compaction-mcp

Brings Claude Code's context compaction to any MCP host, enabling agents to gauge context pressure, summarize history, re-hydrate files, and persist rules across session boundaries.

→ Ink01101011/compaction-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 2 credentials: COMPACTION_EMBED_API_KEY, COMPACTION_LLM_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configCOMPACTION_ALLOWED_ROOTS— cwd colon-separated roots for file re-hydration

configCOMPACTION_AUTO— false auto-compact on ingest when pressure ≥ nowPct (store mode only)

🔐 secretCOMPACTION_EMBED_API_KEY

configCOMPACTION_EMBED_BASE_URL— LLM base URL OpenAI-compatible /embeddings endpoint

configCOMPACTION_EMBED_MODEL— embeddings model for semantic recall (e.g. nomic-embed-text); enables embed

configCOMPACTION_HOOKS— path to hooks JSON (see examples/hooks.example.json)

configCOMPACTION_HOOKS_ENABLED— true set false to disable all hook execution

🔐 secretCOMPACTION_LLM_API_KEY— optional bearer token

configCOMPACTION_LLM_BASE_URL— "": "http://localhost:11434/v1",

configCOMPACTION_LLM_HEADERS— JSON of extra request headers (Azure api-key, gateway/tenant headers); overrides Bearer

configCOMPACTION_LLM_MODEL— qwen2.5-coder:14b summarizer model

configCOMPACTION_MODE— passthrough passthrough (host owns history) \ store (server holds it)

configCOMPACTION_RECALL_MODE— auto auto \ embed \ lexical — recall ranking strategy

configCOMPACTION_STATE_DIR— ~/.compaction-mcp/sessions session + ledger persistence

configCOMPACTION_SUMMARIZER— direct direct \ sampling \ auto (§6 of spec)

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/ink01101011-compaction-mcp-eydv9c)](https://m8ven.ai/mcp/ink01101011-compaction-mcp-eydv9c)

commit: 0a15cff65c5c847af07b43de3b67d726433a4ca3

code hash: 6c682db07ebb47e1838b8f1afb980897eb8821bcfc3fbd5d005cad34370a3651

verified: 6/17/2026, 11:28:36 AM

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