opengrok-mcp-server

MCP server bridging OpenGrok search engine with AI for instant context across massive codebases

→ IcyHot09/opengrok-mcp-server· npm: opengrok-mcp-server· listed on npm

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 1 high

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

🔐

You'll be asked for 1 credential: OPENGROK_PASSWORD

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

// known CVEs in dependencies1 critical1 high1 low

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

criticalvitest@3.1.4GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

highesbuild@0.25.0GHSA-gv7w-rqvm-qjhr

esbuild: Missing binary integrity verification in Deno module enables remote code execution via NPM_CONFIG_REGISTRY

lowjs-yaml@4.1.1GHSA-h67p-54hq-rp68

JS-YAML: Quadratic-complexity DoS in merge key handling via repeated aliases

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.

configOPENGROK_ALLOWED_ORIGINS— comma-separated origins CORS allowlist (replaces wildcard CORS)

configOPENGROK_AUTH_SERVERS— comma-separated URLs Trusted authorization server URIs

configOPENGROK_BASE_URL— opengrok-mcp status Health check: validates connectivity and detects installed MCP clients. Reads config from ~/.claude.json, ~/.copilot/mcp-config.json, or Codex TOML when is not in env

configOPENGROK_CONTEXT_BUDGET— standard (default) / minimal / generous Response size tier: 8 KB / 4 KB / 16 KB

configOPENGROK_JWKS_URI— URL JWKS endpoint for JWT validation (OAuth 2.1 resource server mode)

configOPENGROK_LOG_LEVEL— debug / info (default) Verbose structured logging to stderr

configOPENGROK_MAX_INLINE_LINES

configOPENGROK_MAX_RESPONSE_BYTES

🔐 secretOPENGROK_PASSWORD— string Authentication password (prefer OS keychain via npx opengrok-mcp-server setup)

configOPENGROK_PASSWORD_FILE

configOPENGROK_RESOURCE_URI— URL This server's resource URI, advertised in RFC 9728 metadata

configOPENGROK_RESPONSE_FORMAT_OVERRIDE— tsv / toon / yaml / text / markdown Force a response format globally for all tools

configOPENGROK_SCOPE_MAP— scope:role,... Map JWT scopes to RBAC roles (e.g., read:readonly,admin:admin)

configOPENGROK_SEARCH_AND_READ_CAP

configOPENGROK_STRICT_OAUTH— true / false Reject requests without a valid JWT when OPENGROK_JWKS_URI is set

configOPENGROK_USERNAME— string Authentication username (optional — leave unset for anonymous access)

configVSCODE_IPC_HOOK_CLI

configXDG_CONFIG_HOME

// 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/opengrok-mcp-server-1chlat)](https://m8ven.ai/mcp/opengrok-mcp-server-1chlat)

commit: f216f521f74550d5dfb5410823ebb76ae5ad4364

code hash: c5baeab4f4f8381685293b6f82e1f5777fa88ccbabb845430943b71e0556d1e2

verified: 6/16/2026, 12:50:25 PM

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