PyPI · #4316 most downloaded on PyPI

mcp-proxy

0.12.0867K downloads/mosparfenyuk/mcp-proxy ↗New releases in your daily digest, changelog included.

A MCP server which proxies requests to a remote MCP server over streamable HTTP or SSE.

Last release 4 months ago
14 May 2026
Release timing varies
gaps range from 1 weeks to 4 months
Nearly every release is documented
notes for 17 of 17 stable releases
Nothing withdrawn
no release was ever pulled
2 years old
17 releases · first in 2024

Release timeline

17 releases since 2024

202420252026

20242026

One column per month.

Releases

0.12.014 May 2026
build(deps): bump the actions group across 1 directory with 3 updates by @dependabot [bot] in #131
What's Changed

build(deps): bump the actions group across 1 directory with 3 updates by @dependabot[bot] in #131

build(deps): bump mcp from 1.18.0 to 1.19.0 by @dependabot[bot] in #129

build(deps): bump uvicorn from 0.37.0 to 0.38.0 by @dependabot[bot] in #127

Add client credentials authentication for SSE and streamable http mcp server connections by @BartMemelink in #128

build(deps): bump the actions group across 1 directory with 4 updates by @dependabot[bot] in #139

build(deps): bump mcp from 1.19.0 to 1.22.0 by @dependabot[bot] in #140

Update server description to mention streamable HTTP or SSE by @domdomegg in #141

build(deps): bump the actions group with 3 updates by @dependabot[bot] in #142

build(deps): bump the actions group with 5 updates by @dependabot[bot] in #151

build(deps): bump uvicorn from 0.38.0 to 0.40.0 by @dependabot[bot] in #155

build(deps): bump the actions group across 1 directory with 2 updates by @dependabot[bot] in #159

build(deps): bump mcp from 1.22.0 to 1.25.0 by @dependabot[bot] in #154

build(deps): bump mcp from 1.25.0 to 1.26.0 by @dependabot[bot] in #160

build(deps): bump python-multipart from 0.0.20 to 0.0.22 in the uv group across 1 directory by @dependabot[bot] in #162

build(deps): bump uvicorn from 0.40.0 to 0.41.0 by @dependabot[bot] in #166

build(deps): bump the actions group across 1 directory with 9 updates by @dependabot[bot] in #169

build(deps): bump the uv group across 1 directory with 2 updates by @dependabot[bot] in #170

feat: add --expose-header CLI option for configuring Access-Control-Expose-Headers by @geezerrrr in #144

build(deps): bump uvicorn from 0.41.0 to 0.46.0 by @dependabot[bot] in #191

build(deps): bump the actions group across 1 directory with 7 updates by @dependabot[bot] in #188

fix: forward meta parameter in call_tool handler by @stevehaertel in #189

build(deps): bump mcp from 1.26.0 to 1.27.1 by @dependabot[bot] in #204

fix(sse): propagate stateless flag to ServerSession in handle_sse_ins… by @mczink in #210

New Contributors

@BartMemelink made their first contribution in #128

@domdomegg made their first contribution in #141

@geezerrrr made their first contribution in #144

@stevehaertel made their first contribution in #189

@mczink made their first contribution in #210

Full Changelog: v0.10.0...v0.12.0

What's Changed

build(deps): bump mcp from 1.25.0 to 1.26.0 by @dependabot[bot] in #160

build(deps): bump python-multipart from 0.0.20 to 0.0.22 in the uv group across 1 directory by @dependabot[bot] in #162

build(deps): bump uvicorn from 0.40.0 to 0.41.0 by @dependabot[bot] in #166

build(deps): bump the actions group across 1 directory with 9 updates by @dependabot[bot] in #169

build(deps): bump the uv group across 1 directory with 2 updates by @dependabot[bot] in #170

feat: add --expose-header CLI option for configuring Access-Control-Expose-Headers by @geezerrrr in #144

build(deps): bump uvicorn from 0.41.0 to 0.46.0 by @dependabot[bot] in #191

build(deps): bump the actions group across 1 directory with 7 updates by @dependabot[bot] in #188

fix: forward meta parameter in call_tool handler by @stevehaertel in #189

build(deps): bump mcp from 1.26.0 to 1.27.1 by @dependabot[bot] in #204

fix(sse): propagate stateless flag to ServerSession in handle_sse_ins… by @mczink in #210

New Contributors

@geezerrrr made their first contribution in #144

@stevehaertel made their first contribution in #189

@mczink made their first contribution in #210

Full Changelog: v0.11.0...v0.12.0

Additional notes

v0.12.0 Latest

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0.11.015 Jan 2026

build(deps): bump the actions group across 1 directory with 3 updates by @dependabot [bot] in #131

What's Changed

build(deps): bump the actions group across 1 directory with 3 updates by @dependabot[bot] in #131
build(deps): bump mcp from 1.18.0 to 1.19.0 by @dependabot[bot] in #129
build(deps): bump uvicorn from 0.37.0 to 0.38.0 by @dependabot[bot] in #127
Add client credentials authentication for SSE and streamable http mcp server connections by @BartMemelink in #128
build(deps): bump the actions group across 1 directory with 4 updates by @dependabot[bot] in #139
build(deps): bump mcp from 1.19.0 to 1.22.0 by @dependabot[bot] in #140
Update server description to mention streamable HTTP or SSE by @domdomegg in #141
build(deps): bump the actions group with 3 updates by @dependabot[bot] in #142
build(deps): bump the actions group with 5 updates by @dependabot[bot] in #151
build(deps): bump uvicorn from 0.38.0 to 0.40.0 by @dependabot[bot] in #155
build(deps): bump the actions group across 1 directory with 2 updates by @dependabot[bot] in #159
build(deps): bump mcp from 1.22.0 to 1.25.0 by @dependabot[bot] in #154

New Contributors

@BartMemelink made their first contribution in #128
@domdomegg made their first contribution in #141

Full Changelog: v0.10.0...v0.11.0

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v0.11.0

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0.10.026 Oct 2025

feat: disable SSL cert verification with --no-verify-ssl by @sparfenyuk in #94

What's Changed

feat: disable SSL cert verification with --no-verify-ssl by @sparfenyuk in #94
fix: align /mcp streamable HTTP handling with python-sdk by @big-omega in #119
build: add Python 3.14 to GitHub Actions CI matrix by @sparfenyuk in #123
build(deps): bump mcp from 1.9.4 to 1.18.0 by @sparfenyuk in #125
build(deps): bump the actions group with 12 updates by @dependabot[bot] in #109
build(deps): bump uvicorn from 0.36.0 to 0.37.0 by @dependabot[bot] in #114
docs: get rid of smithery by @sparfenyuk in #112
docs: update README.md by @rv-kip in #117

New Contributors

@rv-kip made their first contribution in #117
@big-omega made their first contribution in #119

Full Changelog: v0.9.0...v0.10.0

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v0.10.0

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0.9.022 Sept 2025

feat: add --log-level option by @bfontaine in #102

What's Changed

feat: add --log-level option by @bfontaine in #102
feat: docker image respects shutdown signals by @reneleonhardt in #98
chore: update dependencies by @reneleonhardt in #97

New Contributors

@bfontaine made their first contribution in #102
@reneleonhardt made their first contribution in #98

Full Changelog: v0.8.2...v0.9.0

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v0.9.0

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0.8.25 Jul 2025

fix: nonetype is not callable by @sparfenyuk in #92

What's Changed

fix: nonetype is not callable by @sparfenyuk in #92
feat: print version by @sparfenyuk in #93

Full Changelog: v0.8.1...v0.8.2

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v0.8.2

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0.8.15 Jul 2025

fix: updated default values for --port and --host by @invarrow in #76

What's Changed

fix: updated default values for --port and --host by @invarrow in #76
feat: support env field in config file by @knaou in #79
fix: disable redirect to trailing slashes by @imtsuki in #89

New Contributors

@invarrow made their first contribution in #76
@knaou made their first contribution in #79
@imtsuki made their first contribution in #89

Full Changelog: v0.8.0...v0.8.1

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v0.8.1

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0.8.031 May 2025

With this release, a single instance of mcp-proxy can now proxy multiple STDIO servers.

New feature: Named servers

With this release, a single instance of mcp-proxy can now proxy multiple STDIO servers.

uv run mcp-proxy --transport sse --port=8080 --named-server-config ./servers.json

➡️ See the README.md for details.

What's Changed

feat: support proxying multiple MCP stdio servers to SSE by @sammcj in #65
[BUG] Fixed missing slash on SEE /messages path by @hektorjg in #71

New Contributors

@sammcj made their first contribution in #65
@hektorjg made their first contribution in #71

Full Changelog: v0.7.0...v0.8.0

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v0.8.0

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0.7.026 May 2025

README updates on --env by @Magnuti in #67

What's Changed

README updates on --env by @Magnuti in #67
fix: correct debug logging typo by @jackedelic in #68
feat: support streamable transport in client mode by @sparfenyuk in #70

New Contributors

@Magnuti made their first contribution in #67
@jackedelic made their first contribution in #68

Full Changelog: v0.6.0...v0.7.0

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v0.7.0

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0.6.013 May 2025

Update README by @sparfenyuk in #46

What's Changed

Update README by @sparfenyuk in #46
feat: support --debug argument for verbose output by @sparfenyuk in #47
chore: upgrade pre-commit hooks by @sparfenyuk in #48
chore: upgrade deps by @sparfenyuk in #49
feat: support streamable http proxy by @caydenwei in #60
feat: support passing 'stateless' and 'cwd' arguments by @caydenwei in #62
Bump version by @sparfenyuk in #61

New Contributors

@caydenwei made their first contribution in #60

Full Changelog: v0.5.1...v0.6.0

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v0.6.0

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0.5.125 Mar 2025

chore: bump all deps by @sparfenyuk in #38

What's Changed

chore: bump all deps by @sparfenyuk in #38

Full Changelog: v0.5.0...v0.5.1

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v0.5.1

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0.5.05 Mar 2025

Allow passing through all environment variables to server using --pass-environment by @rmasters in https://github.com/sparfenyuk/mcp-proxy/pull/27

What's Changed

Allow passing through all environment variables to server using --pass-environment by @rmasters in https://github.com/sparfenyuk/mcp-proxy/pull/27
Update notes on docker-compose use by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/29
Expose CORS configuration using --allow-origin=URL by @fedirz in https://github.com/sparfenyuk/mcp-proxy/pull/31

New Contributors

@rmasters made their first contribution in https://github.com/sparfenyuk/mcp-proxy/pull/27
@fedirz made their first contribution in https://github.com/sparfenyuk/mcp-proxy/pull/31

Full Changelog: https://github.com/sparfenyuk/mcp-proxy/compare/v0.4.1...v0.5.0

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0.4.17 Feb 2025

Update workflows by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/18

What's Changed

Update workflows by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/18
Pin GH actions to git hashes by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/19
Pin remaining GitHub actions by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/20
Deployment: Dockerfile and Smithery config by @calclavia in https://github.com/sparfenyuk/mcp-proxy/pull/21
Docker build in Github workflows by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/22
Headers argument for SSE server connection by @andersenthomas98 in https://github.com/sparfenyuk/mcp-proxy/pull/23
Support multi-arch Docker image by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/25

New Contributors

@andersenthomas98 made their first contribution in https://github.com/sparfenyuk/mcp-proxy/pull/23

Full Changelog: https://github.com/sparfenyuk/mcp-proxy/compare/v0.3.2...v0.4.1

Open source →

0.3.213 Jan 2025

Add Python 3.10 support by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/17

What's Changed

Add Python 3.10 support by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/17

Full Changelog: https://github.com/sparfenyuk/mcp-proxy/compare/v0.3.1...v0.3.2

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0.3.18 Jan 2025

Add mypy job by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/14

What's Changed

Add mypy job by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/14
Bump mcp 1.2.0 by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/16

New Contributors

@calclavia made their first contribution in https://github.com/sparfenyuk/mcp-proxy/pull/12

Full Changelog: https://github.com/sparfenyuk/mcp-proxy/compare/v0.3.0...v0.3.1

Open source →

0.3.02 Jan 2025

Refactor to separate client and proxy server in preparation for more client behaviors by @allenporter in https://github.com/sparfenyuk/mcp-proxy/pull/

What's Changed

Refactor to separate client and proxy server in preparation for more client behaviors by @allenporter in https://github.com/sparfenyuk/mcp-proxy/pull/7
fix ruff linting for docstring using numpy convention by @grll in https://github.com/sparfenyuk/mcp-proxy/pull/9
docs: mention pypi package by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/10
Add library for serving an sse server proxying a stdio server by @allenporter in https://github.com/sparfenyuk/mcp-proxy/pull/8
Add functionality to start an SSE server to proxy a local stdio server by @allenporter in https://github.com/sparfenyuk/mcp-proxy/pull/11
Update README with new information about command-line interface by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/13

New Contributors

@grll made their first contribution in https://github.com/sparfenyuk/mcp-proxy/pull/9

Full Changelog: https://github.com/sparfenyuk/mcp-proxy/compare/v0.2.2...v0.3.0

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0.2.229 Dec 2024

chore: update project info by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/6

What's Changed

chore: update project info by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/6

Full Changelog: https://github.com/sparfenyuk/mcp-proxy/compare/v0.2.1...v0.2.2

Open source →

0.2.129 Dec 2024

tests: increase coverage to 84% by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/4

What's Changed

tests: increase coverage to 84% by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/4
chore: add pypi deployment step by @sparfenyuk in https://github.com/sparfenyuk/mcp-proxy/pull/5

Full Changelog: https://github.com/sparfenyuk/mcp-proxy/compare/v0.2.0...v0.2.1

Open source →

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