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agent MCP Server Security Report

1mcp-app/agent

A unified Model Context Protocol server implementation that aggregates multiple MCP servers into one.

Security Trust Score
Grade B · Moderate posture
Tier 1 · Public sourceHigh confidence · 98%latest vmain@13cd33a Repository
Declared MCP capabilities
ResourcesPrompts

Run it securely

Host 1mcp-app/agent in a governed environment — SSO in front, every tool call attributed and audited.

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The short answer

Is agent safe to use?
agent scores 83/100 (grade B) on the Canopii Trust Index — good, minor gaps. It passes 15 of the 21 security controls that apply to it, with no confirmed security failures.
How reliable is the security score for agent?
We could evaluate 98% of the controls that apply to agent. Scores are deterministic — the same source always produces the same score — and a partially-scannable server cannot present a high one, because confidence caps the result. The scanner is open source, so this score can be reproduced independently.
How was agent scored?
Its published source was scanned against a fixed catalog of weighted security controls covering code safety, committed secrets, dependency vulnerabilities, tool-description integrity, authentication and transport, and maintenance. A confirmed flaw caps the score outright regardless of what else passes. The full rubric is published.
Reputation485stars57forks17open issues20d agolast commit1yage

Security controlslatest scored version vmain@13cd33a

Each control is evaluated deterministically with evidence. The score is earned from passing controls; a failed guard caps it.

Model–MCP Runtime Guardrails

  • Pass
    Indirect Prompt Injection (IPI) Defensesguardno injection markers

    Tool/prompt/resource text is free of hidden instructions that could hijack the agent.

  • Pass
    Strict JSON Schema EnforcementadditionalProperties:false present

    Tool inputs are constrained (additionalProperties:false), so unexpected arguments can't be smuggled in.

  • Pass
    Tool Definition Integrityguardtool definitions stable; no risky changes in version history

    Every consecutive version pair is diffed for new injection markers or destructive scope — a risky diff anywhere in history is a rug-pull (fail, durable); benign description drift warns.

  • Pass
    User-in-the-Loop / Approval Scopeguardno destructive tool scope

    No over-broad or destructive tools (arbitrary shell, bulk-delete) that warrant human approval.

Application Security Checks

  • Warn
    No command-injection sinksguard3 occurrences (build/test paths only)

    Untrusted tool input reaching a shell yields remote code execution.

    scripts/build-binary.cjs:98scripts/build-sea.cjs:54scripts/update-version.cjs:38

    Fix: Never pass tool arguments to a shell; use argv arrays with shell disabled.

  • Warn
    No path traversalguard43 occurrences

    Naive path checks let tools read/write outside intended directories (EscapeRoute-class).

    docs/.vitepress/config/index.ts:180scripts/archive.cjs:127scripts/build-sea.cjs:118scripts/validate-release-inputs.cjs:58

    Fix: Resolve to a canonical path and verify containment; reject ../ and symlinks.

  • Warn
    No SSRF sinksguard4 occurrences

    Fetching tool-supplied URLs can pivot into internal networks and metadata services.

    scripts/test-e2e-performance.js:165src/commands/shared/apiClient.ts:60src/commands/shared/apiClient.ts:65src/commands/shared/apiClient.ts:97

    Fix: Allow-list destinations; reject arbitrary/loopback/link-local URLs.

  • Warn
    No known-vulnerable dependencies8 of 900 runtime deps vulnerable; worst high

    Runtime dependencies (parsed from the lockfile) are scanned against OSV.dev for published CVEs. Advisory: flagged dependencies lower the score but don't hard-cap it, since transitive reachability is unproven.

    [email protected] — GHSA-3jxr-9vmj-r5cp[email protected] — GHSA-mh99-v99m-4gvg[email protected] — GHSA-rgw5-rvv9-x895[email protected] — GHSA-mh99-v99m-4gvg

    Fix: Upgrade the flagged dependencies past their fixed versions.

  • Pass
    No dynamic code executionguardno sinks found

    eval()/exec()/Function() on tool-derived strings allows arbitrary code execution.

  • Pass
    No unsafe deserializationguardno sinks found

    pickle/yaml.load/etc. on untrusted data can execute code.

  • Pass
    No committed secretsguardno secrets found

    Hardcoded keys/tokens in published source are live credentials an attacker can use.

  • Pass
    Credentials sourced from environmentreads credentials from environment

    Reading secrets from env/secret stores avoids hardcoding them.

  • Pass
    Dependencies pinned (lockfile)lockfile present

    A lockfile makes installs reproducible and resistant to silent dependency swaps.

  • Pass
    Actively maintainedrecent commits

    Unmaintained servers don't receive security fixes.

  • Pass
    Repository not archivedguardactive

    Archived repositories will never be patched.

  • Pass
    Declares a licenseApache-2.0

    A clear license is required for legal enterprise use.

  • Pass
    Has a security policySECURITY.md present

    A SECURITY.md gives a private path to report vulnerabilities.

  • Pass
    Adoption & popularityestablished adoption

    A small, capped nudge from stars/downloads — widely-used servers get more eyes on bugs. It can never offset a real security failure.

  • Not checked
    Signed releasesnot evaluated

    Signed releases let consumers verify artifacts weren't tampered with.

  • N/A
    No install/post-install scriptsguardno published package

    install hooks run arbitrary code on every consumer at install time.

  • N/A
    Package name not typosquattingguardno published package

    Names mimicking popular packages are a common malware delivery vector.

  • N/A
    Published with provenanceno published package

    Build provenance attests the artifact was built from the claimed source by CI.

  • N/A
    Established maintainerno published package

    Brand-new / single anonymous maintainers raise takeover and malware risk.

Transport & Trust Model

  • Warn
    Network Exposurebinds 0.0.0.0

    Binding 0.0.0.0 or exposing debug inspectors widens the attack surface.

    Fix: Bind to 127.0.0.1 by default; never ship open debug endpoints.

  • Pass
    Execution Sandboxingcontainerized

    A container/sandbox image limits blast radius; a server that runs natively has full host access.

  • N/A
    Transport Encryption (TLS)guardno remote endpoints

    Plaintext HTTP exposes traffic and bearer tokens to interception.

  • N/A
    IAM / Authentication Scopingno remote endpoints

    OAuth 2.1 / Protected Resource Metadata gates who can invoke tools.

  • N/A
    Live Endpoint Reachablenot dynamically scanned

    A dynamic scan connected to the declared remote endpoint and it responded — verified live, not a dead URL.

  • N/A
    Authentication Enforced (live)not dynamically scanned

    If the server declares auth is required, it must actually reject anonymous clients. Serving tools to unauthenticated callers is a real exposure.

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Versions

VersionScoreStatus
vmain@3dc5aca83Bscored
vmain@906cd4983Bscored
vmain@013ee9183Bscored
vmain@838aa1e83Bscored
vmain@32efdbc83Bscored
vmain@3f95e3f83Bscored
vmain@a93600483Bscored
vmain@f02c60383Bscored
vmain@dce226a83Bscored
vmain@5e5dd2283Bscored
vmain@2bb30bb83Bscored
vmain@7933d7883Bscored
vmain@d7bde4b83Bscored
vmain@0a6426583Bscored
vmain@13cd33alatest83Bscored
vmain@15ee1e816Fscored
vmain@f78f65416Fscored
vmain@76b2ccd15Fscored
vmain@71e643b15Fscored
vmain@54ce01a81Bscored

Wondering how this compares? The MCP Security Index tracks grade distribution, committed secrets, and missing authentication across the whole ecosystem, refreshed monthly.

agent MCP Server Security — Score 83/100, Grade B · Canopii Trust Index