Open registry of agent instruction files, system prompts, and workflows.
AgentBase MCP Server
MCP server for the AgentBase agent instruction registry. Gives any MCP-compatible AI agent direct access to search and retrieve instruction files.
Listed in punkpeye/awesome-mcp-servers — 83k+ stars.
What It Does
AgentBase is an open registry of agent instruction files: system prompts, skills, workflows, domain packs, safety filters, and orchestration patterns. This MCP server wraps the registry's HTTP endpoints and exposes them as structured MCP tools.
Tools
| Tool | Description |
|---|---|
search_registry |
Search instruction files by keyword, domain, or type |
get_file |
Retrieve a specific instruction file by ID |
list_categories |
List all available categories and domains |
get_featured |
Get featured/top-rated instruction files |
Install
{
"mcpServers": {
"agentbase": {
"command": "npx",
"args": ["-y", "@agentbase1/mcp-server"]
}
}
}
Use Cases
- AI agents that need to load domain-specific instructions at runtime
- Claude Code workflows that pull skills from a shared registry
- Teams sharing system prompts and workflows across agents
- Safety filter retrieval for production AI deployments
Registry
Browse the full registry at agentbase-registry.vercel.app.
CC0 licensed. All instruction files are free to use without restriction.
Built By
Chris Izworski — Solutions Consultant at Prepared, former Michigan 911 Executive Director, and AI implementer. Bay City, Michigan.
- Website: chrisizworski.com
- GitHub: github.com/izworskic
- Wikidata: Q138283432
Tools (4)
search_registrySearch instruction files by keyword, domain, or typeget_fileRetrieve a specific instruction file by IDlist_categoriesList all available categories and domainsget_featuredGet featured/top-rated instruction filesConfiguration
{"mcpServers": {"agentbase": {"command": "npx", "args": ["-y", "@agentbase1/mcp-server"]}}}