gerbil-mcp

Provides AI assistants with live access to a Gerbil Scheme environment to evaluate expressions, look up module exports, and check syntax. It enables real-time interaction with the gxi runtime for macro expansion and symbol searching.

→ ober/gerbil-mcp · listed on glama

Install from

Glama

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// key findings

⚠️

Tool annotations don’t match behaviour

4 read-only tools perform write/delete/exec — gerbil_compile_check (line 64: writeFile(targetPath, code, 'utf-8')); gerbil_gambuild_extract (line 159: envPattern.exec(content)); gerbil_preflight_check (line 85: execFile(gxiPath, ['-e', '(display (+ 1 2))'], { timeout: 10000 }, (error, stdout) => {)

⚠️

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.

// required environment variables

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

configGERBIL_HOME— /opt/gerbil Gerbil installation directory (used for module listing)

configGERBIL_MCP_GERBIL_PATH— gerbil in PATH, then /opt/gerbil/bin/gerbil Path to the gerbil CLI binary (used for project-wide testing)

configGERBIL_MCP_GXC_PATH— gxc in PATH, then /opt/gerbil/bin/gxc Path to the gxc compiler binary

configGERBIL_MCP_GXI_PATH— e =/opt/gerbil/bin/gxi \

configGERBIL_MCP_GXPKG_PATH— gxpkg in PATH, then /opt/gerbil/bin/gxpkg Path to the gxpkg package manager binary

configGERBIL_PATH

// 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/ober-gerbil-mcp-8t4ku9)](https://m8ven.ai/mcp/ober-gerbil-mcp-8t4ku9)

commit: 81335a52c90e0f6cd4e80006f475c5e5f45cbd53

code hash: 54e277672672ba139e572da29d1901b7907b440469efff7a717d1a31d5b3b33b

verified: 4/11/2026, 3:13:09 PM

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