MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

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

Read-only probes

MCP server · Payments & trading

CurlShip

Read and submit the CurlShip directory. Paid actions return checkout_url.

Checks passed
11 / 22

3 failed · 8 not measured

Median response
223 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
17

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
410
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?
310
Publisher identityCan the publisher be traced to its source?
312

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 223 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-03-26, serverInfo.name CurlShip.

  • Pass
    Lists tools

    tools/list returned 17 tools.

  • Fail
    Current protocol

    Negotiated 2025-03-26. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 223 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 223 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.

  • Fail
    Parameters documented

    16 of 35 parameters have a description (46%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Fail
    Website matches publisher

    The website host does not match 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 2026-10-12T12:24:35.07275Z, within 180 days.

  • Not measured
    Open-source licence

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

Start using CurlShip

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 curlship https://curlship.com/mcp

Capabilities

Tools 17

bid_featured

Take the Featured spot. It sits above every listing. The minimum right now is $51. Always dofollow. One-time payment, no refund when someone outbids you. The product must already be listed. Omit amount_usd to bid $51.

Discovered
change_listing_url

Point an existing listing at a new URL. One listing per root domain, so this is how a second page replaces the first.

Discovered
confirm_edit

Apply an edit request. A refresh needs a second call with the apply digest from the preview.

Discovered
get_daily_stats

Active listings added per UTC day — the zero-filled series behind the public /stats page. One entry per calendar day from the first listing to today, each with added and the cumulative running total.

Discovered
get_dr_history

The site's Ahrefs Domain Rating over time — the series behind /stats#dr. Every recorded reading, one per UTC day, plus the current value, the last step (change vs the most recent different reading) and the growth since the first reading.

Discovered
get_stats

Listing counts and the Ahrefs Domain Rating.

Discovered
list_categories

The category tree with a listing count per category — a group slug like developer-tools, plus any promoted leaf categories under it. Each listing's category field carries one of these slugs.

Discovered
list_listings

Active listings as JSON. No query returns every listing, in the same order as before. Optional query parameters: limit, offset, q, since, and category. q matches the title, description, or URL. since is an ISO timestamp; listings created at or after it are kept. category is a category slug and filters to that group or leaf. Each listing includes created_at and a category object ({slug, name, group}) or null while the listing is unclassified.

Discovered
read_featured

Who holds the Featured spot, and the current minimum bid.

Discovered
refresh_listing

Re-read title, description, and image from the listed page. Send listing_id and proof only. The first confirm previews; send apply back to save.

Discovered
remove_free_listing

Take a free listing off the directory. Send remove true and no url or email. A paid listing or the Featured holder is refused.

Discovered
set_tracking_params

Set the tracking params on a paid listing's outbound link (Bronze and up). Keys: ref or utm_* (<=10, lowercase/digits/_); values: 1-100 of A-Z a-z 0-9 . _ ~ -. Send {} to clear back to ?ref=curlship. Free listings are refused.

Discovered
submit_listing

List a product. It goes live immediately. One listing per root domain. https://yourapp.com is the documentation placeholder and is refused.

Discovered
upgrade_listing

Checkout URL for a paid tier on a listing that already exists.

Discovered
verify_badge

Re-check the listed site for a link to curlship.com. A free listing with the badge becomes dofollow.

Discovered
x402_bid_featured

Bid on the Featured spot in USDC over x402 — the same auction as a card bid (minimum $51 right now), but settled on-chain with no checkout and no human in the loop. Call without payment_signature for the 402 quote, sign accepts[0] as an EIP-3009 authorization, call again with payment_signature echoing it as `accepted`. The product must already be listed. Omit amount_usd to bid $51.

Discovered
x402_submit_listing

Buy bronze_lifetime ($30 USDC once, forever) or platinum ($49 USDC per prepaid year) with USDC over x402 — settled on-chain, no checkout page, no human in the loop. Call without payment_signature and the reply is a 402 whose body (also the PAYMENT-REQUIRED header, base64) is the quote; sign accepts[0] as an EIP-3009 authorization and call again with payment_signature — the tier is granted in that same call. Same URL and listing rules as a free submission.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected223 ms17