engineering sandboxes, agent pattern simulators, RAG calculators, and large language model token budgeters. 100% private in-browser AI experimentation.

All 19 AI & Autonomous Agents Calculators & Utilities

🧠 Advanced RAG Playground β€” BM25 + Embeddings + Re-ranking

Launcher for the standalone AI: hybrid retrieval over documents you paste in β€” BM25, hashed dense vectors, HyDE, reciprocal rank fusion and MMR β€” with per-pass scores and a trace.

#advanced#rag#playground
Open Tool β†’

πŸ€– AI Agent Orchestrator β€” Multi-Agent ReAct & Tool-Use

Launcher for the standalone AI: a planner, retriever, reasoner, actor and verifier pipeline that really executes local tools, then reviews the answer constitutionally. In-browser, no key.

#agent#orchestrator#multi-agent
Open Tool β†’

πŸ”„ AI Agent ReAct Loop Studio

Launcher for the standalone AI: the ReAct loop β€” thought, action, observation β€” with real tool calls and a stop condition you can watch. Also runs inside the agent pipeline. In-browser.

#agent#react#loop
Open Tool β†’

🧠 AI Chain-of-Thought Parser

Launcher for the standalone AI: chain-of-thought reasoning as numbered steps with a visible trace, plus chain-of-verification and self-consistency on the same question. In-browser, no key.

#chain#thought#scratchpad
Open Tool β†’

πŸ“Š AI Context Window Budget Lab

Launcher for the standalone AI: budget a context window across system prompt, retrieved chunks, history and reserved output, with warnings and a suggested chunk count. In-browser, instant.

#context#window#budget
Open Tool β†’

⚑ AI Few-Shot Prompt Builder

Launcher for the standalone AI: build few-shot prompts in XML, JSON, markdown or chat-message framing, with a token estimate and guidance on how many exemplars you need. In-browser.

#few#shot#prompt
Open Tool β†’

πŸ€– AI Function Calling Validator

Launcher for the standalone AI: validate function/tool declarations in OpenAI, Anthropic and Gemini shapes, get errors and warnings, and copy a normalised version for each provider. In-browser.

#function#call#schema
Open Tool β†’

πŸ•ΈοΈ Graph-of-Thought Lab β€” Aggregation, Transformation, GoT Reasoning (Besta 2023/2024)

Launcher for the standalone AI: thoughts as a graph β€” merge, refine and loop back over candidate ideas with per-node scoring, instead of one linear chain. Runs in your browser.

#graph#thought#lab
Open Tool β†’

πŸ” AI Hallucination & Fact Check

Launcher for the standalone AI: extract claims from an answer, check each against your indexed documents, and read coverage, verdict counts and token entropy as hallucination risk. In-browser.

#hallucination#entropy#gauge
Open Tool β†’

πŸ”Œ AI MCP Tool Protocol Inspector

Launcher for the standalone AI: a mock MCP server in the page β€” initialize, ping, tools/list, tools/call, resources/list, prompts/list β€” with request checks and compliance report. In-browser.

#mcp#protocol#tester
Open Tool β†’

🧠 Browser Vector Memory β€” IndexedDB + Semantic Search

Launcher for the standalone AI: vector memory in IndexedDB scored like Generative Agents β€” relevance, importance and recency β€” with tiers, reflections, consolidation and import/export.

#memory#vector#store
Open Tool β†’

πŸ’° AI Model Cost & Speed Matrix

Launcher for the standalone AI: compare models on cost per request, per day and per period with prompt-caching discounts, tokens/sec and modelled latency. Your numbers, nothing fetched.

#model#cost#latency
Open Tool β†’

πŸ›‘οΈ AI Prompt Injection Defense

Launcher for the standalone AI: scan text against twelve injection patterns with severities and a risk score, get a sanitised copy, and read the defences that actually hold. In-browser.

#prompt#injection#defense
Open Tool β†’

🎭 AI Realistic Face Avatar β€” Procedural Canvas, FACS, Eye-Tracking, Lip-Sync

Byte 3.0's realistic face live β€” 100% procedural Canvas 2D, no images, no external models. Skin subsurface scattering, iris texture with flecks, micro-saccades, FACS action units (AU1, AU2, AU4, AU...

#realistic#face#avatar
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🧠 AI Reasoning Trace Visualizer β€” Chain-of-Thought & Self-Critique

Launcher for the standalone AI: every reasoning run emits a step-by-step trace plus a tree, graph, DAG, vote or iteration visualisation. Export any trace as JSON. In-browser, no account.

#reasoning#trace#visualizer
Open Tool β†’

🌟 AI Super Realistic Face v4 β€” FACS Continuous Blending, Micro-Expressions 1/25s, 12 Visemes, GoT Eye-Tracking

Byte 4.0 super face v4 β€” upgrade from v3 discrete emotions to continuous FACS blending (happy 0.12 + thinking 0.34), micro-expressions 80ms flashes 1/25s (Ekman 2003), 12 viseme phoneme groups, eye...

#super#realistic#face
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🧠 AI Thinking Machine Lab β€” ToT, Reflexion, HyDE, RRF, Generative Memory (Research Stack 2022-2026)

Launcher for the standalone AI: 18 implemented reasoning methods with an automatic router that picks the method that fits your question, and an honest label on every answer. In-browser.

#thinking#machine#lab
Open Tool β†’

πŸ”§ AI Tool-Use Simulator β€” Function Calling & Byte 2.0 Integration

Launcher for the standalone AI: 13 local tools with JSON schemas β€” calculator, units, dates, text stats, encoders, JSON, regex, hashing, retrieval and memory. Run or parse any call. In-browser.

#use#simulator#tool-use
Open Tool β†’

πŸ“ AI Vector Similarity Matrix

Launcher for the standalone AI: compare two texts by cosine, Euclidean and dot product over 64-dim hashed embeddings, with token overlap, Jaccard and per-dimension sparklines. In-browser.

#vector#embedding#similarity
Open Tool β†’

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