> ## Documentation Index
> Fetch the complete documentation index at: https://mcp-server-langgraph.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Build and Test Verification Summary

> Python Version: 3.10-3.12 (3.13 removed) Status: ✅ Ready for Production - [x] Removed Python 3.13 from supported versions due to Infisical dependen...

**Date**: 2025-10-11
**Python Version**: 3.10-3.12 (3.13 removed)
**Status**: ✅ Ready for Production

### ✅ Completed Tasks

#### 1. Python Version Support Update (November 2025)

* [x] **Dropped Python 3.10** - EOL approaching (Oct 2026), `datetime.fromisoformat()` Z-suffix bug
* [x] **Added Python 3.13** - Now stable and fully supported
* [x] Updated `.github/workflows/ci.yaml` test matrix to \[3.11, 3.12, 3.13]
* [x] Updated `pyproject.toml`: `requires-python = ">=3.11,<3.14"`
* [x] Updated classifiers to include Python 3.13
* [x] Updated documentation (README, CONTRIBUTING, onboarding docs)

#### 2. Test Coverage Improvements

* [x] Improved test coverage from 45% to 84.83%
* [x] Added 11 new unit tests for llm\_validators.py and mcp\_streaming.py
* [x] Created `.coveragerc` configuration file
* [x] All unit tests passing on Python 3.11, 3.12, 3.13

#### 3. CI/CD Status

* [x] Tests passing on Python 3.11, 3.12, 3.13
* [x] Lint and code quality checks configured for Python 3.12
* [x] Security scans configured for Python 3.12
* [x] Docker builds working correctly

### 📋 Key Changes Made

#### Workflow Updates

* **ci.yaml**: Python 3.13 → 3.12 (test and lint jobs)
* **pr-checks.yaml**: Test matrix updated to \[3.11, 3.12, 3.13]
* **pr-checks.yaml**: Coverage upload condition changed to Python 3.12

#### Package Configuration

```javascript theme={null}
## pyproject.toml
requires-python = ">=3.11,<3.14"
classifiers = [
    "Programming Language :: Python :: 3.11",
    "Programming Language :: Python :: 3.12",
    "Programming Language :: Python :: 3.13",
]
```

#### Documentation Updates

* **CLAUDE.md**: Updated Import Errors section to clarify Python 3.13 not supported
* **AGENTS.md**: Updated Import Errors section to clarify Python 3.13 not supported

### 🐛 Issue Resolved

#### Python 3.13 Incompatibility

**Problem**: infisical-python package not compatible with Python 3.13

* PyO3 version 0.20.3 (used by infisical-python) only supports up to Python 3.12
* Error: "the configured Python interpreter version (3.13) is newer than PyO3's maximum supported version (3.12)"

**Solution**:

* Removed Python 3.13 from supported versions
* Set explicit upper bound: `<3.13`
* CI/CD now uses Python 3.12 for linting, security scans, and coverage uploads
* Test matrix covers Python 3.10, 3.11, 3.12

### 🧪 Testing Status

#### Unit Tests

* ✅ 126 unit tests passing
* ✅ Test coverage: 84.83% (exceeds 80% target)
* ✅ All tests verified on Python 3.10, 3.11, 3.12

#### Coverage by Module

```text theme={null}

Name                   Stmts   Miss Branch BrPart  Cover
------------------------------------------------------------------
src/mcp_server_langgraph/core/agent.py                  93     26     12      4    70%
src/mcp_server_langgraph/auth/middleware.py                  104      1     28      2    98%
src/mcp_server_langgraph/core/config.py                 95      9     24     11    82%
health_check.py           67      0     10      0   100%
llm_validators.py         88     13      8      1    83%
mcp_streaming.py          90     13     10      0    83%
observability.py         117     14      8      3    85%
openfga_client.py        100      0      2      0   100%
pydantic_ai_src/mcp_server_langgraph/core/agent.py      94     42     16      2    56%
secrets_manager.py       125      7     30      2    92%
------------------------------------------------------------------
TOTAL                    973    125    148     25    85%
```

#### Integration Tests

* ✅ OpenFGA integration tests passing
* ✅ Authentication/authorization tests passing
* ✅ MCP protocol tests passing

### 📦 Dependencies

All dependencies from `requirements-pinned.txt` are compatible with Python 3.10-3.12:

* ✅ langgraph>=0.2.28
* ✅ langchain-core>=0.3.15
* ✅ litellm>=1.52.3
* ✅ mcp>=1.1.2
* ✅ PyJWT>=2.8.0
* ✅ opentelemetry-api>=1.22.0
* ✅ openfga-sdk>=0.5.1
* ⚠️ infisical-python>=2.1.7 (requires Python \<3.13)
* ✅ pydantic>=2.5.3
* ✅ pydantic-ai>=1.0.0

### 📝 Notes

* Python 3.13 was released in October 2024 but not yet supported by infisical-python
* Python 3.10-3.12 are fully supported and tested
* All CI/CD pipelines updated to test on Python 3.10, 3.11, 3.12
* Docker image should use python:3.12-slim (or 3.11-slim) for compatibility
* Future: Monitor infisical-python updates for Python 3.13 support

### ✅ Verification Checklist

* [x] Repository synchronized with origin/main
* [x] Python version constraints updated in all configuration files
* [x] CI/CD workflows updated to remove Python 3.13
* [x] Documentation updated to reflect Python version requirements
* [x] All tests passing on Python 3.10, 3.11, 3.12
* [x] Test coverage meets 80% target (84.83%)
* [x] No Python 3.13 references in workflows or package configs

### 🔄 Next Steps

1. Monitor infisical-python for Python 3.13 support
2. When infisical-python adds Python 3.13 support, re-enable it by:
   * Updating `python_requires` and `requires-python` to `">=3.10"`
   * Adding Python 3.13 to CI/CD test matrix
   * Adding Python 3.13 classifier to pyproject.toml
   * Updating documentation

### 📊 Impact Assessment

* **Low Risk**: Change only affects build/test infrastructure
* **No Breaking Changes**: Existing deployments on Python 3.10-3.12 unaffected
* **Improved Reliability**: Removes failing CI/CD checks
* **Clear Documentation**: Users know which Python versions are supported