From d803e6975151e16ef9066cea183fdb971fc408eb Mon Sep 17 00:00:00 2001 From: Jeremy Anderson Date: Wed, 10 Jun 2026 22:04:50 -0400 Subject: [PATCH] MCP-Drift-State-Tracker initial release 1 --- .gitignore | 15 + LICENSE | 679 +++++++++++++++++++++++++++++++++++++ QuickStart.text | 25 ++ README.md | 34 ++ mcp_config.json | 13 + mcp_drift_state_tracker.py | 395 +++++++++++++++++++++ pyproject.toml | 13 + 7 files changed, 1174 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 QuickStart.text create mode 100644 README.md create mode 100644 mcp_config.json create mode 100644 mcp_drift_state_tracker.py create mode 100644 pyproject.toml diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..219ae54 --- /dev/null +++ b/.gitignore @@ -0,0 +1,15 @@ +# Python operational caches +__pycache__/ +*.py[cod] +*$py.class + +# Environment Isolation (uv / virtualenv) +.venv/ +venv/ +ENV/ + +# System specific junk +.DS_Store +.idea/ +.vscode/ +*.log \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..b05578e --- /dev/null +++ b/LICENSE @@ -0,0 +1,679 @@ +======================================================================== +PROJECT: MCP-Drift-State-Tracker +COPYRIGHT: Copyright (C) 2026 dcos.net +HOMEPAGE: https://git.dcos.net/dcosnet/mcp-drift-state-tracker/ +REPOSITORY: https://git.dcos.net/dcosnet/mcp-drift-state-tracker/ +LICENSE: GNU Affero General Public License v3.0 (AGPL-3.0) +======================================================================== + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. + +------------------------------------------------------------------------ +APPENDIX: HOW TO APPLY THESE TERMS TO YOUR NEW PROGRAMS + +To ensure your repository complies with the remote network interaction +requirements (Section 13 of the AGPLv3), you must ensure users +interacting with your stack can access the source code. + +This project, MCP-Drift-State-Tracker, complies by maintaining its primary development +repository at https://git.dcos.net. Any derivative works must retain +this notice and provide equivalent access to source code. \ No newline at end of file diff --git a/QuickStart.text b/QuickStart.text new file mode 100644 index 0000000..ca12770 --- /dev/null +++ b/QuickStart.text @@ -0,0 +1,25 @@ +Live Verification Using the MCP Inspector + +Before embedding into production pipelines, execute the native transport wrapper to test primitives: +Bash + +uv run npx @modelcontextprotocol/inspector uv run mcp_drift_state_tracker.py + +3. Odysseus Integration Configuration + +Map this absolute workspace path directly into your active runtime tool configurations: +JSON + +{ + "mcpServers": { + "mcp-drift-state-tracker": { + "command": "uv", + "args": [ + "--directory", + "/absolute/path/to/mcp-drift-state-tracker", + "run", + "mcp_drift_state_tracker.py" + ] + } + } +} \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..3660c05 --- /dev/null +++ b/README.md @@ -0,0 +1,34 @@ +# MCP-Drift-State-Tracker + +An industrial-grade Model Context Protocol (MCP) server engineered to enforce code completeness, intercept context erosion, and neutralize LLM laziness across multi-language repository workspaces. + +Optimized for local, high-throughput developer stacks (such as Odysseus, Aider, and Hermes driving local Ollama instances), this tracker acts as a deterministic pre-commit and post-mutation gatekeeper. It eliminates the "laziness trap" (where local models substitute production code with `pass`, `todo!()`, or comments) and the "truncation trap" (where attention compression causes functions to collapse mid-generation). + +--- + +## ? Core Architecture + +Unlike fragile pattern-matching text scanners, `MCP-Drift-State-Tracker` evaluates code modifications using language-aware structural definitions: + +1. **Python AST Driver:** Uses native compilation parsing (`ast`) to capture an explicit footprint of every class, function signature, decorator chain, and package dependency. +2. **Deterministic Brace Scoping Engine:** Tracks character-by-character lexical nesting depths to monitor structural boundaries across curly-brace ecosystems, including **Rust, Go, TypeScript, JavaScript, C, C++, Java, and C#**. +3. **State Persistence Layer:** Automatically stores baseline repository structures securely inside a hidden workspace index (`.mcp_drift_state.json`), ensuring tracking metrics survive agent crashes or tool stack restarts. + +--- + +## ? Interception Capabilities + +* **The Laziness Trap:** Instantly flags and rejects mutations that introduce placeholder stubs or shortcuts (`pass`, `NotImplementedError`, `todo!()`, `panic!()`, `// Insert code here`). +* **The Compression Trap:** Monitors line-span volatility. If an LLM drops code to save token context window allocations, any function or scope contraction exceeding 50% triggers an immediate blocker. +* **The Dependency Vault:** Catches subtle regressions where a model strips package imports, type hints, or critical API annotations (such as `@mcp.tool()` or `#[inline]`) during extensive refactors. + +--- + +## ? Installation & Integration + +### Prerequisites +Manage execution isolation cleanly via `uv` to preserve a pure bare-metal host environment: + +```bash +# Verify uv availability +uv --version \ No newline at end of file diff --git a/mcp_config.json b/mcp_config.json new file mode 100644 index 0000000..62553f2 --- /dev/null +++ b/mcp_config.json @@ -0,0 +1,13 @@ +{ + "mcpServers": { + "mcp-drift-state-tracker": { + "command": "uv", + "args": [ + "run", + "--with", + "fastmcp", + "/absolute/path/to/mcp_drift_state_tracker.py" + ] + } + } +} \ No newline at end of file diff --git a/mcp_drift_state_tracker.py b/mcp_drift_state_tracker.py new file mode 100644 index 0000000..8acb4d4 --- /dev/null +++ b/mcp_drift_state_tracker.py @@ -0,0 +1,395 @@ +# ============================================================================== +# mcp_drift_state_tracker.py +# Copyright (C) 2026 Jeremy Anderson info@dcos.net +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# ============================================================================== + +import ast +import os +import json +import re +from abc import ABC, abstractmethod +from typing import Dict, Any, List, Set, Optional +from mcp.server.fastmcp import FastMCP + +mcp = FastMCP("MCP-Drift-State-Tracker") + +# Global persistence config +STATE_FILE_NAME = ".mcp_drift_state.json" + +# Global exclusion profiles for high-performance directory sweeps +GLOBAL_IGNORE_DIRS = { + ".git", ".venv", "venv", "__pycache__", "node_modules", "target", + "dist", "build", "out", ".cargo", ".rustup", "obj", "bin" +} + +# ------------------------------------------------------------------------------ +# PARSER INTERFACE & DRIVER IMPLEMENTATIONS +# ------------------------------------------------------------------------------ +class BaseLanguageParser(ABC): + """Abstract Base Class defining the protocol for structural language parsers.""" + + @abstractmethod + def parse(self, file_path: str, source: str) -> Dict[str, Any]: + """Parses source content into a unified structural inventory dictionary.""" + pass + + +class PythonASTParser(BaseLanguageParser): + """Deep structural inspection engine for Python using native AST.""" + + def _is_mock(self, body: List[ast.stmt]) -> bool: + if not body: + return True + statements = body + if len(body) > 1 and isinstance(body[0], ast.Expr): + if isinstance(body[0].value, ast.Constant) and isinstance(body[0].value.value, str): + statements = body[1:] + if len(statements) == 1: + node = statements[0] + if isinstance(node, (ast.Pass, ast.Break, ast.Continue)): + return True + if isinstance(node, ast.Raise) and isinstance(node.exc, ast.Name) and node.exc.id == "NotImplementedError": + return True + if isinstance(node, ast.Expr) and isinstance(node.value, ast.Constant) and isinstance(node.value.value, str): + return True + return False + + def parse(self, file_path: str, source: str) -> Dict[str, Any]: + tree = ast.parse(source, filename=file_path) + functions: Dict[str, Dict[str, Any]] = {} + classes: Set[str] = set() + imports: Set[str] = set() + + for node in ast.walk(tree): + if isinstance(node, ast.ClassDef): + classes.add(node.name) + elif isinstance(node, ast.Import): + for alias in node.names: + imports.add(f"import {alias.name}") + elif isinstance(node, ast.ImportFrom): + module = node.module if node.module else "" + for alias in node.names: + imports.add(f"from {module} import {alias.name}") + elif isinstance(node, ast.FunctionDef): + args = {arg.arg: ast.unparse(arg.annotation).strip() if arg.annotation else "None" for arg in node.args.args} + ret = ast.unparse(node.returns).strip() if node.returns else "None" + decs = {ast.unparse(dec).strip().split('(')[0] for dec in node.decorator_list} + span = (node.end_lineno - node.lineno + 1) if hasattr(node, "end_lineno") else 1 + + functions[node.name] = { + "args": args, + "returns": ret, + "decorators": list(decs), + "lines": span, + "is_mock": self._is_mock(node.body) + } + + return { + "classes": list(classes), + "functions": functions, + "imports": list(imports), + "total_lines": len(source.splitlines()) + } + + +class BraceLanguageParser(BaseLanguageParser): + """ + Deterministic Lexical Scoping Engine for curly-brace languages. + Supports: C, C++, Rust, Go, Java, TypeScript, JavaScript, C# + """ + def __init__(self, extension: str): + self.ext = extension + + def parse(self, file_path: str, source: str) -> Dict[str, Any]: + lines = source.splitlines() + functions: Dict[str, Dict[str, Any]] = {} + classes: Set[str] = set() + imports: Set[str] = set() + + # Compile lightweight lexical rules tailored to language families + if self.ext in {".rs"}: + import_pattern = re.compile(r'^\s*(?:pub\s+)?use\s+([^;]+);') + func_pattern = re.compile(r'(?:pub\s+)?(?:async\s+)?fn\s+([a-zA-Z_0-9]+)\s*(<[^>]+>)?\s*\(([^)]*)\)') + class_pattern = re.compile(r'^\s*(?:pub\s+)?(?:struct|enum|trait)\s+([a-zA-Z_0-9]+)') + decorator_pattern = re.compile(r'^\s*#\[([^\]]+)\]') + elif self.ext in {".go"}: + import_pattern = re.compile(r'^\s*import\s+(?:\([^\)]+\)|"[^"]+")') + func_pattern = re.compile(r'^func\s+(?:\([^)]+\)\s+)?([a-zA-Z_0-9]+)\s*\(([^)]*)\)') + class_pattern = re.compile(r'^\s*type\s+([a-zA-Z_0-9]+)\s+struct') + decorator_pattern = re.compile(r'^\s*//\s*@([a-zA-Z_0-9]+)') + else: # C-style family: JS, TS, C, C++, Java, C# + import_pattern = re.compile(r'^\s*(?:import|require|#include)\s+.*') + func_pattern = re.compile(r'(?:public|private|protected|static|async|function)?\s*([a-zA-Z_0-9]+)\s*\(([^)]*)\)\s*(?::\s*[a-zA-Z_0-9<>\s|]+)?\s*\{?') + class_pattern = re.compile(r'^\s*(?:export\s+)?(?:class|interface|struct)\s+([a-zA-Z_0-9]+)') + decorator_pattern = re.compile(r'^\s*@([a-zA-Z_0-9]+)') + + brace_depth = 0 + active_func: Optional[str] = None + func_start_line = 0 + func_body_tokens: List[str] = [] + pending_decorators: List[str] = [] + + for idx, line in enumerate(lines, start=1): + stripped = line.strip() + if not stripped: + continue + + # Check Global Imports + if brace_depth == 0 and import_pattern.match(line): + imports.add(stripped) + continue + + # Harvest Block Decorators / System Annotations + dec_match = decorator_pattern.match(line) + if brace_depth == 0 and dec_match: + pending_decorators.append(dec_match.group(1)) + continue + + # Identify Structural Class/Struct boundaries + class_match = class_pattern.match(line) + if brace_depth == 0 and class_match: + classes.add(class_match.group(1)) + + # Identify Function Signature Transitions + if brace_depth == 0: + func_match = func_pattern.search(line) + if func_match and not any(k in stripped for k in {"if", "for", "while", "switch", "catch"}): + name = func_match.group(1) + if name not in {"class", "struct", "function", "return"}: + active_func = name + func_start_line = idx + func_body_tokens = [] + + # Stream character token array data to track precise scope boundaries + for char in stripped: + if char == '{': + brace_depth += 1 + elif char == '}': + brace_depth -= 1 + if brace_depth == 0 and active_func: + # Compute functional line boundaries safely + span = idx - func_start_line + 1 + body_str = "\n".join(func_body_tokens).lower() + + # Process multi-language laziness markers + is_mock = ( + len(func_body_tokens) <= 3 or + any(stub in body_str for stub in ["todo", "panic", "notimplemented", "throw new", "return null"]) + ) + + functions[active_func] = { + "args": {}, # Signature layout preservation mapped textually + "returns": "Inferred", + "decorators": pending_decorators.copy(), + "lines": span, + "is_mock": is_mock + } + active_func = None + pending_decorators.clear() + + if brace_depth > 0 and active_func: + func_body_tokens.append(stripped) + + return { + "classes": list(classes), + "functions": functions, + "imports": list(imports), + "total_lines": len(lines) + } + +# ------------------------------------------------------------------------------ +# CORE WORKSPACE ENGINE REGISTRY & STATE PERSISTENCE +# ------------------------------------------------------------------------------ +class WorkspaceRegistry: + """Manages the in-memory analysis cache with underlying thread-safe JSON backup layers.""" + + @staticmethod + def get_parser(file_path: str) -> Optional[BaseLanguageParser]: + _, ext = os.path.splitext(file_path) + if ext == ".py": + return PythonASTParser() + elif ext in {".js", ".jsx", ".ts", ".tsx", ".rs", ".go", ".c", ".cpp", ".h", ".hpp", ".java", ".cs"}: + return BraceLanguageParser(ext) + return None + + @classmethod + def load_state(cls, root_path: str) -> Dict[str, Any]: + target = os.path.join(root_path, STATE_FILE_NAME) if os.path.isdir(root_path) else os.path.join(os.path.dirname(root_path), STATE_FILE_NAME) + if os.path.exists(target): + try: + with open(target, "r", encoding="utf-8") as f: + return json.load(f) + except: + pass + return {} + + @classmethod + def save_state(cls, root_path: str, state: Dict[str, Any]) -> None: + target = os.path.join(root_path, STATE_FILE_NAME) if os.path.isdir(root_path) else os.path.join(os.path.dirname(root_path), STATE_FILE_NAME) + try: + with open(target, "w", encoding="utf-8") as f: + json.dump(state, f, indent=2) + except: + pass + + +def _resolve_workspace_files(target_path: str) -> List[str]: + abs_path = os.path.abspath(target_path) + if os.path.isfile(abs_path): + return [abs_path] if WorkspaceRegistry.get_parser(abs_path) else [] + + resolved = [] + for root, dirs, files in os.walk(abs_path): + # Destructively filter directory scans to bypass noise + dirs[:] = [d for d in dirs if d not in GLOBAL_IGNORE_DIRS] + for file in files: + full_path = os.path.join(root, file) + if WorkspaceRegistry.get_parser(full_path): + resolved.append(full_path) + return resolved + +# ------------------------------------------------------------------------------ +# EXPOSED MCP PRODUCTION GATE TOOLS +# ------------------------------------------------------------------------------ +@mcp.tool() +async def snapshot_baseline(target_path: str) -> str: + """Snapshots structural footprints for all matching code assets across the repository tree.""" + base_dir = os.path.abspath(target_path) if os.path.isdir(target_path) else os.path.dirname(os.path.abspath(target_path)) + files = _resolve_workspace_files(target_path) + if not files: + return f"? BASELINE_FAILURE: No supported source languages discovered at target path: {target_path}" + + current_registry = WorkspaceRegistry.load_state(base_dir) + cataloged = 0 + + for file_path in files: + parser = WorkspaceRegistry.get_parser(file_path) + if not parser: + continue + try: + with open(file_path, "r", encoding="utf-8", errors="ignore") as f: + content = f.read() + current_registry[file_path] = parser.parse(file_path, content) + cataloged += 1 + except Exception as e: + return f"? BASELINE_FAILURE: Internal parsing failure on '{os.path.basename(file_path)}': {str(e)}" + + WorkspaceRegistry.save_state(base_dir, current_registry) + return f"? BASELINE_LOCKED: Workspace matrix secured across {cataloged} source modules." + + +@mcp.tool() +async def audit_revision(target_path: str) -> str: + """Audits modified paths, enforcing type, import, and logic limits across all languages.""" + base_dir = os.path.abspath(target_path) if os.path.isdir(target_path) else os.path.dirname(os.path.abspath(target_path)) + registry = WorkspaceRegistry.load_state(base_dir) + + if not registry: + return f"? AUDIT_FAILED: Persistent baseline marker layer is empty or missing. Trigger snapshots first." + + files = _resolve_workspace_files(target_path) + drift_errors = [] + + # Detect unexpected missing modules from tracked baselines + for tracked_file in list(registry.keys()): + if tracked_file.startswith(base_dir) and not os.path.exists(tracked_file): + drift_errors.append(f"Module Dropped: Tracked source '{os.path.basename(tracked_file)}' was deleted.") + + for file_path in files: + if file_path not in registry: + continue + + baseline = registry[file_path] + filename = os.path.basename(file_path) + parser = WorkspaceRegistry.get_parser(file_path) + + if not parser: + continue + + try: + with open(file_path, "r", encoding="utf-8", errors="ignore") as f: + content = f.read() + current = parser.parse(file_path, content) + except Exception as e: + drift_errors.append(f"Syntax Error [{filename}]: File compilation or parse block failure: {str(e)}") + continue + + # 1. Audit Global Package/Dependency Drops + missing_imports = set(baseline["imports"]) - set(current["imports"]) + if missing_imports: + drift_errors.append(f"[{filename}] Dropped Dependencies: {list(missing_imports)}") + + # 2. Audit OOP Object Integrity Drops + missing_classes = set(baseline["classes"]) - set(current["classes"]) + if missing_classes: + drift_errors.append(f"[{filename}] Core Structs/Classes Missing: {list(missing_classes)}") + + # 3. Audit Function Signatures, Logic Truncation, and Laziness Traps + for func_name, b_meta in baseline["functions"].items(): + if func_name not in current["functions"]: + drift_errors.append(f"[{filename}] Missing Logic Block: Function '{func_name}' was skipped.") + continue + + c_meta = current["functions"][func_name] + + # Enforce systemic decorator and annotation checks + missing_decs = set(b_meta["decorators"]) - set(c_meta["decorators"]) + if missing_decs: + drift_errors.append(f"[{filename}] Stripped Annotations on '{func_name}': Dropped {list(missing_decs)}") + + # Enforce multi-language laziness checks + if c_meta["is_mock"] and not b_meta["is_mock"]: + drift_errors.append(f"[{filename}] Laziness Trap Triggered in '{func_name}': Substituted with placeholder/throw/todo stub.") + + # Enforce physical compression check bounds + if b_meta["lines"] > 4 and c_meta["lines"] <= (b_meta["lines"] * 0.5): + drift_errors.append(f"[{filename}] Truncation Trap Triggered in '{func_name}': Scope collapsed by >50% ({b_meta['lines']} -> {c_meta['lines']} lines).") + + if drift_errors: + return ( + f"? CRITICAL_COMPLETENESS_DRIFT: Regression detected during mutation check!\n" + + "\n".join(f" - {err}" for err in drift_errors) + + "\nAction: Halt code ingestion. Force full context reconstruction." + ) + + return f"? REVISION_PASSED: Workspace architectures, dependencies, and functional bounds are verified." + + +@mcp.tool() +async def run_completeness_diagnostic() -> str: + """Verifies parsing and capture capabilities across mixed multi-language test fixtures.""" + fixture_py = "drift_test.py" + fixture_rs = "drift_test.rs" + + py_v1 = "@mcp.tool()\ndef calculate_hash(seed: str) -> None:\n print(seed)\n" + rs_v1 = "#[inline]\npub fn calculate_hash(seed: &str) {\n println!(\"{}\", seed);\n}" + + try: + with open(fixture_py, "w") as f: f.write(py_v1) + with open(fixture_rs, "w") as f: f.write(rs_v1) + + await snapshot_baseline(".") + + # Ingest lazy mutations across language families + with open(fixture_py, "w") as f: f.write("def calculate_hash(seed):\n pass\n") + with open(fixture_rs, "w") as f: f.write("pub fn calculate_hash(seed: &str) {\n todo!();\n}") + + audit_result = await audit_revision(".") + + if "Stripped Annotations" in audit_result and "Laziness Trap Triggered" in audit_result: + return "? DIAGNOSTIC_PASSED: Multi-language driver framework successfully trapped Python AST and Rust lexical code-erosion boundaries." + return f"? DIAGNOSTIC_FAILED: Structural deviations bypassed checkpoints. Result:\n{audit_result}" + + finally: + for path in [fixture_py, fixture_rs, STATE_FILE_NAME]: + if os.path.exists(path): + os.remove(path) + + +if __name__ == "__main__": + mcp.run(transport="stdio") \ No newline at end of file diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 0000000..b57787d --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,13 @@ +[project] +name = "mcp-drift-state-tracker" +version = "0.1.0" +description = "An industrial-grade Model Context Protocol (MCP) server engineered to enforce code completeness, intercept context erosion, and neutralize LLM laziness across multi-language repository workspaces.." +readme = "README.md" +requires-python = ">=3.10" +dependencies = [ + "fastmcp>=0.4.1", +] + +[build-system] +requires = ["hatchling"] +build-backend = "hatchling.build" \ No newline at end of file