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Use when querying another registered workspace with Miller, comparing repos, opening a workspace, or routing search/inspect/context/impact/trace through workspace_id.
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Based on SOC occupation classification
Use before changing existing indexed files with Miller edit, especially symbol rewrites, text replacements, renames, or refactors.
Use when an agent needs extractor-recognized code-shape facts such as routes, htmx attributes, Alpine directives, SQL DDL/DML, or data-document structure.
Use when starting a Miller task, choosing a Miller tool, or choosing a Miller search mode.
Use when tracing Miller bridge paths in supported providers: dotnet-web URL literals and fetch/axios client requests to ASP.NET signals, client requests to Next.js route handlers or Nuxt server routes, Next.js/Nuxt route references to file routes, Vue/React references to route definitions, or backend-http client requests to Express/FastAPI/Flask/Django/Spring/Go/gin/echo/Rails/NestJS/Laravel/Phoenix/axum/actix/Symfony/Ktor route facts.
Use when orienting on an unfamiliar code area with Miller, explaining a module, finding entry points, or gathering context before a change.
Use when assessing blast radius with Miller, choosing tests for a change, answering who uses a symbol, or planning a refactor.
| name | miller-cross-workspace |
| description | Use when querying another registered workspace with Miller, comparing repos, opening a workspace, or routing search/inspect/context/impact/trace through workspace_id. |
| user-invocable | true |
| arguments | <workspace path, display id, or cross-repo task> |
| allowed-tools | mcp__miller__workspace, mcp__miller__search, mcp__miller__inspect, mcp__miller__context, mcp__miller__impact, mcp__miller__trace |
Miller can read registered workspaces without changing directories. Use workspace_id on read tools instead of shelling into another repo.
List known workspaces:
workspace(operation="list")
Valid workspace_id selectors:
currentprimaryPrime a repo that is not registered yet:
workspace(operation="open", path="<absolute-root>")
workspace open primes the index; it does not switch the live MCP server workspace.
Pass the selector to the read tool:
search(workspace_id="<selector>", query="<query>")
inspect(workspace_id="<selector>", target="<symbol-or-file>")
context(workspace_id="<selector>", query="<task>")
impact(workspace_id="<selector>", target="<symbol-or-file>")
trace(workspace_id="<selector>", target="<symbol>")
Explicit workspace_id defaults to refresh-first. Set ensure_fresh=false only when a fast, possibly stale read is acceptable.
Mention:
Do not manually cd and repeat shell searches when a Miller read tool can route to the workspace.