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

Read-only probes

MCP server · AI / LLM tooling

AISub

By yuanwu.ai

ChatGPT, Claude, Gemini, Perplexity and Grok subscription prices by country, with price history.

WebsiteSource code
Connect to AISub
Checks passed
14 / 22

1 failed · 7 not measured

Median response
560 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
7

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?
500
Reliability & speedDoes it respond consistently and quickly?
103
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?
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 547 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name aisub.

  • Pass
    Lists tools

    tools/list returned 7 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 560 ms over 2 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 571 ms over 2 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    2 of 2 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Pass
    Stable tool list

    No tool was removed and no required parameter was added in the last 30 days.

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

    33 of 39 parameters have a description (85%). 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 2026-10-30T17:04:47.443912Z, within 180 days.

  • Not measured
    Open-source licence

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

Start using AISub

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 aisub https://aisub.yuanwu.ai/mcp

Capabilities

Tools 7

compare_credits

Compare credit pack prices (extra usage credits sold on top of a subscription, such as ChatGPT credits) across regions, normalised to the price per 100 credits in one currency. Answers questions like "where are ChatGPT credits cheapest?".

Discovered
compare_prices

Rank the price of one subscription plan (e.g. ChatGPT Plus, Claude Pro, Google AI Pro) across countries and regions, converted to one currency. Answers questions like "where is ChatGPT Plus cheapest?" or "how much is Claude Pro in Turkey?". Prices are monthly equivalents; for yearly billing the full-year total is also given. Each response includes when the prices and exchange rates were last updated.

Discovered
get_price_history

List the recorded price changes of one plan in one region, newest first, with the previous and new local price. Use it for questions like "has ChatGPT Plus gotten more expensive in Brazil?".

Discovered
get_recent_price_changes

List monthly subscription price changes AISub recorded across all regions in the last N days, newest first. Use it for questions like "which countries changed ChatGPT prices this month?".

Discovered
get_reference_prices

Read reviewed Claude website reference prices in their original currency. These have no country, ranking, exchange conversion or purchase eligibility guarantee. Unverified currencies are never returned.

Discovered
get_region_prices

Show every plan price of one product in one country or region, for each sales channel and billing interval, with its rank among all regions and its difference from the United States. Answers questions like "how much does ChatGPT cost in Japan?" or "is Claude cheaper in India than in the US?".

Discovered
list_catalog

List the AI subscription products, sales channels, plan keys, billing intervals and regions that AISub tracks. Call without arguments for an overview; pass a product (and optionally a channel) to also get its region codes and the currencies available for conversion. Use the returned plan keys and region codes with the other tools.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected547 ms7
Connected572 ms6

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