20 Courier Notifications alternatives
Courier Notifications: Courier's official skill for building and debugging multi-channel notifications — email, SMS, push, in-app inbox, Slack, Teams and WhatsApp — from one send call. 20 agent skills do similar work, most sharing API, Email and Transactional Email, ranked by how much they have in common with Courier Notifications.
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by Resend
Resend's official skill for the whole email lifecycle — transactional sends, inbound webhooks, templates, broadcasts, domains and delivery events.
Also: API, Email, Transactional Email
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by Cloudflare
Wire up Cloudflare Email Sending and Email Routing — the send_email binding, the inbound email() handler, and the deliverability setup that keeps mail out of spam.
Also: Email, Transactional Email
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by Anthropic
Create animated GIFs optimized for Slack — with size constraints, validation tools, and animation concepts baked in.
Also: Slack
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by Google Workspace
Google's official skill for the gws CLI — drive Gmail, Drive, Calendar, Sheets, Docs, Chat and Admin APIs from an agent, with Model Armor screening.
Also: Email
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by Better Auth
Credential auth done to spec in Better Auth: verification email, reset flow, token and session handling, password policy and custom hashing.
Also: Email
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by Basecamp
Drive a HEY account from an agent through the HEY CLI — Imbox and screener, threads, replies, drafts, contacts, calendar, todos, habits, time tracking and journal entries.
Also: Email
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by SerpApi
SerpApi's official skill for structured search: which of 130+ engines to call for citations, local businesses, flights, hotels, shopping or jobs, which response key holds the answer, and the gotchas that silently return the wrong field.
Also: API
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by Replicate
Replicate's official skill for running models via its API — predictions, polling, Prefer: wait, webhooks with signature validation, streaming and file handling.
Also: API
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by Brave
Brave's official skill for the Brave Search API — ranked web results with snippets and thumbnails, freshness and SafeSearch filters, search operators, pagination, and Goggles for custom ranking.
Also: API
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by Pydantic
Pydantic's official skill for modelling untrusted data in Python — constraints, model hierarchies, validators and serialisation, plus when not to reach for a BaseModel.
Also: API
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by Venice AI
Venice's official skill for its two text-to-image endpoints — the native API with negative prompts, CFG and seeds, and the OpenAI-compatible drop-in.
Also: API
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by Apollo GraphQL
Sets up Apollo MCP Server so an AI agent can call a GraphQL API as MCP tools — defining tools from named operations, or exposing introspect/search/validate/execute for open-ended schemas.
Also: API
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by Apollo GraphQL
Apollo's official skill for writing Federation 2 subgraph schemas — entities and @key, @shareable, @external, @requires, @provides, @override, and reading composition errors.
Also: API
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by Coinbase
Coinbase's official skill for driving a crypto wallet from an agent: balances and transfers on Base, Polygon and Solana, plus paying for and monetising x402 APIs.
Also: API
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by Anthropic
Authoritative reference for the Claude API and Anthropic SDKs — model IDs, pricing, parameters, streaming, tool use, MCP, agents, prompt caching, and token counting.
Also: API
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by Hugging Face
Read-only recipes for the Hugging Face Dataset Viewer API — resolve splits, paginate rows, run text search and row filters, and pull parquet URLs and column statistics.
Also: API
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by Typefully
Typefully's official skill for drafting, scheduling and publishing to X, LinkedIn, Threads, Bluesky, Mastodon and Substack Notes from your agent or terminal.
Also: API
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by Oldcircle
Find where a photo was taken: EXIF, OCR, OpenStreetMap, skyline and satellite matching, with coordinates, error radius and evidence images.
Also in Development
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by AMD
AMD's official meta-skill: permanently reroutes an agent's image generation, text-to-speech and speech-to-text to a local Lemonade Server instead of a paid cloud API.
Also in Development
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by Microsoft
Microsoft's official Playwright skill — drives a real browser from the command line using accessibility snapshots and element refs, and plans, generates and heals Playwright tests.
Also in Development
