mcp-compressor Python SDK
Python SDK and CLI wrapper for mcp-compressor.
The public Python import is mcp_compressor:
from mcp_compressor import CompressorClient
Quick start
The primary SDK object is CompressorClient. It starts a local session and returns a CompressorProxy; no mcp-compressor stdio subprocess is required.
from mcp_compressor import CompressorClient
servers = {
"alpha": {
"command": "python",
"args": ["alpha_server.py"],
},
"atlassian": {
"url": "https://mcp.atlassian.com/v1/mcp",
},
}
with CompressorClient(
servers=servers,
mode="compressed",
compression_level="medium",
include_tools=["getConfluencePage", "updateConfluencePage"],
toonify=True,
) as proxy:
print([tool.name for tool in proxy.tools])
result = proxy.invoke(
"getAccessibleAtlassianResources",
{},
server="atlassian",
)
print(result)
Modes
CompressorClient accepts these modes:
compressed— expose compressed wrapper tools such as<server>_get_tool_schemaand<server>_invoke_tool.cli— expose CLI/help tools for generated shell command usage.bash— expose Just Bash command integration for command-oriented agents.
Generated Python and TypeScript clients are produced with proxy.write_client(...) rather than by selecting a long-lived session mode.
Just Bash metadata
Just Bash mode lets language hosts register backend MCP tools as shell-style commands:
from mcp_compressor import CompressorClient, create_just_bash_commands
with CompressorClient(servers=servers, mode="bash") as proxy:
commands = {cmd.command_name: cmd for cmd in create_just_bash_commands(proxy)}
print(commands["atlassian_get-accessible-atlassian-resources"]([]))
Duplicate backend command names are prefixed with the provider name, for example alpha_echo and beta_echo.
Generated clients
A connected proxy can write shell, Python, or TypeScript clients that call the live proxy:
with CompressorClient(servers=servers, compression_level="max") as proxy:
proxy.write_client("cli", "./bin", name="atlassian")
proxy.write_client("python", "./generated-py", name="atlassian")
proxy.write_client("typescript", "./generated-ts", name="atlassian")
Packaging smoke test
Build a local wheel and verify it imports from a clean virtualenv:
uvx maturin build --release --out dist
python -m venv /tmp/mcp-compressor-wheel-test
/tmp/mcp-compressor-wheel-test/bin/python -m pip install "$PWD"/dist/*.whl
cd /tmp
/tmp/mcp-compressor-wheel-test/bin/python -c "from mcp_compressor import CompressorClient, ToolSpec"
CI runs the same kind of wheel smoke test before uploading the built wheel as an artifact.
Advanced helpers
Low-level helpers such as compress_tool_listing, parse_tool_argv, and ToolSpec remain available for tests and advanced integrations, but the primary SDK entry point is CompressorClient.
1 maintainer
Metadata
1 maintainer
Release files for mcp-compressor 0.34.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
|---|---|---|---|---|
| mcp_compressor-0.34.0.tar.gz | 179.2 kB | Without provenance | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| mcp_compressor-0.34.0-cp311-abi3-win_amd64.whl | CPython 3.11 | abi3 | Windows x86-64 | Details |
| mcp_compressor-0.34.0-cp311-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl | CPython 3.11 | abi3 | Linux glibc 2.17+ x86-64 | Details |
| mcp_compressor-0.34.0-cp311-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl | CPython 3.11 | abi3 | Linux glibc 2.17+ ARM64 | Details |
| mcp_compressor-0.34.0-cp311-abi3-macosx_11_0_arm64.whl | CPython 3.11 | abi3 | macOS 11.0+ ARM64 | Details |
| mcp_compressor-0.34.0-cp311-abi3-macosx_10_12_x86_64.whl | CPython 3.11 | abi3 | macOS 10.12+ x86-64 | Details |
Total release size: 42.6 MB
Release files / mcp_compressor-0.34.0.tar.gz
| Download URL | mcp_compressor-0.34.0.tar.gz |
|---|---|
| Size | 179.2 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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|
Release files / mcp_compressor-0.34.0-cp311-abi3-win_amd64.whl
| Download URL | mcp_compressor-0.34.0-cp311-abi3-win_amd64.whl |
|---|---|
| Size | 7.9 MB |
| Tags | CPython 3.11 Windows x86-64 abi3 |
|
SHA-256 checksum How to use checksums |
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| Uploaded via |
uv/0.12.24 {"installer":{"name":"uv","version":"0.12.24","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
|
Release files / mcp_compressor-0.34.0-cp311-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
| Download URL | mcp_compressor-0.34.0-cp311-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
|---|---|
| Size | 8.9 MB |
| Tags | CPython 3.11 Linux glibc 2.17+ x86-64 abi3 |
|
SHA-256 checksum How to use checksums |
2ea046af3523b9bf6929bd7b29cbf81f7e3c5677f2d622052076bb7f28f744ab
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| Uploaded via |
uv/0.12.24 {"installer":{"name":"uv","version":"0.12.24","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}
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Release files / mcp_compressor-0.34.0-cp311-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl
| Download URL | mcp_compressor-0.34.0-cp311-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl |
|---|---|
| Size | 9.1 MB |
| Tags | CPython 3.11 Linux glibc 2.17+ ARM64 abi3 |
|
SHA-256 checksum How to use checksums |
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Release files / mcp_compressor-0.34.0-cp311-abi3-macosx_11_0_arm64.whl
| Download URL | mcp_compressor-0.34.0-cp311-abi3-macosx_11_0_arm64.whl |
|---|---|
| Size | 8.2 MB |
| Tags | CPython 3.11 abi3 macOS 11.0+ ARM64 |
|
SHA-256 checksum How to use checksums |
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| Download URL | mcp_compressor-0.34.0-cp311-abi3-macosx_10_12_x86_64.whl |
|---|---|
| Size | 8.4 MB |
| Tags | CPython 3.11 abi3 macOS 10.12+ x86-64 |
|
SHA-256 checksum How to use checksums |
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