# mcp-compressor

> An MCP server wrapper for reducing tokens consumed by MCP tools.

- **URL**: https://www.freshcrate.ai/projects/mcp-compressor
- **Author**: atlassian-labs
- **Category**: MCP Servers
- **Latest version**: `v0.28.1` (2026-06-07)
- **License**: Apache-2.0
- **Source**: https://github.com/atlassian-labs/mcp-compressor
- **Language**: Python
- **GitHub**: 37 stars, 5 forks
- **Registry**: github
- **Tags**: `python`

## Description

An MCP server wrapper for reducing tokens consumed by MCP tools.

## Recent releases

| Version | Date | Urgency | Changes |
| --- | --- | --- | --- |
| `v0.28.1` | 2026-06-07 | High | ## What's Changed * fix: preserve description newlines and drop OUTPUT in CLI help by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/225   **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.28.0...v0.28.1 |
| `v0.24.0` | 2026-06-01 | High | ## What's Changed * Fix compressed invoke tool schema for Gemini by @federicociner in https://github.com/atlassian-labs/mcp-compressor/pull/216   **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.23.0...v0.24.0 |
| `v0.23.0` | 2026-05-21 | High | ## What's Changed * test: snapshot agent-facing transform contracts by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/213 * fix: include code transform function signatures by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/214 * feat: expose executable tool bridge by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/215   **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.22.1...v0.23.0 |
| `v0.22.1` | 2026-05-20 | High | ## What's Changed * fix: render host CLI subcommands as kebab-case by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/211 * fix: map camelCase properties to kebab flags by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/212   **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.22.0...v0.22.1 |
| `v0.15.0a3` | 2026-05-14 | High | ## What's Changed * Fix Python trusted publishing workflow identity by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/168 * Convert Python prerelease tags for Rust and TypeScript releases by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/169   **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.15.0a2...v0.15.0a3 |
| `v0.13.0` | 2026-04-28 | High | ## What's Changed * feat(typescript): add lightweight sub-path exports for config, errors… by @andymac4182 in https://github.com/atlassian-labs/mcp-compressor/pull/24  ## New Contributors * @andymac4182 made their first contribution in https://github.com/atlassian-labs/mcp-compressor/pull/24  **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.10.0...v0.13.0 |
| `v0.10.0` | 2026-04-21 | High | **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.9.1...v0.10.0 |
| `v0.9.1` | 2026-04-20 | High | **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.9.0...v0.9.1 |
| `v0.9.0` | 2026-04-18 | High | ## What's Changed * Enable dynamic toonification only when not being piped or redirected by @timesler in https://github.com/atlassian-labs/mcp-compressor/pull/23   **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.8.4...v0.9.0 |
| `v0.8.4` | 2026-04-18 | High | ## What's Changed * Seed just-bash sandbox with standard utilities (jq, grep, sed, …) by @vkolotov in https://github.com/atlassian-labs/mcp-compressor/pull/21  ## New Contributors * @vkolotov made their first contribution in https://github.com/atlassian-labs/mcp-compressor/pull/21  **Full Changelog**: https://github.com/atlassian-labs/mcp-compressor/compare/v0.8.3...v0.8.4 |

## Citation

- HTML: https://www.freshcrate.ai/projects/mcp-compressor
- Markdown: https://www.freshcrate.ai/projects/mcp-compressor.md
- Dependencies JSON: https://www.freshcrate.ai/api/projects/mcp-compressor/deps

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