goodbye modes 1

docs/mcp_protocol_proxy_inventory.md

@@ -1,6 +1,6 @@
 # MCP Protocol Proxy Inventory
 
-This document records observed behavior of `wf-mcp` unified mode against real
+This document records observed behavior of the `wf-mcp` server against real
 upstream MCP servers. It is not a design spec. It is a fact log for deciding
 which proxy features need explicit implementation.
 
@@ -23,7 +23,7 @@ everything.default
 Proxy mode:
 
 ```text
-wf-mcp serve --mode unified
+wf-mcp serve
 ```
 
 ### Working

docs/superpowers/plans/2026-05-16-retire-legacy-mcp-modes.md

@@ -49,7 +49,7 @@ Remove the public `serve --mode broker` and `serve --mode proxy` choices.
 
 After this pass:
 
-- `wf-mcp serve` runs the unified surface
+- `wf-mcp serve` runs the server surface
 - users no longer choose among three product modes
 - docs should describe one server behavior, not a mode matrix
 
@@ -76,7 +76,7 @@ These packages still represent useful implementation boundaries:
 - `wf_mcp.server`
 
 `transparent_proxy` is already partly a legacy package name, but the code inside
-it still owns real proxy-mounting mechanics used by unified mode. Rename or
+it still owns real proxy-mounting mechanics used by the server. Rename or
 re-home that code only as a later cleanup if the package name becomes a real
 source of confusion.
 

docs/wf_mcp_architecture.md

@@ -101,11 +101,12 @@ The current practical proxy roadmap, including which FastMCP gaps are worth
 working around locally and which should stay upstream-dependent for now, lives
 in [`wf_mcp_proxy_reality_and_roadmap.md`](wf_mcp_proxy_reality_and_roadmap.md).
 
-The public MCP mode split is now being retired. The current execution plan is
+The public MCP mode split has been retired. The execution plan is
 [`superpowers/plans/2026-05-16-retire-legacy-mcp-modes.md`](superpowers/plans/2026-05-16-retire-legacy-mcp-modes.md):
-`broker` and `proxy` are legacy public launch surfaces, while unified behavior
-is the intended product surface. Internal concern packages remain useful even
-after the public mode choices disappear.
+`broker` and `proxy` were legacy public launch surfaces, while the ordinary
+server now exposes both local capabilities and proxied upstream capabilities.
+Internal concern packages remain useful even though the public mode choices are
+gone.
 
 ## Future Extraction
 

docs/wf_mcp_capability_sources.md

@@ -2,8 +2,8 @@
 
 `wf_mcp` should model capabilities before it models MCP server tool lists.
 Tools, workflow node specs, prompts, resources, and admin controls all belong to
-a source. Broker mode, transparent proxy mode, workflow planning, and future UI
-surfaces are projections of those sources.
+a source. The MCP server, workflow planning, and future UI surfaces are
+projections of those sources.
 
 This avoids the current trap where broker admin tools, transparent proxy admin
 tools, workflow node specs, and upstream MCP tools all look like unrelated
@@ -237,15 +237,15 @@ names.
 
 ## Migration Path
 
-1. Add explicit admin MCP exposure controls for broker mode.
-2. Project broker admin tools from `wf.admin` only when admin MCP exposure is
+1. Keep explicit admin MCP exposure controls on the server surface.
+2. Project admin tools from `wf.admin` only when admin MCP exposure is
    enabled.
 3. Add source-level enable/disable operations backed by `wf.admin`.
 4. Add persisted source policy so source visibility survives process restart.
 5. Add system prompts/resources for `wf.std` and `wf.mcp` manuals.
 
-The implementation should avoid having broker mode and transparent proxy mode
-define separate copies of the same admin/control capabilities.
+The implementation should avoid having separate backend layers define copies of
+the same admin/control capabilities.
 
 ## Current Inventory Surfaces
 

docs/workflow_artifacts.md

@@ -51,16 +51,15 @@ new workflow artifacts are saved. A stable `run_deployment` tool lets an LLM
 test saved workflows immediately without requiring dynamic tool registration or
 tool-list notifications to work perfectly.
 
-This control surface should not fork between broker mode and transparent proxy
-mode. The project currently has two MCP exposure styles:
+This control surface should not fork between backend service layers. The public
+server now has one exposure style, but internally it still combines:
 
-- compatibility broker tools such as list/call wrappers
-- transparent proxy projection through MCP `tools/list` and `tools/call`
+- service-backed local workflow/admin tools
+- upstream proxy projection through MCP `tools/list` and `tools/call`
 
 Workflow artifact operations should be defined once and projected through the
-chosen MCP server surface. If broker and transparent modes remain as launch
-options, they should share the same platform service instead of owning separate
-workflow registries or separate run semantics.
+server surface instead of owning separate workflow registries or separate run
+semantics.
 
 Dynamic projection of saved workflows as individual MCP tools can exist later,
 but it should be optional. The stable run tool is the reliable base layer.

src/wf_mcp/__init__.py

@@ -1,7 +1,5 @@
 from .broker import (
     load_broker_config,
-    run_broker_server,
-    run_transparent_proxy_server,
     WfMcpService,
 )
 from .capabilities import (
@@ -39,7 +37,5 @@ __all__ = [
     "create_transparent_proxy_client",
     "create_transparent_proxy_server",
     "load_broker_config",
-    "run_broker_server",
-    "run_transparent_proxy_server",
     "validate_transparent_proxy_config",
 ]

src/wf_mcp/broker/__init__.py

@@ -5,11 +5,7 @@ from .discovery import (
     specs_from_discovered_tools,
 )
 from .events import McpEvent, make_event
-from .server import (
-    create_broker_server,
-    run_broker_server,
-    run_transparent_proxy_server,
-)
+from .server import create_broker_server
 from .config import build_service_from_config, load_broker_config
 from .transport import normalize_transport
 from .service import WfMcpService
@@ -24,8 +20,6 @@ __all__ = [
     "discover_connection_capabilities",
     "load_broker_config",
     "make_event",
-    "run_broker_server",
-    "run_transparent_proxy_server",
     "snapshot_from_specs",
     "specs_from_discovered_tools",
     "normalize_transport",

src/wf_mcp/broker/server.py

@@ -1,18 +1,12 @@
 from __future__ import annotations
 
-import os
-from pathlib import Path
-
 from mcp.server.fastmcp import FastMCP
 
-from ..transparent_proxy import create_transparent_proxy_server
 from .artifact_tools import register_artifact_tools
-from .config import build_service_from_config, load_broker_config
 from .prompts import register_broker_prompts
 from .resources import register_broker_resources
 from .service import WfMcpService
 from .tools import register_broker_tools
-from .transport import normalize_transport
 
 
 def create_broker_server(service: WfMcpService) -> FastMCP:
@@ -31,38 +25,3 @@ def create_broker_server(service: WfMcpService) -> FastMCP:
     register_broker_prompts(server, service)
     return server
 
-
-def main() -> None:
-    config_path = os.environ.get("WF_MCP_CONFIG", "wf_mcp.config.json")
-    transport_env = os.environ.get("WF_MCP_TRANSPORT", "stdio")
-    run_broker_server(config_path, transport_env)
-
-
-def run_broker_server(config_path: str | Path, transport: str = "stdio") -> None:
-    config = load_broker_config(config_path)
-    service = build_service_from_config(config)
-    server = create_broker_server(service)
-    server.run(transport=normalize_transport(transport))
-
-
-def run_transparent_proxy_server(
-    config_path: str | Path,
-    transport: str = "stdio",
-    *,
-    resources_as_tools: bool = False,
-    prompts_as_tools: bool = False,
-    search_tools: bool = False,
-) -> None:
-    config = load_broker_config(config_path)
-    server = create_transparent_proxy_server(
-        config,
-        config_path=config_path,
-        resources_as_tools=resources_as_tools,
-        prompts_as_tools=prompts_as_tools,
-        search_tools=search_tools,
-    )
-    server.run(transport=normalize_transport(transport), show_banner=False)
-
-
-if __name__ == "__main__":
-    main()

src/wf_mcp/cli.py

@@ -9,8 +9,6 @@ from typing import Any
 from .broker import (
     build_service_from_config,
     load_broker_config,
-    run_broker_server,
-    run_transparent_proxy_server,
 )
 from .server import run_unified_proxy_server
 
@@ -25,18 +23,12 @@ def build_parser() -> argparse.ArgumentParser:
 
     subparsers = parser.add_subparsers(dest="command", required=True)
 
-    serve = subparsers.add_parser("serve", help="Run the broker MCP server.")
+    serve = subparsers.add_parser("serve", help="Run the MCP server.")
     serve.add_argument(
         "--transport",
         default="stdio",
         choices=["stdio", "sse", "streamable-http", "streamable_http"],
-        help="Transport to run the broker server with.",
-    )
-    serve.add_argument(
-        "--mode",
-        default="proxy",
-        choices=["broker", "proxy", "unified"],
-        help="Run broker mode, transparent proxy mode, or unified mode.",
+        help="Transport to run the MCP server with.",
     )
     serve.add_argument(
         "--resources-as-tools",
@@ -57,7 +49,7 @@ def build_parser() -> argparse.ArgumentParser:
         "--no-admin-tools",
         dest="admin_tools",
         action="store_false",
-        help="Hide wf.admin.* tools in unified mode.",
+        help="Hide wf.admin.* tools.",
     )
     serve.set_defaults(admin_tools=True)
 
@@ -122,17 +114,6 @@ def main(argv: list[str] | None = None) -> int:
     args = parser.parse_args(argv)
 
     if args.command == "serve":
-        if args.mode == "proxy":
-            run_transparent_proxy_server(
-                args.config,
-                args.transport,
-                resources_as_tools=args.resources_as_tools,
-                prompts_as_tools=args.prompts_as_tools,
-                search_tools=args.search_tools,
-            )
-        elif args.mode == "broker":
-            run_broker_server(args.config, args.transport)
-        else:
         config = load_broker_config(args.config)
         run_unified_proxy_server(
             config,

src/wf_mcp/transparent_proxy/runtime.py

@@ -43,7 +43,7 @@ class ProxyRuntime:
     """Mount configured upstream MCP connections into one FastMCP server.
 
     The `transparent_proxy` package name is compatibility history. This runtime
-    is now the shared proxy mounting engine used by unified mode too.
+    is now the shared proxy mounting engine used by the public server surface.
     """
 
     def __init__(

tests/wf_mcp/test_cli.py

@@ -38,7 +38,6 @@ def test_build_parser_accepts_serve_transport() -> None:
 
     assert args.command == "serve"
     assert args.transport == "streamable_http"
-    assert args.mode == "proxy"
     assert args.resources_as_tools is False
     assert args.prompts_as_tools is False
     assert args.search_tools is False
@@ -58,15 +57,16 @@ def test_build_parser_accepts_proxy_compatibility_flags() -> None:
     )
 
     assert args.command == "serve"
-    assert args.mode == "proxy"
     assert args.resources_as_tools is True
     assert args.prompts_as_tools is True
     assert args.search_tools is True
 
 
-def test_build_parser_accepts_unified_mode() -> None:
+def test_build_parser_rejects_legacy_mode_flag() -> None:
     parser = build_parser()
-    args = parser.parse_args(
+
+    with pytest.raises(SystemExit):
+        parser.parse_args(
             [
                 "--config",
                 "wf_mcp.config.json",
@@ -76,10 +76,6 @@ def test_build_parser_accepts_unified_mode() -> None:
             ]
         )
 
-    assert args.command == "serve"
-    assert args.mode == "unified"
-    assert args.admin_tools is True
-
 
 def test_build_parser_accepts_no_admin_tools_flag() -> None:
     parser = build_parser()
@@ -88,14 +84,11 @@ def test_build_parser_accepts_no_admin_tools_flag() -> None:
             "--config",
             "wf_mcp.config.json",
             "serve",
-            "--mode",
-            "unified",
             "--no-admin-tools",
         ]
     )
 
     assert args.command == "serve"
-    assert args.mode == "unified"
     assert args.admin_tools is False