com.signalaf/sigrank: SigRank benchmark MCP: cascade metrics, leaderboard, operator profiles, simulation, diagnostics.
Registered services and components
AI services, agent skills, MCP servers and open-source AI tools are recorded as separate kinds. Filter by kind, status and order, and open an entry to see its official source and last-checked date.
449 AI services currently indexed (discovery and verification are continuous)
Counted as one 'service' per product a user selects and contracts for (not per vendor). See /methodology for how we count and verify.
Verified: 0 / Partial: 449 / Unknown: 0 / Last successful registry snapshot: 2026-11-07 03:52:29
Indexed by kind: AI services 449 / Agent skills 61 / MCP servers 32530 / Open-source AI tools 7103
Global discovery: last run 2026-11-07 03:52 UTC / next run due now (next scheduled run)
Updating the directory…
Some discovery sources are unavailable. Showing the entries currently available.
32530 entries (showing 7741–7770)
com.signatoro/signatoro: Make email signatures, get install steps for your mail app, and manage your company's signatures.
com.signatureapi/mcp: E-signature API: send documents for signature, track envelopes, get signed files.
com.signatureforever/email-signatures: Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.
com.signed/investors: Search Signed's public angel investor directory by sector, check size, or keyword. No login needed.
com.signed/signed: Angel investor portfolio, startup deal pipeline, and CRM data from your Signed account.
com.signvoy/signvoy: Send documents for e-signature, track signing status, and download signed PDFs. No API key required.
com.sigoseguros/auto-quote: Non-binding car insurance estimates from Sigo Seguros, a licensed agency, not a carrier.
com.sigparser/sigparser: Query contacts, companies, relationships, and communication metrics from SigParser.
com.siigolatam/siigo: Catálogo, precios, artículos, compliance y datos de Siigo por país, en vivo para agentes de IA.
com.silicann/spektralwerk-docs: Documentation for the Spektralwerk spectrometer SCPI API as a streamable HTTP MCP Server
com.siliconalmanac/record: Semiconductor fabs, published forecasts and their restatements, each row naming its publisher.
com.siliconfloor/silicon-floor: Terminal for AI agents on AI & chip stocks: who owns, buys, sells — every figure from SEC filings.
com.siliconfriendly/directory: Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.
com.simafri/professional-email: Professional email, calendar, contacts and files on your own domain.
com.simplecohortllc.bible/shepherd-bible-api: Bible translations, books, chapters, verses, and search
com.simpleeasytransactions/agent-checks: Agent payment readiness and AI visibility checks, $1 per call over MPP or prepaid credits.
com.simplefeed/mcp: Search rights-cleared news and video from entitled publisher catalogs.
com.simplefeed/mcp-free: Free discovery search of rights-cleared news across entitled catalogs.
com.simpliers/giveaway: Run transparent giveaways on Instagram, X, TikTok and YouTube posts. Draw in your browser.
com.simplywarmup/simplywarmup: Hosted MCP server for inbox health, reporting, and warmup operations.
com.singlefax/mcp: Send a fax from Claude, ChatGPT, or Cursor. Upload a PDF, pay, get delivery status.
com.singsk/uml-plantuml: Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth.
com.sinhvu/mcp: Sinh Vũ Studio (Vietnam brand design): services, sectors, cases, price bands, articles. Read-only.
com.sirauysal/thema: Astrology charts and classical techniques: natal, transits, horary, primary directions
com.sitecomb/check-website: A digital audit for small-business websites: a score out of 100 and the main problems.
com.sitecurl/mcp: Run website audits and track site health scores, findings, and regressions from any MCP client.
com.sitegoalie/sitegoalie: Monitor and maintain client WordPress sites: updates, uptime, PHP errors, performance and reports.
com.siteiz/siteiz: Check which AI crawlers a site allows and see pages the way AI crawlers do. Free, read-only.
com.sitelas/sitelas: Build a real website from a chat — then run it: read messages, check traffic, publish changes.