posit-dev · joshyam-k · Jun 29, 2026 · Jun 29, 2026 · Jun 29, 2026
diff --git a/CLAUDE.md b/CLAUDE.md
@@ -207,8 +207,3 @@ The app mode determines how Connect runs the content. Manifests must specify the
 - Special deployment path for Snowflake Snowpark
 - `SPCSConnectServer` class for Snowflake-specific authentication
 - JWT generation in `snowflake.py`
-
-### MCP (Model Context Protocol)
-- Optional MCP support for deploying MCP servers (Python 3.10+)
-- Uses `fastmcp` library when available
-- See `mcp_deploy_context.py` for deployment context handling
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
@@ -31,11 +31,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   `--no-set-default` is passed. `CONNECT_SERVER` still takes precedence.
 - New `environment` subcommand for managing execution environments on Connect.
 - New `integration` subcommand for managing OAuth integrations on Connect.
-- Removed minimum Connect version indicators from CLI help for versions older
-  than 2024 (e.g. `[v2021.08.0+]`), since those releases are no longer supported.
-  Indicators for 2024 and newer versions are retained.
-- Removed references to Posit Cloud from command help and docstrings, as
-  publishing to Posit Cloud is no longer supported.
 
 ### Added
 
@@ -71,6 +66,18 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   `uv venv` and `uv sync` to populate the scaffolded project's virtualenv.
   `uv` installs as a self-contained wheel from PyPI alongside `rsconnect`.
 
+### Removed
+
+- Removed the experimental `rsconnect mcp-server` command. Modern coding agents
+  are already able to discover and invoke command-line tools directly, so the
+  command is no longer needed. The optional `mcp` install extra has also been
+  removed.
+- Removed minimum Connect version indicators from CLI help for versions older
+  than 2024 (e.g. `[v2021.08.0+]`), since those releases are no longer supported.
+  Indicators for 2024 and newer versions are retained.
+- Removed references to Posit Cloud from command help and docstrings, as
+  publishing to Posit Cloud is no longer supported.
+
 ### Fixed
 
 - Python virtual environments (e.g. `.venv`) in a Node.js project directory are

diff --git a/docs/commands/mcp-server.md b/docs/commands/mcp-server.md
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -55,7 +55,6 @@ nav:
       - system: commands/system.md
       - version: commands/version.md
       - write-manifest: commands/write-manifest.md
-      - mcp-server: commands/mcp-server.md
 
 
 theme:

diff --git a/pyproject.toml b/pyproject.toml
@@ -39,11 +39,9 @@ test = [
     "setuptools_scm[toml]>=3.4",
     "twine",
     "types-Flask",
-    "fastmcp==2.12.4; python_version >= '3.10'",
 ]
 keyring = ["keyring>=23.0.0"]
 snowflake = ["snowflake-cli"]
-mcp = ["fastmcp==2.12.4; python_version >= '3.10'"]
 docs = [
     "mkdocs-material",
     "mkdocs-click",

diff --git a/rsconnect/main.py b/rsconnect/main.py
@@ -15,7 +15,6 @@
 from typing import (
     Any,
     Callable,
-    Dict,
     ItemsView,
     Literal,
     Optional,
@@ -522,123 +521,6 @@ def version():
     click.echo(VERSION)
 
 
-@cli.command(
-    short_help="Start the Model Context Protocol (MCP) server.",
-    help=(
-        "Start a Model Context Protocol (MCP) server to expose rsconnect-python capabilities to AI applications "
-        "through a standardized protocol interface."
-        "\n\n"
-        "The MCP server exposes a single tool:\n\n"
-        "`get_command_info`:\n\n"
-        "  -  Provides detailed parameter schemas for any rsconnect command. "
-        "This provides context for an LLM to understand how to construct valid rsconnect "
-        "commands dynamically without hard-coded knowledge of the CLI."
-        "\n\n"
-        "System Requirements:\n\n"
-        "  - Python>=3.10\n"
-        "  - fastmcp"
-        "\n\n"
-        "The server runs in stdio mode, communicating via standard input/output streams."
-        "\n\n"
-        "Usage with popular LLM clients:\n\n"
-        "  -  [codex](https://developers.openai.com/codex/mcp/#configuration---cli)\n"
-        "  -  [claude code](https://docs.claude.com/en/docs/claude-code/mcp#option-3%3A-add-a-local-stdio-server)\n"
-        "  -  [VS Code](https://code.visualstudio.com/docs/copilot/customization/mcp-servers#_add-an-mcp-server)\n\n"
-        "The command `uvx --from rsconnect-python rsconnect mcp-server` is a simple option for use in each of "
-        "the above options."
-    ),
-)
-def mcp_server():
-    try:
-        from fastmcp import FastMCP
-        from fastmcp.exceptions import ToolError
-    except ImportError:
-        raise RSConnectException(
-            "The fastmcp package is required for MCP server functionality. "
-            "Install it with: pip install rsconnect-python[mcp]"
-        )
-
-    mcp = FastMCP("Connect MCP")
-
-    # Discover all commands at startup
-    from .mcp_deploy_context import discover_all_commands
-
-    all_commands_info = discover_all_commands(cli)
-
-    def get_command_info(
-        command_path: str,
-    ) -> Dict[str, Any]:
-        try:
-            # split the command path into parts
-            parts = command_path.strip().split()
-            if not parts:
-                available_commands = list(all_commands_info["commands"].keys())
-                return {"error": "Command path cannot be empty", "available_commands": available_commands}
-
-            current_info = all_commands_info
-            current_path = []
-
-            for _, part in enumerate(parts):
-                # error if we find unexpected additional subcommands
-                if "commands" not in current_info:
-                    return {
-                        "error": f"'{' '.join(current_path)}' is not a command group. Unexpected part: '{part}'",
-                        "type": "command",
-                        "command_path": f"rsconnect {' '.join(current_path)}",
-                    }
-
-                # try to return useful messaging for invalid subcommands
-                if part not in current_info["commands"]:
-                    available = list(current_info["commands"].keys())
-                    path_str = " ".join(current_path) if current_path else "top level"
-                    return {"error": f"Command '{part}' not found in {path_str}", "available_commands": available}
-
-                current_info = current_info["commands"][part]
-                current_path.append(part)
-
-            # still return something useful if additional subcommands are needed
-            if "commands" in current_info:
-                return {
-                    "type": "command_group",
-                    "name": current_info.get("name", parts[-1]),
-                    "description": current_info.get("description"),
-                    "available_subcommands": list(current_info["commands"].keys()),
-                    "message": f"The '{' '.join(parts)}' command requires a subcommand.",
-                }
-            else:
-                return {
-                    "type": "command",
-                    "command_path": f"rsconnect {' '.join(parts)}",
-                    "name": current_info.get("name", parts[-1]),
-                    "description": current_info.get("description"),
-                    "parameters": current_info.get("parameters", []),
-                    "shell": "bash",
-                }
-        except Exception as e:
-            raise ToolError(f"Failed to retrieve command info: {str(e)}")
-
-    # dynamically build docstring with top level commands
-    # note: excluding mcp-server here
-    available_commands = sorted(cmd for cmd in all_commands_info["commands"].keys() if cmd != "mcp-server")
-    commands_list = "\n    ".join(f"- {cmd}" for cmd in available_commands)
-
-    get_command_info.__doc__ = f"""Get the parameter schema for any rsconnect command.
-
-    Returns information about the parameters needed to construct an rsconnect command
-    that can be executed in a bash shell. Supports nested command groups of arbitrary depth.
-
-    Available top-level commands:
-    {commands_list}
-
-    :param command_path: space-separated command path (e.g., 'version', 'deploy notebook', 'content build add')
-    :return: dictionary with command parameter schema and execution metadata
-    """
-
-    mcp.tool(get_command_info)
-
-    mcp.run()
-
-
 def _test_server_and_api(server: str, api_key: str, insecure: bool, ca_cert: str | None):
     """
     Test the specified server information to make sure it works.  If so, a

diff --git a/rsconnect/mcp_deploy_context.py b/rsconnect/mcp_deploy_context.py