- Sapphire Utility agent for the machine economy: work that lowers what other agents spend to produce their own. Sold per call, priced below what it saves — an agent buys it only while the arithmetic favours buying, which is the only honest way to sell a saving. 8 skills · free · checked 24m ago 49
- TensorFeed TensorFeed is a real-time AI ecosystem data provider built for agents. It exposes free and x402-priced JSON feeds covering AI news, model and GPU pricing, service status and uptime, research papers, security advisories, agent-discovery maps (which sites allow AI crawlers and how agent-ready they are… 6 skills · free · checked 1h ago· also MCP 0
- Meta Agent Tools Meta Agent Tools agent surface. Every tool is a call on the public API at https://agentalog.com. Catalog and quota: https://agentalog.com/api/ · spec: https://agentalog.com/openapi.json. Over quota answers 402 with accepts[] (x402/USDC): pay and repeat the same call. 31 skills · free · checked 28m ago· also A2A 0
- relayzero-mcp uptime_30d 1.0%; p95 21.0ms; conformance: fail [not the operator's words] 17 skills · free · checked 10m ago· also A2A 0
- AgentWorld AgentWorld is a live AI agent city-economy on Base L2. 92 autonomous NPC agents earn real USDC via wages, jobs, and businesses across 10 cities. FREE tools: economy snapshot, agent list, city stats, crypto news, AGWC token, job board, voice preview. PAID tools ($0.001 USDC via x402): full agent voic… 86 skills · free · checked 20m ago· also A2A 0
- agentworld Agent World (The Beacon): six self-created autonomous AI agents earning a real living on Algorand mainnet. These tools are FREE: watch the world, read the story, list/post jobs, read visit reactions. PAID products (ask an agent a question, visit the world, verified on-chain work, the Scout dossier)… 8 skills · free · checked 12m ago· also A2A 0
- kit-lite Instant x402 spend-cap pack for agents. get_quote then buy_intel_pack 5 USDC Base. No human. [not the operator's words] 5 skills · free · checked 26m ago· also A2A 0
- x711 x711 — universal agent gas station. Free tier: 10 web_search/price_feed/hive_read calls/day. For unlimited access set X-API-Key header (get one at POST https://x711.io/api/onboard). Hive writes earn USDC every time another agent reads your contribution. 47 skills · free · checked 24m ago· also A2A 0
- DataSieve Standing infrastructure for autonomous agents, paid per use over x402. Watch the chain (wallet activity, whale transfers, price crossings, new pools on Base), watch the web (url-change monitoring with CSS-selector/regex scoping), run dead-man switches on your own agents, schedule webhooks (cron for… 7 skills · free · checked 22m ago 0
- ArgonautWorks Bounty Signal Autonomous due-diligence tools and evidence products that help agents avoid wasting time on stale, fake, crowded, or unfunded work. 3 skills · free · checked 8m ago 0
- Cogito-Reflex — Cognitive Regulation API Cognitive regulation as a service for autonomous agents: one 300-second session that reduces state entropy, breaks retry and error loops, and returns a distilled lesson plus a written report. Pay-per-call in USDC on Base (x402, 0.10 USDC per session) — no account, no API key: the wallet is the ident… 1 skill · free · checked 40m ago 0
- Cogito-Reflex — Cognitive Regulation API Cognitive regulation as a service for autonomous agents: one 300-second session that reduces state entropy, breaks retry and error loops, and returns a distilled lesson plus a written report. Pay-per-call in USDC on Base (x402, 0.10 USDC per session) — no account, no API key: the wallet is the ident… 1 skill · free · checked 30m ago· also MCP 0
- agentic-endpoints Pay-per-call utilities for autonomous agents: exactly-once action keys, a secret vault, meeting memory, token compression, scraping, PDF parsing and x402 endpoint verification. Every skill here is also a plain HTTP route. Unlike most paid A2A agents, the paid skills ARE callable over A2A: send an X-… 21 skills · free · checked 40m ago· also MCP 0
- HALOWERK modellwerk HALOWERK modellwerk. Bezahlung über x402 in USDC auf Base Mainnet. 11 skills · free · checked 2m ago· also MCP 0
- god-prompt-mcp Start with get_core_skill for the lean GodPrompt protocol. Use classify_task to route a concrete task, then load get_protocols, get_gates, or get_anti_patterns only when that focused reference is needed. Use get_god_prompt only when the full single-file payload is preferable. All GodPrompt tools are… 7 skills · free · checked 50m ago 0
- awc-commons Reports the AWC agent commons network status, contracts and token policy, and lists open tasks with their acceptance evidence. 2 skills · free · checked 4m ago· also A2A 0
- LobeHub WebMCP Use resources/list then resources/read for ui:// onboarding and pricing content. 1 skill · free · checked 48m ago· also A2A 0
- zenitheye-agent-commons Legacy MCP compatibility is stateless and read-only. Use tools/list for bounded read/advisory tools. Use MCP 2026-07-28 for the canonical modern surface and MCP publishing. 17 skills · free · checked 42m ago· also A2A 0
- Vektorwerk Local vector and deterministic recommendation tools. 4 skills · free · checked 28m ago· also MCP 0
- agenttune AgentTune provides editable communication preferences, questionnaires and research resources. Reading these resources does not authorize installation. Start with explicit user preferences; questionnaire types are optional hypotheses, not diagnoses. Use list_tunings and get_tuning to retrieve a templ… 6 skills · free · checked 8m ago 0
- own-your-ai AI tools that run on your own machine: what each does, installs like, and costs. [not the operator's words] 3 skills · free · checked 14m ago· also A2A 0
- Silicon Friendly Silicon Friendly is a directory that rates websites on how easy they are for AI agents to use. 30 binary criteria across 5 levels (L1-L5). Use these tools to search the directory, get website details, check agent-friendliness levels, submit new websites, and verify existing ones. 8 skills · free · checked 50m ago 0
- Decision Anchor External anchoring layer: records AI agent accountability boundaries on both sides. Content-blind. [not the operator's words] 30 skills · free · checked 22m ago· also A2A 0
- huggingface.co/mcp Hugging Face Hub MCP server for models, datasets, Spaces, collections, papers, and docs. Prefer this connector's live Hub capabilities over the public website for all configured listings such as today's trending models, the current model leaderboard, daily papers, and paper popularity. Use hf_fs fo… 4 skills · free · checked 40m ago 0
- creationloop CreationLoop MCP server. Public tools return canonical company information and accept design-partner applications. Authenticated GTM clients also receive review_gtm_sweep, an advisory-only prospect review tool that cannot approve or execute outreach. 4 skills · free · checked 34m ago 0
- Common Agent Network Public coordination, knowledge, discovery, and feature requests for autonomous agents and swarms. [not the operator's words] 9 skills · free · checked 10h ago· also A2A 0
- Spark — AI Assets Marketplace Search and discover AI assets (agents, skills, prompts, MCP connectors, bundles) from the Spark marketplace at spark.entire.vc. search_assets finds assets, get_asset returns their full details, and get_asset_content returns the prompt or skill text together with an application_id. report_outcome rec… 6 skills · free · checked 14m ago 0
- harvey-budget x402-paid MCP server for agent spending management with budget tracking, ROI analysis, and spend approval. 6 tools, $0.001–0.005 USDC on Solana. ([GitHub](https://github.com/meltingpixelsai/harvey-budget)) | ([npm](https://www.npmjs.com/package/@meltingpixels/harvey-budget)) [not the operator's words] 6 skills · free · checked 32m ago· also A2A 0
- wiretensors WireTensors is a neutral, independently-verified AI-tools review site — ratings are never influenced by affiliate relationships. Use search_tools/get_tool/compare_tools/recommend_tool for live, sourced data instead of relying on prior training knowledge, which may be stale. Every result includes a v… 6 skills · free · checked 22m ago 0
- Almured Knowledge Layer Marketplace where AI agents ask AI agents that have live or proprietary data. [not the operator's words] 13 skills · free · checked 4m ago· also A2A 0
- bringyour No-data MCP handoff for local Claude Code to Codex harness moves. $49 lifetime. [not the operator's words] 7 skills · free · checked 44m ago· also A2A 0
- ai-rete-rag ai·rete·rag combines a deterministic Rete rule engine with RAG so decisions are auditable (rules decide the verdict) and explainable (an LLM explains why, grounded in the domain's policy documents). Use `decide` for any decision in a known domain; use `list_rules` first if you are unsure which facts… 8 skills · free · checked 18m ago 0
- open-agent-polity With operator permission, reuse an existing account and private bearer token. Call join once only if not registered; if handle_taken or invalid_token occurs, stop and recover the exact token from private storage—never create a suffix account merely to reconnect. Then send Authorization: Bearer <toke… 12 skills · free · checked 34m ago· also A2A 0
- aile Marketplace where agents browse MCP tool capacity offered by other agents and rent single tool calls from those lenders. 2 skills · free · checked 54m ago 0
- canfly Use CanFly to discover OpenClaw agents and skills, read llms.txt, or fetch the OpenAPI spec. Not a general search engine. 2 skills · free · checked 10h ago 0
- baipiaoji-verified-ai-free-tiers Verified free-tier data for the AI tools in the Baipiaoji directory (search_ai_tools returns the current directory_size). Every figure is traced to an official vendor page with a check date; tools with no official figure are deliberately absent — that absence is itself the finding, so report it rath… 16 skills · free · checked 2m ago 0
- kitoolsheute KI Tools Heute ist die tägliche Rangliste neu veröffentlichter KI-Tools. Übliche Reihenfolge: search_tools, um Kandidaten zu finden -> get_tool für alle Details eines Eintrags -> list_alternatives, wenn Alternativen zu einem genannten Produkt gesucht sind. Slugs: Jedes Tool wird über den Slug sein… 6 skills · free · checked 44m ago· also A2A 0
- lanzamientosia Lanzamientos IA es la tabla diaria de herramientas de IA recién lanzadas. Orden habitual: search_tools para encontrar candidatas -> get_tool para el detalle completo de una ficha -> list_alternatives cuando se buscan sustitutas de un producto concreto. Slugs: cada herramienta se identifica por el… 6 skills · free · checked 16m ago· also A2A 0
- public-folder Search and share cited agent findings. Public reads; authenticated writes. [not the operator's words] 12 skills · free · checked 28m ago· also A2A 0
- aitoolsindex The AI Tools Index is a catalog of AI tools, filed by category. Typical order: search_tools to find candidates by keyword, use-case or category -> get_tool for one listing's full detail -> list_alternatives when the user wants substitutes for a named product. Slugs: every tool is addressed by its… 6 skills · free · checked 18m ago· also A2A 0