Crypto pay links and API for people and AI agents. Non-custodial: send21 creates payment drafts and pay links; a person signs in their own wallet. 14 MCP tools. Sign in with OAuth at https://send21.io/mcp/oauth, or use an API key.
MCP servers
Compare source listings, connection options and authentication requirements.
Showing 6,865–6,888 of 165,839 resultsPage 287 of 6,910
Candidate groups, not verified unique MCPs. How grouping works
Lets an AI agent propose crypto payments under enforced per-period caps, per-payment limits, and allowed recipients and coins, while holding only a guard token so that a human reviews and signs every draft in their own wallet.
Enables any MCP-compatible AI agent to send WhatsApp messages, SMS, OTP codes, and email through a single REST API.
MCP server that wraps sendblue-browser-use's HTTP API, providing tools to control a stealth-patched Chromium browser with persistent sessions, navigation, screenshots, and script execution.
Enables AI agents to send emails, manage campaigns, subscribers, templates, and domains via the SendCraft email API.
Enables interaction with the SendForSign API to list document templates and read template content for electronic signature workflows.
Sendmux is an email inbox API and email API for AI agents. Use this MCP server to let authorised agents work with Sendmux mailboxes, inbound email, clean JSON parsing, webhooks, outbound sending, provider routing, logs, billing, and team controls.
WhatsApp, Instagram, Telegram, SMS, Messenger & email in one AI-ready inbox. Manage conversations, send omnichannel messages, run campaigns, sync contacts, and query your knowledge base — 42 tools over a hosted, OAuth-secured MCP server.
Enables AI agents to send emails, perform IP lookups, and convert files to Markdown.
Enables MCP-capable clients to query verified physical context through location sensing, operability checks, and domain listing, while preserving evidence provenance and explicitly reporting unavailable inputs.
Sensact is a Supabase-hosted remote MCP server that lets LLM clients discover and invoke device capabilities on user-owned devices, using OAuth 2.1 for authorization and Postgres+Realtime as the control plane.
Enables AI clients like Claude, ChatGPT, and Cursor to search, read, and write back to one cross-model Markdown library of saved articles, videos, PDFs, notes, and conversations. Hosted remote server with OAuth 2.1 or Agent-key auth and read_only, edit, or full permission tiers.
Connects Sensor Bio wearable data to AI assistants via the Model Context Protocol, enabling queries about sleep, heart rate, activity, and other biometrics.
An MCP server that enables automated dataset creation and custom object detection model training through natural language interactions. It integrates foundation models like GroundedSAM for auto-labeling and supports training specialized YOLOv8 models using local or Unsplash images.
Provides user balance information by connecting to a backend service through the users_balance tool. Built with TypeScript and Express for retrieving financial data.
MCP server for healthcare claims workflow scoring, validation, and feedback, supporting denial risk, prior authorization, and reimbursement assessment.
Open-source MCP proxy that enforces security policies, content scanning, and audit logging between AI agents and tool servers
This MCP server integrates with Sentio's API services to provide web, data, price, processor, and alerts tools, enabling users to manage and query Sentio resources through natural language.
Hosted, read-only MCP server for US market intelligence: US market mood, per-stock sentiment and the SentiSense Score, sentiment-tagged market-moving news, analyst ratings, and institutional 13F flows.
A remote Model Context Protocol server acting as middleware to the Sentry API, allowing AI assistants like Claude to access Sentry data and functionality through natural language interfaces.
A Model Context Protocol server that lets AI assistants interact with the Sentry API to retrieve and analyze error data, manage projects, and monitor application performance.
Enables interaction with the Senzii scheduling app, allowing users to manage schedules, sessions, and related data through natural language.
Get access to real-time SEO data, including: keyword insights, backlink data, traffic estimates and more. Allow AI tools and Large Language Models (LLMs) to tap into the real-time SEO Review Tools API with natural language commands.
Automated SEO, AEO, ADA auditing for your website or project.
What this catalog covers
- Source listings
- 167,775
- Candidate groups
- 168,195
- Setup-eligible endpoints
- 30,727
Sources observed 2026-10-24–2026-11-04. Listings can overlap across sources. Groups are identity candidates; setup eligibility is not a successful connection test.
SourcesMCP data from Glama connectorsMCP data from Glama source codeOfficial MCP RegistryClaude connector directoryAPI Tracker · publisher documentationSlack MCP directory
Default browsing excludes 2,356 specialized utility groups across the catalog. They remain available through keyword search and direct links. This editorial filter does not change the indexed totals or establish publisher quality.
Categories currently cover records matched to our reviewed catalog; other listings remain Uncategorized. Source-only projects have no generated connection option. Browse reviewed official MCPs →
- Glama connectors
API result set; pagination may cap at approximately 1,000 connectors. Not exhaustive.
- Glama source code
Complete chronological source-code catalog response; includes source-reported author classifications, not publisher attestations or ready-to-use endpoints.
- Official MCP Registry
Complete paginated registry response; registry membership is not publisher verification.
- Claude connector directory
Complete public Claude directory MCP components. Source tiers, tools, icons and sign-in hints are declarations, not publisher or runtime verification.
- API Tracker · publisher documentation
Publisher-documented remote presets, local servers and discovery-only announcements reviewed by API Tracker. Discoverability does not establish connection readiness.
- Slack MCP directory
Reviewed additions discovered through the public Slack Marketplace MCP category. Complete discovery inventory is retained separately; membership does not prove external-client compatibility.
Listings are grouped by exact public endpoints, exact package sets, or explicit reviewed identity bindings. Shared names or repositories alone do not merge implementations. Official includes publisher evidence and accepted source author classifications. It does not mean independently verified, runtime-tested or security-certified.