metrics-common

Shared Prometheus instrumentation for Sauron MCP servers.

instrument_tool_calls(mcp, service_name) — wraps every @mcp.tool(...) registered after this call with call-count and latency metrics.
MetricsMiddleware — ASGI middleware that serves GET /metrics (Prometheus text exposition format) and records per-request count/latency for everything else. Wrap it as the outermost layer, e.g.:
```
app = MetricsMiddleware(AuthMiddleware(mcp.streamable_http_app()), service_name="dynamics")
```

Publishing

Use the release script to bump patch version, build, and publish to PyPI:

export PYPI_TOKEN=pypi-...
./scripts/release.sh

The script requires a PyPI API token set via PYPI_TOKEN environment variable. Create a token at https://pypi.org/manage/account/tokens/

Metadata

Release files for metrics-common 0.1.1

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for metrics-common 0.1.1
File	Size	Uploaded	Provenance
metrics_common-0.1.1.tar.gz	6.8 kB	Aug 26, 2026	Without provenance	Details

Built distribution (wheel)

Table of built distributions (wheels) for metrics-common 0.1.1
File	Interpreter	ABI	Platform	Reset
metrics_common-0.1.1-py3-none-any.whl 3.6 kB Aug 26, 2026 Without provenance	Python 3	none	any	Details

Total release size: 10.4 kB

Release files / metrics_common-0.1.1.tar.gz

Download URL	metrics_common-0.1.1.tar.gz
Size	6.8 kB
Tags	Source
SHA-256 checksum How to use checksums	`db77f82d16cbfa2cef0c30e35bd260c87ca5997fba5260af6efb6a4463ade0c1`
BLAKE2b-256 checksum How to use checksums	`4443491eb2c2e32900cea53c2e984e9bc818907431d2b4a3285c97a75524d182`
Upload date	Aug 26, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`uv/0.10.6 {"installer":{"name":"uv","version":"0.10.6","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"macOS","version":null,"id":null,"libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":null}`

Release files / metrics_common-0.1.1-py3-none-any.whl

Download URL	metrics_common-0.1.1-py3-none-any.whl
Size	3.6 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`330285fbad2140744413e132774bef0189bc34a0010873738be017623a36787f`
BLAKE2b-256 checksum How to use checksums	`bebe632dfe8b3406e3a22fbc964e271bc0a73eed21af2a54054cc970f7437881`
Upload date	Aug 26, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`uv/0.10.6 {"installer":{"name":"uv","version":"0.10.6","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"macOS","version":null,"id":null,"libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":null}`

Security for metrics-common 0.1.1

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