Agent Search MCP Server

agent-search-mcp npm v3.1.2

Published by lennney — no publish provenance and no vendor-owned scope, so the publisher could not be verified. The repository link below is self-declared.

Free multi-engine web search across seven engines (DuckDuckGo, Sogou, Bing, Baidu, Brave, Tavily, Exa) with waterfall progressive search, multi-source verification, and content enrichment; no API keys needed.

Trust grade
A
100/100
Last scanned
Trust
A · 100/100
How safe the published surface and source look. Deterministic; every point is auditable.
Capability
High
Blast radius if it went rogue — what the server’s tools could reach. Independent of trust.
Coverage
Source
How much the scan could actually inspect. Shallow coverage is stated, never hidden.
A Why this grade

Started at 100 and nothing was deducted: the deterministic scan raised no scored threat in the published surface it inspected. Capability observations and advisory notes are recorded but never lower the score.

Findings 9

high Shell/command execution in server code (dist/engines/duckduckgo.js)MTC-SRC-002

In the server's implementation (`dist/engines/duckduckgo.js:1`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: child_process

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/engines/duckduckgo.js

medium Hardcoded egress to an external endpoint (dist/aggregation/enricher.js)MTC-SRC-003

In the server's implementation (`dist/aggregation/enricher.js:28`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: fetch(`https://r.jina.ai/${result.url}`

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/aggregation/enricher.js

medium Hardcoded egress to an external endpoint (dist/cli.js)MTC-SRC-003

In the server's implementation (`dist/cli.js:147`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: fetch(`https://r.jina.ai/${args.url}`

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/cli.js

medium Hardcoded egress to an external endpoint (dist/engines/duckduckgo-html.js)MTC-SRC-003

In the server's implementation (`dist/engines/duckduckgo-html.js:69`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: fetch('https://html.duckduckgo.com/html/'

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/engines/duckduckgo-html.js

medium Hardcoded egress to an external endpoint (dist/engines/exa.js)MTC-SRC-003

In the server's implementation (`dist/engines/exa.js:14`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: fetch('https://api.exa.ai/search'

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/engines/exa.js

medium Hardcoded egress to an external endpoint (dist/engines/startpage.js)MTC-SRC-003

In the server's implementation (`dist/engines/startpage.js:10`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: fetch('https://www.startpage.com/'

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/engines/startpage.js

medium Hardcoded egress to an external endpoint (dist/engines/tavily.js)MTC-SRC-003

In the server's implementation (`dist/engines/tavily.js:10`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: fetch('https://api.tavily.com/search'

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/engines/tavily.js

medium Hardcoded egress to an external endpoint (dist/infrastructure/version-check.js)MTC-SRC-003

In the server's implementation (`dist/infrastructure/version-check.js:13`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: fetch('https://registry.npmjs.org/agent-search-mcp/latest'

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/infrastructure/version-check.js

medium Hardcoded egress to an external endpoint (dist/tools/free-extract.js)MTC-SRC-003

In the server's implementation (`dist/tools/free-extract.js:32`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.

Evidence: fetch(`https://r.jina.ai/${url}`

Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.

Location: server dist/tools/free-extract.js

What this scan could not see

Versions

Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.

VersionScoreFindingsEngineScanned
v3.1.2 latest A 100/100 9 1.5.0 2026-07-22
v3.1.0 A 100/100 9 1.4.0 2026-07-22
v3.0.1 F 51/100 15 1.3.1 2026-07-21

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MCP Trust Score: A · 100/100
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The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.

npx mcptrustchecker scan agent-search-mcp --online

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