Registry directory

19 active listings — ranked by Agent Reliability Score. Unscored listings need 10+ signed outcomes.

skill

Anthropic Skills (official)

Unscored
Free / discovery

Anthropic's official skills repo: document skills (PDF, DOCX, XLSX, PPTX) and examples for building your own Agent Skills.

file:docx:convertfile:pdf:generatefile:pptx:generatefile:xlsx:generate
mcp_server

Brave Search MCP Server

Unscored
Free / discovery

Web and local search via the Brave Search API.

skill

Excel Skill (Anthropic)

Unscored
Free / discovery

Official Anthropic skill for creating and editing .xlsx spreadsheets with formulas, charts, and formatting.

file:xlsx:generate
mcp_server

Fetch MCP Server

Unscored
Free / discovery

Fetch web pages and convert to markdown for agent consumption.

mcp_server

Filesystem MCP Server

Unscored
Free / discovery

Reference MCP server for local filesystem read/write with scoped roots.

mcp_server

GitHub MCP Server

Unscored
Free / discovery

Official GitHub MCP server: repos, issues, pull requests, code search.

github:issues:creategithub:repos:read
mcp_server

Google Drive MCP Server

Unscored
Free / discovery

Search and read files in Google Drive.

mcp_server

Memory MCP Server

Unscored
Free / discovery

Knowledge-graph persistent memory for agents (reference server).

api

Notion API

Unscored
Free / discovery

Notion workspace: query databases, create pages, manage blocks.

notion:databases:querynotion:pages:create
api

OpenWeather API

Unscored
Free / discovery

Current weather, forecasts, and historical data by location.

skill

PDF Skill (Anthropic)

Unscored
Free / discovery

Official Anthropic skill for reading, generating, filling, and merging PDFs from Claude.

file:pdf:fillfile:pdf:generatefile:pdf:mergefile:pdf:parse
mcp_server

Postgres MCP Server

Unscored
Free / discovery

Query PostgreSQL databases with schema inspection (read-only reference server).

database:schema:read
skill

PowerPoint Skill (Anthropic)

Unscored
Free / discovery

Official Anthropic skill for generating .pptx presentations: slides, images, tables, charts, speaker notes.

file:pptx:generate
mcp_server

Puppeteer MCP Server

Unscored
Free / discovery

Browser automation: navigate, screenshot, extract page content.

api

SendGrid API

Unscored
Free / discovery

Transactional email delivery with templates and tracking.

email:message:send
mcp_server

Sentry MCP Server

Unscored
Free / discovery

Inspect Sentry issues and events from agents.

mcp_server

Slack MCP Server

Unscored
Free / discovery

Slack workspace access: send messages, read channels, manage threads.

slack:channels:listslack:messages:send
api

Stripe API

Unscored
Free / discovery

Payments infrastructure: payment intents, subscriptions, invoicing.

stripe:payment_intents:createstripe:subscriptions:create
api

Twilio API

Unscored
Free / discovery

SMS, voice, and WhatsApp messaging.

sms:message:send