Added
- MCP direct tools for subagents - Agents can request specific MCP tools as first-class tools via
mcp:prefix in frontmatter:tools: read, bash, mcp:chrome-devtoolsortools: read, bash, mcp:github/search_repositories. Requires pi-mcp-adapter. MCP_DIRECT_TOOLSenv var - Subagent processes receive their direct tool config via environment variable. Agents withoutmcp:items get a__none__sentinel to prevent config leaking from the parent process.