Exa MCP Server (sasakiblog26-lgtm/exa-mcp-server) is an MCP server listed on the M8ven Trust Index. It scores 54 out of 100, grade D. It declares 9 tools. No publisher has claimed this listing.

D
Caution
54/100

Exa MCP Server

Connect AI assistants to Exa's search capabilities: web search, code search, and company research.

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

sasakiblog26-lgtm

Source: Glama

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Install from

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
⚠️
Known vulnerabilities in dependencies: 15 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
9 tools verified — handlers match their declared behaviour
8 read-only tools verified — handlers contain no write/delete/exec
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 3 credentials: EXA_API_KEY, KV_REST_API_TOKEN, UPSTASH_REDIS_REST_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// tools this server exposes9 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

company_research_exa

[Deprecated: Use web_search_advanced_exa instead] Research any company to get business information, news, and insights. Best for: Learning about a company's products, services, recent news, or industry position. Returns: Company information from trusted business sources.

deep_researcher_check

[Deprecated] Check status and get results from a deep research task. Best for: Getting the research report after calling deep_researcher_start. Returns: Research report when complete, or status update if still running. Important: Keep calling with the same research ID until status is 'completed'.

deep_researcher_start

[Deprecated] Start an AI research agent that searches, reads, and writes a detailed report. Takes 15 seconds to 2 minutes. Best for: Complex research questions needing deep analysis and synthesis. Returns: Research ID - use deep_researcher_check to get results. Important: Call deep_researcher_check

deep_search_exa

[Deprecated: Use web_search_advanced_exa instead] Deep search with automatic query expansion for thorough research. Generates multiple search variations to find results from multiple angles, then synthesizes a short answer with citations. Best for: Complex questions needing information from multipl

get_code_context_exa

Find code examples, documentation, and programming solutions. Best for: Any programming question - API usage, library examples, code snippets, debugging help. Returns: Relevant code and documentation. Query tips: describe what you're looking for specifically. "Python requests library POST with JS

linkedin_search_exa

⚠️ DEPRECATED: This tool is deprecated. Please use 'people_search_exa' instead. This tool will be removed in a future version. For now, it searches for people on LinkedIn using Exa AI - finds professional profiles and people.

people_search_exa

[Deprecated: Use web_search_advanced_exa instead] Find people and their professional profiles. Best for: Finding professionals, executives, or anyone with a public profile. Returns: Profile information and links.

web_search_exa

Search the web for any topic and get clean, ready-to-use content. Best for: Finding current information, news, facts, or answering questions about any topic. Returns: Clean text content from top search results, ready for LLM use. Query tips: describe the ideal page, not keywords. "blog post compar

web_search_advanced_exa

Advanced web search with full control over filters, domains, dates, and content options. Best for: When you need specific filters like date ranges, domain restrictions, or category filters. Not recommended for: Simple searches - use web_search_exa instead. Returns: Search results with optional high

// known CVEs in dependencies15 high12 low

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

highaxios@1.13.6GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.13.6GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configAGNOST_LOG_LEVEL
configENABLED_TOOLS
🔐 secretEXA_API_KEY"": "your_api_key"
configEXA_API_KEY_BYPASS
🔐 secretKV_REST_API_TOKEN
configKV_REST_API_URL
configOAUTH_AUDIENCE
configOAUTH_ISSUER
configOAUTH_USER_AGENTS
configRATE_LIMIT_BYPASS
configRATE_LIMIT_DAILY
configRATE_LIMIT_QPS
🔐 secretUPSTASH_REDIS_REST_TOKEN
configUPSTASH_REDIS_REST_URL
// quality suggestions

All four hints declared on every tool

9/9 tools missing one or more hints — company_research_exa (missing: openWorldHint); deep_researcher_check (missing: openWorldHint); deep_researcher_start (missing: openWorldHint), +6 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tests exist

No test files found

Add tests that exercise each declared tool.

Production dependencies are patched

0 critical, 15 high severity in production deps — @modelcontextprotocol/sdk@1.12.1 (high), @modelcontextprotocol/sdk@1.12.1 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Dependency freshness

1/8 production deps stale: whoami@2022-06-29 (4y)

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
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commit: 8df65b05f133299fb0342e22e3f013aea85bf01e
code hash: f9a74abf3a70ea3eab02e33bcbda069696de55419ee3e727706c08f1181a2d04
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