No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
mcp has 284.6M monthly downloads and 24K GitHub stars. Version 1.28.1 supports Python 3.10+, first published in 2012.
It is actively maintained under a permissive license, last released in Jun 2026.
It is built on top of anyio, httpx and httpx-sse. It is used by 17,379 tracked packages, including browser-use, semgrep and strands-agents.
Package Insights
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
91
Adoption
90
Community
80
Provenance
100
How the maintenance status was determined
Last commit
4 days ago
Monthly downloads
284,575,935
•
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
284,575,935
Stars
23,540
Stars per 1k downloads
0.08
•
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
10,477,238
Month daily avg
9,485,864
Momentum
+10.5%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.10
Cutting Edge
Minimum supported version is 3.12 or newer
•
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
10 days ago
Total releases
63
Releases/year
4.5
Rapid
Last release within 365 days and > 12 releases/year
•
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
207
Monthly downloads
284,575,935
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
•
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
70
Issue Burden
10.5
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
5.7%
contrib / forks
Stale Release
No
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
7.1M
Windows
183.2K
macOS
123.3K
Python Versions
3.12
34.4%
2.5M
3.13
30.4%
2.2M
3.11
20.2%
1.5M
3.10
8.3%
604.8K
3.14
6.8%
495.9K
Top Countries
1.
US
5.8M
US
2.
SG
341.9K
SG
3.
GB
198.9K
GB
4.
NL
126.6K
NL
5.
DE
100.8K
DE
6.
IN
98.5K
IN
7.
JP
66.2K
JP
8.
CN
55.1K
CN
9.
FI
53.7K
FI
10.
IE
47.0K
IE
Dependencies
14
- anyio >=4.5
- httpx <1.0.0,>=0.27.1
- httpx-sse >=0.4
- jsonschema >=4.20.0
- pydantic <3.0.0,>=2.11.0
- pydantic-settings >=2.5.2
- pyjwt >=2.10.1
- python-multipart >=0.0.9
- pywin32 >=310
- sse-starlette >=1.6.1
- starlette >=0.27
- typing-extensions >=4.9.0
- typing-inspection >=0.4.1
- uvicorn >=0.31.1
4 optional dependencies
- python-dotenv[cli]
- rich[rich]
- typer[cli]
- websockets[ws]
Used By
17379
- browser-use
- semgrep
- strands-agents
- openai-agents
- fastapi-mcp
- claude-agent-sdk
- google-adk
- crewai
- langchain-mcp-adapters
- openhands-ai
- browsergym-core
- vllm
- semantic-kernel
- mcp-proxy
- mistral-vibe
- open-webui
- lean-lsp-mcp
- mcp-atlassian
- databricks-mcp
- verifiers
- awslabs-aws-documentation-mcp-server
- excel-mcp-server
- mcp-server-fetch
- mcp-server-git
- uipath-langchain
- chainlit
- claude-code-sdk
- web-forager
- awslabs-aws-api-mcp-server
- awslabs-billing-cost-management-mcp-server
- blender-mcp
- uipath-dev
- mcp-server-time
- kosong
- mcp-server-duckdb
- code-review-graph
- pyucis
- openviking
- cli-mcp-server
- cloudsmith-cli
- sap-cloud-sdk
- mcp-use
- pdf-tools-mcp
- data-designer-engine
- cuga
- snowflake-labs-mcp
- mcpadapt
- mcpforunityserver
- awslabs-cloudwatch-mcp-server
- tooluniverse
Package Information
License
MIT
First Release
August 14, 2012
Last Release
1 week ago
Last Commit
5 days ago
Latest Version
1.28.1
Total Releases
63
Contributors
207
Open PRs
277
Archived
No
Author
Anthropic, PBC.
Python Versions
3
3.10
3.11
3.12
3.13
3.14
Wheels
py3
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh