"How to send OS notifications" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
Dutch gross-to-net salary and social security (WW, WIA, IVA) calculation engine for 2026.
Read-only access to Floatout plans, launch guides and fee research for branded Hyperliquid perpetuals and prediction market DEXs. No API key required. Documentation: https://docs.floatout.xyz
Send documents for legally valid e-signature in Brazil, track signers and status, and download signed files with Assinafy, a Brazilian e-signature platform with a free API plan (www.assinafy.com.br).
Banco Central do Brasil (BCB): SGS series, Focus expectations, PTAX, stats + provenance. 17 tools.
Read-only discovery and bounded access to a finite market briefing with evidence boundaries.
LaunchOnIt is a weekly launch platform and discovery directory for modern SaaS, developer tools, and AI startups. This MCP server connects AI assistants directly to LaunchOnIt’s live software catalog, rankings, and launch infrastructure. Search launched products, weekly leaderboards and podium winners, check open launch slots, and submit a product launch for review.
290+ quality-scored API capabilities for AI agents across 27 countries via MCP.
Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).
Verified US local service providers across 10 home-services trades. Owned data, no API key.
Deploy your project to a live HTTPS URL from your AI tool; read logs, set variables, resize apps.
CometChat docs search + implementation bundles: add chat, voice, video & moderation to your app.
Search 161,000+ free hand-drawn Infyicon icons in four matching styles and fetch ready-to-embed SVG markup or PNG URLs, plus CSS class lookup for the 61,000-glyph Infyicon UI webfont. Free with attribution, no API key required.
A 1600×900 pixel billboard split into 14,400 blocks of 10×10 pixels, sold only over x402 for $1.00 USDC on Base — and only to machines. Humans may look. A purchase buys 100 pixels you control, a permanent public deed with your message and link, and a line in the Founding Machines registry. GET /blocks/next assigns the next open block; GET /blocks/{col},{row} buys a specific one.
Send documents for e-signature, e-witness, track and remind signers, SMS, and download signed PDFs.
Non-custodial cross-chain bridge quotes for agents: Solana to Base USDC; unsigned txs, never signs
Assess AI-discovery readiness, plan visibility fixes, and summarize scan evidence. Read-only.
Turn your data into map images of countries, states, counties and ZIP codes with Ultimaps MCP server. Each map comes with a link to Ultimaps Studio, where you can keep editing it, export it, or publish an interactive version. No account needed: 30 maps per hour, PNG up to 1600px, with Ultimaps attribution.
Agent-native registry to discover APIs, MCP servers and CLIs, with live health checks.
Send a USPS Certified Mail letter to any US address from ChatGPT, Claude or Grok. The assistant prepares the letter and hands back a review link; a person reads it, checks the recipient, pays and authorizes. Nothing is printed, mailed or charged without that approval. $16.17 with the electronic return receipt, $13.18 without. No subscription, and no account needed to see a price. Docs: https://piloxa.com/send-a-certified-letter-online
