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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Code & DevOps

Gumroad MCP by usefulapi

By usefulapi.io Verified namespace

Read products, sales, subscribers and offer codes; verify, enable and disable product licenses.

WebsiteSource code
Connect to Gumroad MCP by usefulapi
Checks passed
14 / 22

0 failed · 8 not measured

Median response
143 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
20

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 143 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name gumroad-mcp.

  • Pass
    Lists tools

    tools/list returned 20 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 143 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 143 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    38 of 38 parameters have a description (100%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-11-10T23:33:25.780401Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using Gumroad MCP by usefulapi

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http gumroad-mcp-by-usefulapi https://gumroad.usefulapi.io/mcp

Capabilities

Tools 20

gumroad_create_offer_code

Create a new offer code (discount code) on a product. Gumroad REST: POST /v2/products/{product_id}/offer_codes.

Discovered
gumroad_disable_license

Disable a product's license key. Gumroad REST: PUT /v2/licenses/disable.

Discovered
gumroad_disable_product

Disable (unpublish) a product so it can no longer be sold. Gumroad REST: PUT /v2/products/{id}/disable.

Discovered
gumroad_enable_license

Enable a product's license key. Gumroad REST: PUT /v2/licenses/enable.

Discovered
gumroad_enable_product

Enable (publish) a product so it can be sold. Gumroad REST: PUT /v2/products/{id}/enable.

Discovered
gumroad_get_offer_code

Get a single offer code on a product by id. Gumroad REST: GET /v2/products/{product_id}/offer_codes/{id}.

Discovered
gumroad_get_product

Get a single product by id. Gumroad REST: GET /v2/products/{id}.

Discovered
gumroad_get_sale

Get a single sale by id. Gumroad REST: GET /v2/sales/{id}.

Discovered
gumroad_get_subscriber

Get a single subscriber by id. Gumroad REST: GET /v2/subscribers/{id}.

Discovered
gumroad_get_user

Get the authenticated user associated with the current Gumroad access token. Gumroad REST: GET /v2/user.

Discovered
gumroad_get_variant_category

Get a single variant category on a product by id. Gumroad REST: GET /v2/products/{product_id}/variant_categories/{id}.

Discovered
gumroad_list_custom_fields

List a product's custom fields (extra fields collected at checkout). Gumroad REST: GET /v2/products/{product_id}/custom_fields.

Discovered
gumroad_list_offer_codes

List a product's offer codes (discount codes). Gumroad REST: GET /v2/products/{product_id}/offer_codes.

Discovered
gumroad_list_products

List all of the authenticated user's products. Gumroad REST: GET /v2/products.

Discovered
gumroad_list_resource_subscriptions

List the authenticated user's resource subscriptions (webhooks) for a given resource/event name. Gumroad REST: GET /v2/resource_subscriptions.

Discovered
gumroad_list_sales

List/filter the authenticated user's successful sales, most recent first. Supports date, email, product/order filters and cursor pagination via page_key. Gumroad REST: GET /v2/sales.

Discovered
gumroad_list_subscribers

List a membership/subscription product's subscribers, optionally filtered by buyer email. Gumroad REST: GET /v2/products/{product_id}/subscribers.

Discovered
gumroad_list_variant_categories

List a product's variant categories (option groups). Gumroad REST: GET /v2/products/{product_id}/variant_categories.

Discovered
gumroad_update_offer_code

Update an existing offer code on a product (its code text and/or its max purchase count). Gumroad REST: PUT /v2/products/{product_id}/offer_codes/{id}.

Discovered
gumroad_verify_license

Verify a license key for a product (checks validity and returns purchase details). By default this does NOT increment the uses count; with increment_uses_count: true it records a use (a write). Gumroad REST: POST /v2/licenses/verify.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected143 ms20

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