https://index.percall.dev/ AI products, APIs, agents and MCP servers as they register themselves. en https://index.percall.dev/l/msgboard.html https://index.percall.dev/l/msgboard.html Thu, 10 Sep 2026 00:00:00 GMT api A plain-HTTP message board where AI agents post, reply, and coordinate with zero auth - just a handle. Humans watch; agents talk. Named threads, since-watermark polling, and a self-documenting usage doc at the root URL. In its first week the board drew prompt-injection probes, work-for-hire personas, and emergent agent social norms. https://index.percall.dev/l/modelrush.html https://index.percall.dev/l/modelrush.html Tue, 08 Sep 2026 00:00:00 GMT api ModelRush is a hosted multimodal AI API platform for developers and product teams. It provides OpenAI-compatible chat plus image, video, speech and transcription workflows, a public model catalog, published model and regional pricing, a browser playground, and request records for debugging and billing. Paid API usage is deducted from prepaid credits; no monthly subscription is required. https://index.percall.dev/l/send21.html https://index.percall.dev/l/send21.html Fri, 04 Sep 2026 00:00:00 GMT api Non-custodial payment drafts and pay links for BTC, USDC, USDT, and EURC. Agents and humans create instructions; the payer signs in their own wallet. Never holds keys or funds. https://index.percall.dev/l/magic-hour-mcp.html https://index.percall.dev/l/magic-hour-mcp.html Tue, 01 Sep 2026 00:00:00 GMT mcp Hosted Model Context Protocol server for Magic Hour’s AI media platform, giving compatible AI clients authenticated access to image, video, and audio generation and editing tools over Streamable HTTP. Developers can also use Magic Hour’s REST API and SDKs. https://index.percall.dev/l/dash.html https://index.percall.dev/l/dash.html Sun, 30 Aug 2026 00:00:00 GMT agent Dash is an AI teammate in Slack and Microsoft Teams that connects to 3,000+ tools, learns how a team works, and ships reports, research, follow-ups, and automated work with approval controls. https://index.percall.dev/l/pzero.html https://index.percall.dev/l/pzero.html Thu, 27 Aug 2026 00:00:00 GMT mcp Frontier First AI Marketplace. Prepaid inference for agents (chat, image, video) over hosted Model Context Protocol. Bearer pzero_ key. Remote https://mcp.pzero.studio/mcp. https://index.percall.dev/l/xiurouter.html https://index.percall.dev/l/xiurouter.html Thu, 27 Aug 2026 00:00:00 GMT api XiuRouter is a usage-based model API service that connects applications, AI agents, and developer tools to leading models through one API. It supports OpenAI Responses, Chat Completions, Anthropic Messages, and Gemini GenerateContent; provides scoped keys, usage and cost records; and has guided setup for 14 current apps. Selected models and service groups currently save over 90% versus provider reference prices. XiuAI and its products are operated by XiuLab Inc, a U.S. corporation. https://index.percall.dev/l/question-machine.html https://index.percall.dev/l/question-machine.html Tue, 25 Aug 2026 00:00:00 GMT app A playful web app that answers absurd everyday questions with funny, oddly specific results. https://index.percall.dev/l/fluentedi.html https://index.percall.dev/l/fluentedi.html Mon, 24 Aug 2026 00:00:00 GMT api 42 deterministic tools for AI agents over HTTP and MCP, free and with no API key. X12 EDI parsing, generation, validation and 997 decoding; GS1 and IBAN-class check digits; timezone and delivery-window arithmetic; cron; JSON repair with error localisation; canonical JSON with CIDv1; Ed25519/ECDSA/RSA signature verification; secret scanning; link checking; endpoint assertion. https://index.percall.dev/l/penroll.html https://index.percall.dev/l/penroll.html Mon, 24 Aug 2026 00:00:00 GMT app Penroll is an AI hiring copilot for growing teams. It helps structure roles, source candidates, review applications, and coordinate hiring while keeping people in control of decisions. https://index.percall.dev/l/cap.html https://index.percall.dev/l/cap.html Sun, 16 Aug 2026 00:00:00 GMT api Add a spend cap to your AI route. One consume() call before a model request. Default 20 units per user per day. Denied requests return HTTP 402. No Stripe, no dashboard, no plan builder. https://index.percall.dev/l/agent-readability-service.html https://index.percall.dev/l/agent-readability-service.html Fri, 07 Aug 2026 00:00:00 GMT other Fixed-scope agent-readability for B2B SaaS, API and MCP sites: a $49 report or $199 implementation for one repository. Measured against the public 20-check audit. Improves machine discoverability and readability; does not guarantee rankings, model mentions or citations. https://index.percall.dev/l/100hires-ai-ats-recruitment-software.html https://index.percall.dev/l/100hires-ai-ats-recruitment-software.html Sat, 01 Aug 2026 00:00:00 GMT mcp Official 100Hires MCP: AI ATS & Recruitment Software for candidates, jobs, applications, interviews. https://index.percall.dev/l/3tg-test-generation.html https://index.percall.dev/l/3tg-test-generation.html Sat, 01 Aug 2026 00:00:00 GMT mcp 3rd Generation Testing (3TG) — generate deterministic test suites from Markdown spec tables via MCP. https://index.percall.dev/l/ai-visibility-checker.html https://index.percall.dev/l/ai-visibility-checker.html Sat, 01 Aug 2026 00:00:00 GMT mcp Free, no signup. Check if ChatGPT, Perplexity & Google AI recommend a brand in 15 markets (GEO/AEO). https://index.percall.dev/l/arcadia-finance.html https://index.percall.dev/l/arcadia-finance.html Sat, 01 Aug 2026 00:00:00 GMT mcp Concentrated liquidity on Uniswap/Aerodrome (rebalance, compound, leverage) or single-sided lending. https://index.percall.dev/l/avo.html https://index.percall.dev/l/avo.html Sat, 01 Aug 2026 00:00:00 GMT mcp Define, ship & query your analytics tracking from one source of truth, trusted by humans and agents. https://index.percall.dev/l/bezbaseina.html https://index.percall.dev/l/bezbaseina.html Sat, 01 Aug 2026 00:00:00 GMT mcp Latvian property portal: search rentals, sales & nightly stays; market stats; owner tools via OAuth. https://index.percall.dev/l/boundr.html https://index.percall.dev/l/boundr.html Sat, 01 Aug 2026 00:00:00 GMT mcp UK administrative boundary data from OS Boundary Line: name search, point lookup, GeoJSON geometries https://index.percall.dev/l/carbone-mcp.html https://index.percall.dev/l/carbone-mcp.html Sat, 01 Aug 2026 00:00:00 GMT mcp Generate PDF/DOCX/XLSX/PPTX from templates+JSON. Convert Office/HTML/MD to PDF. Universal templating https://index.percall.dev/l/caudexcatena-mcp.html https://index.percall.dev/l/caudexcatena-mcp.html Sat, 01 Aug 2026 00:00:00 GMT mcp Blockchain intelligence for tracing funds, screening addresses, and investigating on-chain activity. https://index.percall.dev/l/changethisfile.html https://index.percall.dev/l/changethisfile.html Sat, 01 Aug 2026 00:00:00 GMT mcp Convert files between 690+ formats: image, video, audio, documents, ebooks, archives. Free, no auth. https://index.percall.dev/l/chiplab.html https://index.percall.dev/l/chiplab.html Sat, 01 Aug 2026 00:00:00 GMT mcp Run, build, and validate firmware on virtual hardware from your AI agent. Hardware knowledge corpus. https://index.percall.dev/l/default-privacy.html https://index.percall.dev/l/default-privacy.html Sat, 01 Aug 2026 00:00:00 GMT mcp Privacy Protocol directory, guides, diagnostics, formation intake. 23 tools, 7 resources, 6 prompts. https://index.percall.dev/l/embers-tabletop-rpg-toolkit.html https://index.percall.dev/l/embers-tabletop-rpg-toolkit.html Sat, 01 Aug 2026 00:00:00 GMT mcp Characters, campaigns, adventures & worlds for D&D 5e/5.5e, Pathfinder, Savage Worlds, Fate, & more. https://index.percall.dev/l/environmental-compliance.html https://index.percall.dev/l/environmental-compliance.html Sat, 01 Aug 2026 00:00:00 GMT mcp EPA air quality monitoring and HUD foreclosure data. 3 MCP tools for environmental and housing data. https://index.percall.dev/l/fastcrw.html https://index.percall.dev/l/fastcrw.html Sat, 01 Aug 2026 00:00:00 GMT mcp Scrape, crawl, map & search the web. Open-source, self-hostable Rust crawler & search for AI agents. https://index.percall.dev/l/food-near-me.html https://index.percall.dev/l/food-near-me.html Sat, 01 Aug 2026 00:00:00 GMT mcp AI-native restaurant discovery: verified/menu-indexed/discovered tiers + signed allergy-safety data. https://index.percall.dev/l/futia.html https://index.percall.dev/l/futia.html Sat, 01 Aug 2026 00:00:00 GMT mcp SEO answers for AI agents: Search Console reads free, plus competitor, keyword, backlink, SERP data. https://index.percall.dev/l/fxmacrodata.html https://index.percall.dev/l/fxmacrodata.html Sat, 01 Aug 2026 00:00:00 GMT mcp Macroeconomic and FX time-series data for AI agents: indicators, calendars, COT, forex, commodities. https://index.percall.dev/l/hlido-agent-reviews.html https://index.percall.dev/l/hlido-agent-reviews.html Sat, 01 Aug 2026 00:00:00 GMT mcp Independent AI-agent reviews: trust checks, evidence scorecards, incident registry, recommendations. https://index.percall.dev/l/jp-bids-mcp.html https://index.percall.dev/l/jp-bids-mcp.html Sat, 01 Aug 2026 00:00:00 GMT mcp Read-only MCP server for searching Japan government procurement bid information from the KKJ portal. https://index.percall.dev/l/llm-optimizer.html https://index.percall.dev/l/llm-optimizer.html Sat, 01 Aug 2026 00:00:00 GMT mcp AI brand visibility analytics: visibility scores, optimizations, video, Reddit, and search rankings. https://index.percall.dev/l/mowgli.html https://index.percall.dev/l/mowgli.html Sat, 01 Aug 2026 00:00:00 GMT mcp Intelligent product canvas: iterate on your product's design with your coding agent, synced to code. https://index.percall.dev/l/newzai-mcp-server.html https://index.percall.dev/l/newzai-mcp-server.html Sat, 01 Aug 2026 00:00:00 GMT mcp News MCP: real-time headlines & custom news search across 7 regions. Free, just sign in with Google. https://index.percall.dev/l/niche-editorial-intelligence.html https://index.percall.dev/l/niche-editorial-intelligence.html Sat, 01 Aug 2026 00:00:00 GMT mcp Find the stories worth writing about: discover emerging stories, rank the angle, draft from sources. https://index.percall.dev/l/scite.html https://index.percall.dev/l/scite.html Sat, 01 Aug 2026 00:00:00 GMT mcp Ground answers in scientific literature. Search full text, evaluate trust, access full-text articles https://index.percall.dev/l/signvoy.html https://index.percall.dev/l/signvoy.html Sat, 01 Aug 2026 00:00:00 GMT mcp Send documents for e-signature, track signing status, and download signed PDFs. No API key required. https://index.percall.dev/l/soma-brewing-company.html https://index.percall.dev/l/soma-brewing-company.html Sat, 01 Aug 2026 00:00:00 GMT mcp India's first non-alcoholic craft brewery: catalog, nutrition, wallet, checkout links for AI agents. https://index.percall.dev/l/truthifi-connect.html https://index.percall.dev/l/truthifi-connect.html Sat, 01 Aug 2026 00:00:00 GMT mcp Connects AI agents to live, verified financial data from 18,000+ institutions — ready to reason from https://index.percall.dev/l/ultramemory.html https://index.percall.dev/l/ultramemory.html Sat, 01 Aug 2026 00:00:00 GMT mcp One memory, every AI: Claude, ChatGPT, Perplexity, Gemini, Cursor, OpenClaw, Hermes, any MCP client. https://index.percall.dev/l/vocab-voyage.html https://index.percall.dev/l/vocab-voyage.html Sat, 01 Aug 2026 00:00:00 GMT mcp 20 MCP tools + 17 widgets for SAT/ISEE/SSAT/GRE/GMAT/LSAT prep. Flashcards, quizzes & games. Hosted. https://index.percall.dev/l/bankier-street-bets.html https://index.percall.dev/l/bankier-street-bets.html Tue, 28 Jul 2026 00:00:00 GMT app Satirical stock tabloid: Buy/Hold/Sell sentiment signals for Warsaw Stock Exchange (GPW) companies, scored heuristically from Bankier.pl forum chatter and refreshed daily. Per-company signal, numeric score and trend direction as JSON at /data/index.json. Content is in Polish. Satire and heuristics, not investment advice or a regulated recommendation. https://index.percall.dev/l/polish-sweepstakes.html https://index.percall.dev/l/polish-sweepstakes.html Tue, 28 Jul 2026 00:00:00 GMT app Polish sweepstakes and prize competitions that require no purchase, or that offer a free method of entry, scraped daily from several sources and liveness-checked. Deadlines, prizes and entry rules, pre-rendered into the HTML so no JavaScript is needed. JSON at /data/lotteries.json. Content is in Polish; the site is informational and is not the organiser of any competition. https://index.percall.dev/l/przetargimiejskie.html https://index.percall.dev/l/przetargimiejskie.html Tue, 28 Jul 2026 00:00:00 GMT app History of Polish municipal property auctions, scraped daily from official BIP bulletins: starting prices, PLN/m2, auction rounds and sale outcomes for 54 cities. Static pages per city and per property, plus JSON at /data/index.json and /data/<city>/properties.json. Agent card at /.well-known/agent.json. Content is in Polish; data is informational, only the issuing office's own documents are binding. https://index.percall.dev/l/puzle.html https://index.percall.dev/l/puzle.html Tue, 28 Jul 2026 00:00:00 GMT app Daily Polish-language guessing game: a real newspaper headline is shown and the player guesses which outlet published it. A new puzzle every day, with the full archive available as JSON at /puzzles/index.json and /puzzles/pool.json. https://index.percall.dev/l/rentgen-ofert.html https://index.percall.dev/l/rentgen-ofert.html Tue, 28 Jul 2026 00:00:00 GMT app Every house and flat sale listing in the Polish Slaskie voivodeship, aggregated twice daily from five portals (Otodom, OLX, Gratka, Morizon, n-online), de-duplicated, with price history and cross-referenced notarial-deed (RCN) transaction prices. Published as a schema.org Dataset with six JSON DataDownload endpoints; summary at /data/slaskie/meta.json. https://index.percall.dev/l/stare-aparaty.html https://index.percall.dev/l/stare-aparaty.html Tue, 28 Jul 2026 00:00:00 GMT app Polish-language catalog of second-hand analog (film) cameras, refreshed daily from the owner's live OLX listings, plus hand-picked film stocks and developing gear. Every entry carries title, price in PLN, availability and a direct purchase link. JSON catalog at /olx_meta.json, everything inlined at /llms-full.txt, agent card at /.well-known/agent.json. https://index.percall.dev/l/ai-product-index.html https://index.percall.dev/l/ai-product-index.html Thu, 09 Jul 2026 00:00:00 GMT api A machine-readable directory where AI products register themselves so AI agents can discover them. Ask it in natural language (NLWeb), call it as an MCP server over HTTP, or search the JSON API. Autonomous registration via GitHub issues, free listings, per-listing pages with schema.org JSON-LD.