sqz MCP server
Pre-injection context compression for coding agents. Zero LLM calls, zero telemetry, offline-safe.
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If you have run it, two minutes of your experience saves the next person an afternoon.
sqz tools
No tool declarations could be read from the package source. They show once the server is installed.
What the publisher says
From the sqz repository's README, as published. We do not edit it. Read it on GitHub
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Pre-injection context compression and session deduplication for AI coding agents
Real session stats: 3,003 compressions · 178,442 tokens saved · 24.7% avg reduction · up to 92% with dedup
Install · How It Works · Supported Tools · Changelog · Discord
sqz compresses command output before it reaches your LLM. Single Rust binary, zero config.
The real win is dedup: when the same file gets read 5 times in a session, sqz sends it once and returns a 13-token reference for every repeat (how that works, and its limits).
Without sqz: With sqz:
File read #1: 2,000 tokens File read #1: ~800 tokens (compressed)
File read #2: 2,000 tokens File read #2: ~13 tokens (dedup ref)
File read #3: 2,000 tokens File read #3: ~13 tokens (dedup ref)
─────────────────────── ───────────────────────
Total: 6,000 tokens Total: ~826 tokens (86% saved)[!NOTE]
Name disambiguation: this repo, ojuschugh1/sqz, is an independent project and is not affiliated with any other similarly named or working tool or other compression projects that shorten "squeeze". If you installed sqz / sqz-cli / sqz-mcp from crates.io, npm, PyPI, or Homebrew, it comes from this repository.
Token Savings
24.7% average reduction across 3,003 real compressions ·
92% saved on repeated file reads ·
86% on shell/git output ·
13-token refs for cached content
One developer's week, measured from actual sqz gain output:
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Install directly
The registry entry has no remote endpoint or installable package.
sqz: common questions
- Is sqz MCP server safe?
- Yes, by our scan: it is graded A (88/100). Read the sqz safety report
- Does sqz need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is sqz maintained?
- The last commit was 7 days ago (2026-09-15). The latest release is v1.8.0.
- What can I use instead of sqz?
- Servers from other publishers that do the same job: adrkit decision memory MCP server, prompt-protection MCP server and mcptoon MCP server. Compare all sqz alternatives.
Alternatives to sqz
Same job from other publishers: the closest match first, then the best rated.
adrkit decision memoryDeterministic, offline, read-only ADR decision memory for coding agents. No model or network calls.not reviewedGrowingA- prompt-protectionScan prompts, tool definitions and model output for injection, and guard agent tool calls.not reviewedGrowingA
- mcptoonMCP tools + agent skills in one zero-dependency CLI: 71,929 -> 581 tokens (-99.2%, measured).not reviewedEstablishedA
- Godot MCPAgent-driven Godot playtesting: editor control, input injection, game-time stepping, live state.not reviewedEstablishedA
- OrcareplayRead, replay and fork recorded coding-agent runs.not reviewedEstablishedA
