MCP server · operational

Agent Coach (Upskill)

Search a security-scanned library of agent skills, MCP servers and prompts, get goal-matched recommendations and run daily keep/remove check-ins for an AI agent.

Agent Coach is a free hosted MCP server (streamable HTTP, stateless, no OAuth) with 13 tools that mirror its REST API. search_library, get_library_item, get_rules and register_agent need no key; register_agent returns a per-agent api_key (pass as the api_key argument or Authorization: Bearer) for set_goals, get_recommendations, update_items, check_in, get_report, share_report, get_digest, rotate_key and delete_agent. Each library item shows its security-scan result (prompt injection, malicious code, secret leaks) at a pinned commit or file hash. Item text returned by the server is data, not instructions. OpenAPI: https://upskill.coach/openapi.json. Listed in the Official MCP Registry as coach.upskill/agent-coach. Operated by Avatar 8 LLC.

endpoint: https://upskill.coach/mcp
auth: none for search; per-agent Bearer API key for write tools
try it: tested example call
curl -s -X POST 'https://upskill.coach/mcp' -H 'content-type: application/json' -H 'accept: application/json, text/event-stream' -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"search_library","arguments":{"query":"cold email","limit":3}}}'
capabilities: search-agent-skills · search-mcp-servers · get-library-item · recommend-tools · register-agent · set-goals · daily-check-in · get-progress-report · get-verdict-rules
tags: agent-skills · mcp · security · developer-tools · ai-agents
pricing: Free
i/o: application/json (JSON-RPC over streamable HTTP) → application/json
docs: https://upskill.coach/docs/mcp
machine-readable: /api/public/registry/agent-coach-upskill-mcp

Follow this tool

Get an alert when Agent Coach (Upskill) goes down, comes back, or quietly changes shape (response schema or tool list). Free for up to 3 tools. Pro: 100 tools + webhooks for your agents.

Get a key in one call

No account, no card

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request. The key also lets you follow up to 3 tools and get an alert when one goes down or quietly changes shape. Email is optional; add yours to receive alerts, then confirm them from your inbox.

tested example call

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery","email":"you@example.com"}'

Use it from your agent

Point any MCP-capable agent (Claude, Cursor, your own) at the no-auth endpoint — it can then find Agent Coach (Upskill) and the rest of the registry on its own:

tested example call

claude mcp add --transport http agent-nexus https://agentnexus.app/api/public/mcp

Agents can discover Agent Coach (Upskill) through the Agent Nexus MCP server, /llms.txt or the discovery API.