flatten-mcp

Item: flatten-mcp
Rating: 45
Author: M8ven

Flatten Claude Code sessions: keep every prompt and event verbatim, resume at a lower token count. An MCP server.

→ shayaShav/flatten-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.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: ANTHROPIC_API_KEY

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

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

🔐 secretANTHROPIC_API_KEY— no If set, token savings are counted exactly via Anthropic's free count_tokens endpoint instead of estimated locally.

configFLATTEN_COUNT_MODEL— no Model id used for the exact token count (default: claude-haiku-4-5-20251001).

// 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/shayashav-flatten-mcp-1cu8w6)](https://m8ven.ai/mcp/shayashav-flatten-mcp-1cu8w6)

commit: a0895ba15f2e0f7c76fe189cc2c5b927ea70c501

code hash: 9dc74bf0036ae861f1022fd73b0309026b065ef7dc2023acff824c2bf3fc4794

verified: 6/15/2026, 12:46:07 PM

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