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io.github.mcp-dir/guru-mcp

io.github.mcp-dir/guru-mcp v0.1.0

Security Trust Score
Grade B · Moderate posture
Tier 1 · Public sourceHigh confidence · 90%
Declared MCP capabilities
ResourcesPrompts

Host io.github.mcp-dir/guru-mcp in a governed environment — SSO in front, every tool call attributed and audited.

Reputation0stars0forks0open issuestodaylast commit<1yage

Security controls

Deterministic, evidence-backed. Score earned from passing controls; a failed guard caps it.

Model–MCP Runtime Guardrails

  • Warn
    Strict JSON Schema Enforcementschemas not strict

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

    Fix: Set additionalProperties:false and require explicit parameters on every tool.

  • Pass
    Indirect Prompt Injection (IPI) Defensesguardno injection markers

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

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

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

  • N/A
    Tool Definition Integrityguardno prior version to diff

    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.

Application Security Checks

  • Warn
    Credentials sourced from environmentno env-based config detected

    Reading secrets from env/secret stores avoids hardcoding them.

    Fix: Read credentials from environment variables or a secret manager.

  • Warn
    Dependencies pinned (lockfile)no lockfile found

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

    Fix: Commit a lockfile (package-lock.json / pnpm-lock.yaml / poetry.lock).

  • Warn
    Adoption & popularitylimited adoption

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

    Fix: Adoption grows naturally with real-world use; this never gates the score.

  • Pass
    No command-injection sinksguardno sinks found

    Untrusted tool input reaching a shell yields remote code execution.

  • Pass
    No dynamic code executionguardno sinks found

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

  • Pass
    No path traversalguardno sinks found

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

  • Pass
    No SSRF sinksguardno sinks found

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

  • 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
    Actively maintainedrecent commits

    Unmaintained servers don't receive security fixes.

  • Pass
    Repository not archivedguardactive

    Archived repositories will never be patched.

  • Pass
    Declares a licenseMIT

    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.

  • Not checked
    No known-vulnerable dependenciesno lockfile found

    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.

  • 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
    IAM / Authentication Scopingno authentication handling detected

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

    Fix: Implement OAuth 2.1 with a .well-known/oauth-protected-resource document.

  • Warn
    Execution Sandboxingruns natively (no container image)

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

    Fix: Ship a Dockerfile/Containerfile (or document a sandboxed run) so the server runs isolated.

  • Pass
    Transport Encryption (TLS)guardall remotes use HTTPS

    Plaintext HTTP exposes traffic and bearer tokens to interception.

  • Pass
    Network Exposureno bind-all detected

    Binding 0.0.0.0 or exposing debug inspectors widens the attack surface.

  • 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.

Tools (101)

connectguru_leadsreport_bugmarketplaceauthenticateguru_accountshow_versiontoolkit_infoguru_checkoutguru_myordersguru_users_getguru_users_listguru_coupons_getguru_contacts_getguru_coupons_listguru_etickets_getguru_products_getguru_webhooks_getguru_etickets_listguru_list_accountsguru_products_listguru_webhooks_listguru_blocklists_getguru_countries_listguru_coupons_auditsguru_products_offerguru_blocklists_listguru_contacts_searchguru_products_offersguru_affiliations_getguru_countries_statesguru_transactions_getguru_users_activitiesguru_affiliations_listguru_contacts_eticketsguru_countries_addressguru_etickets_check_inguru_subscriptions_getguru_users_write_deleteguru_affiliations_assetsguru_transactions_searchguru_webhooks_activitiesguru_coupons_transactionsguru_coupons_write_createguru_coupons_write_deleteguru_coupons_write_updateguru_subscriptions_searchguru_contacts_affiliationsguru_contacts_transactionsguru_contacts_write_createguru_contacts_write_updateguru_etickets_write_deleteguru_subscriptions_invoiceguru_transactions_eticketsguru_contacts_subscriptionsguru_subscriptions_invoicesguru_blocklists_write_createguru_blocklists_write_deleteguru_blocklists_write_updateguru_coupons_write_duplicateguru_transactions_activitiesguru_contacts_write_anonymizeguru_subscriptions_activitiesguru_transactions_order_bumpsguru_affiliations_transactionsguru_products_checkout_optionsguru_transactions_write_refundguru_etickets_write_do_check_inguru_subscriptions_transactionsguru_subscriptions_write_cancelguru_transactions_write_reissueguru_subscriptions_payment_typesguru_transactions_by_marketplaceguru_coupons_write_set_activationguru_products_subscription_optionsguru_subscriptions_plans_availableguru_transactions_write_chargebackguru_contacts_write_create_eticketsguru_etickets_write_delete_check_inguru_subscriptions_write_add_couponguru_products_offer_checkout_optionsguru_subscriptions_write_change_planguru_transactions_write_update_buyerguru_affiliations_write_set_commissionguru_etickets_write_create_invitationsguru_etickets_write_delete_invitationsguru_subscriptions_write_remove_couponguru_subscriptions_write_simulate_planguru_subscriptions_invoice_transactionsguru_subscriptions_write_set_next_offerguru_products_offer_subscription_optionsguru_subscriptions_write_set_installmentguru_transactions_write_generate_invoiceguru_products_write_set_offer_availabilityguru_subscriptions_write_set_current_offerguru_subscriptions_write_set_payment_typesguru_subscriptions_write_set_cycle_end_dateguru_subscriptions_write_set_trial_end_dateguru_subscriptions_write_cancel_at_cycle_endguru_subscriptions_write_set_increment_discountguru_subscriptions_write_remove_increment_discount