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PyPI MCP — wraps the Python Package Index (PyPI) JSON API (free, no auth).

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Status
Unhealthy
Uptime
30.5% over 58 days
Last Tested
Transport
Streamable HTTP
URL
Repository
pipeworx-io/mcp-pypi
GitHub Stars
0
Server Listing
mcp-pypi

TDQS

A4/5.0

Scored across 40 tools

Disambiguation3/5

There are two notable overlap clusters: the four universal-question routers (ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, deep_research) and the prediction-market set (polymarket_arbitrage, polymarket_edges, polymarket_edge_tracker, polymarket_fill_risk, bet_research), where the boundaries are subtle. The very verbose descriptions do help an agent choose, and most other tools (remember/recall/forget, subscribe/list_subscriptions/unsubscribe, resolution_audit/resolution_diff) are clearly distinct. Overlap exists but is largely disambiguated by text.

Naming Consistency4/5

Every name is uniformly snake_case with no camelCase or hyphenation drift, which is the key consistency signal. Verb styles vary (verb_noun like get_package/list_releases/compare_entities/resolve_entity alongside noun-phrases like entity_profile/company_facts/recent_alerts/bet_research), but the pattern remains predictable and readable.

Tool Count3/5

40 tools is heavy, and the mismatch with the stated 'Pypi' server name (only ~4 tools are actually PyPI-related) makes the count feel like a sprawling multi-domain gateway rather than a scoped surface. For a gateway fronting thousands of underlying sources the size is defensible, but it sits in the borderline-heavy band.

Completeness4/5

Coverage is broad and mostly complete for a data-gateway: discovery (discover_tools, suggest_questions), resolution, entity/company/financial lookups, research, prediction markets, memory (remember/recall/forget), subscriptions (subscribe/unsubscribe/list_subscriptions/recent_alerts), and feedback are all present. Minor gaps exist — e.g. the PyPI subset can fetch by name but has no package search, and several resources lack update/delete operations.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 1 tool update
    • Changedrelease_calendar_markets2 fields changed
      • addedOutput schema / properties / empty_reason
        Added value: +{
        +  "description": "Present ONLY on a zero-release window: \"no_releases_in_window\". The window was queried and nothing is scheduled — this is an answer, not a failure.",
        +  "type": "string"
        +}
      • addedOutput schema / properties / hint
        Added value: +{
        +  "description": "Present ONLY on a zero-release window: what to change (usually a wider `hours`).",
        +  "type": "string"
        +}
  2. 7 tool updates
    • Changedask_pipeworx3 fields changed
      • addedInput schema / properties / ask
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • addedInput schema / properties / message
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • changedInput schema / properties / question / description
        Previous value: -"Your question or request in natural language. Accepts query, q, prompt, text, input as aliases."New value: +"Your question or request in natural language. Accepts query, q, prompt, text, input, ask, message as aliases."
    • Changedask_pipeworx_beta3 fields changed
      • addedInput schema / properties / ask
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • addedInput schema / properties / message
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • changedInput schema / properties / question / description
        Previous value: -"Your question or request in natural language. Accepts query, q, prompt, text, input as aliases."New value: +"Your question or request in natural language. Accepts query, q, prompt, text, input, ask, message as aliases."
    • Changedask_pipeworx_grounded3 fields changed
      • addedInput schema / properties / ask
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • addedInput schema / properties / message
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • changedInput schema / properties / question / description
        Previous value: -"Your question in natural language. Accepts query, q, prompt, text, input as aliases."New value: +"Your question in natural language. Accepts query, q, prompt, text, input, ask, message as aliases."
    • Changeddeep_research8 fields changed
      • addedInput schema / properties / ask
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • addedInput schema / properties / input
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • addedInput schema / properties / message
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • addedInput schema / properties / prompt
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • addedInput schema / properties / q
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • addedInput schema / properties / query
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
      • changedInput schema / properties / question / description
        Previous value: -"The research question, in natural language. Broad/multi-part is fine — decomposition is the point."New value: +"The research question, in natural language. Broad/multi-part is fine — decomposition is the point. Accepts query, q, prompt, text, input, ask, message as aliases."
      • addedInput schema / properties / text
        Added value: +{
        +  "description": "Alias for question.",
        +  "type": "string"
        +}
    • Changedforget4 fields changed
      • addedInput schema / properties / k
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
      • changedInput schema / properties / key / description
        Previous value: -"Memory key to delete"New value: +"Memory key to delete. Accepts name, k, label as aliases."
      • addedInput schema / properties / label
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
      • addedInput schema / properties / name
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
    • Changedrecall4 fields changed
      • addedInput schema / properties / k
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
      • changedInput schema / properties / key / description
        Previous value: -"Memory key to retrieve (omit to list all keys)"New value: +"Memory key to retrieve (omit to list all keys). Accepts name, k, label as aliases."
      • addedInput schema / properties / label
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
      • addedInput schema / properties / name
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
    • Changedremember9 fields changed
      • addedInput schema / properties / content
        Added value: +{
        +  "description": "Alias for value.",
        +  "type": "string"
        +}
      • addedInput schema / properties / data
        Added value: +{
        +  "description": "Alias for value.",
        +  "type": "string"
        +}
      • addedInput schema / properties / k
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
      • changedInput schema / properties / key / description
        Previous value: -"Memory key (e.g., \"subject_property\", \"target_ticker\", \"user_preference\")"New value: +"Memory key (e.g., \"subject_property\", \"target_ticker\", \"user_preference\"). Accepts name, k, label as aliases."
      • addedInput schema / properties / label
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
      • addedInput schema / properties / name
        Added value: +{
        +  "description": "Alias for key.",
        +  "type": "string"
        +}
      • addedInput schema / properties / text
        Added value: +{
        +  "description": "Alias for value.",
        +  "type": "string"
        +}
      • addedInput schema / properties / v
        Added value: +{
        +  "description": "Alias for value.",
        +  "type": "string"
        +}
      • changedInput schema / properties / value / description
        Previous value: -"Value to store (any text — findings, addresses, preferences, notes)"New value: +"Value to store (any text — findings, addresses, preferences, notes). Accepts content, text, data, v as aliases; a non-string value is stored as JSON."
  3. 26 tool updates
    • Changedai_visibility_check1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "entity": "Tesla"
        +  }
        +]
    • Changedask_pipeworx_beta1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "question": "What is the current US unemployment rate?"
        +  }
        +]
    • Changedask_pipeworx_grounded1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "question": "What was Apple's fiscal 2023 revenue?"
        +  }
        +]
    • Addedcompany_facts
    • Changedcompare_entities1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "type": "company",
        +    "values": [
        +      "AAPL",
        +      "MSFT"
        +    ]
        +  }
        +]
    • Changeddeep_research1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "depth": "quick",
        +    "question": "What is the current US unemployment rate and how has it changed over the past year?"
        +  }
        +]
    • Changedentity_profile1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "type": "company",
        +    "value": "AAPL"
        +  }
        +]
    • Changedgenerate_llms_txt1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "url": "https://pipeworx.io"
        +  }
        +]
    • Addedkalshi_weather_edge
    • Changedpipeworx_feedback1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "message": "Fleet #2184 smoke test: verifying pipeworx_feedback example call returns non-empty.",
        +    "type": "other"
        +  }
        +]
    • Changedpipeworx_trending1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "window": "7d"
        +  }
        +]
    • Changedpolymarket_arbitrage1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "topic": "Fed rate decision"
        +  }
        +]
    • Changedpolymarket_edge_tracker1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "days": 14,
        +    "window": "1wk"
        +  }
        +]
    • Changedpolymarket_edges3 fields changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "limit": 5,
        +    "window": "1wk"
        +  }
        +]
      • changedInput schema / properties / min_edge_pp / description
        Previous value: -"Minimum |edge| in percentage points to include (default 0.5). Edge is evaluated NET of slippage."New value: +"Minimum |edge| in percentage points to include (default 0.5). Edge is evaluated NET of slippage and Polymarket's own taker fee."
      • changedInput schema / properties / slippage_pp / description
        Previous value: -"Assumed execution slippage in percentage points per leg (default 0.3). Subtracted from raw |edge| before ranking and Kelly sizing. Polymarket has zero trading fees as of 2024 but bid/ask + thin depth typically eats 20-50bp per trade. Bump for very thin partitions; drop to 0 if you have a smarter fill model."New value: +"Assumed execution slippage in percentage points per leg (default 0.3), for bid/ask + thin depth cost that a last-trade price does not show. Subtracted from raw |edge| before ranking and Kelly sizing, ON TOP OF Polymarket's own taker fee — which is NOT zero (rate 0.04-0.07 depending on category, read off each market's own published fee schedule; see fees_pp_applied on every row and fees.ts for the full schedule). Bump slippage for very thin partitions; drop to 0 if you have a smarter fill model — the fee still applies regardless."
    • Changedpolymarket_fill_risk1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "market": "will-the-fed-increase-interest-rates-by-25-bps-after-the-december-2026-meeting-20260729232808636",
        +    "side": "buy_yes",
        +    "size_usd": 1000
        +  }
        +]
    • Changedrecent_changes1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "since": "30d",
        +    "type": "company",
        +    "value": "AAPL"
        +  }
        +]
    • Addedrelease_calendar_markets
    • Changedremember1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "key": "target_ticker",
        +    "value": "AAPL"
        +  }
        +]
    • Addedresolution_audit
    • Addedresolution_diff
    • Changedresolve_entity1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "type": "company",
        +    "value": "AAPL"
        +  }
        +]
    • Changedscan_competitor_ai_presence1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "entities": [
        +      "Pipeworx",
        +      "Zapier"
        +    ]
        +  }
        +]
    • Changedscan_dependency1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "package": "left-pad"
        +  }
        +]
    • Changedsearch_within1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "query": "supply-chain risk",
        +    "text": "Apple Inc. reported fiscal 2023 revenue of $383.285 billion, driven by strong iPhone and Services growth. Net income was $96.995 billion. The company faced supply-chain risk in China during the quarter."
        +  }
        +]
    • Changedsuggest_questions1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "topic": "finance"
        +  }
        +]
    • Changedvalidate_claim1 field changed
      • addedInput schema / examples
        Added value: +[
        +  {
        +    "claim": "Apple's fiscal 2023 revenue was $383 billion"
        +  }
        +]
  4. 1 tool update
    • Changedbet_research2 fields changed
      • changedInput schema / examples
        Previous value: -[
        -  {
        -    "market": "when-will-bitcoin-hit-150k"
        -  },
        -  {
        -    "market": "https://polymarket.com/event/when-will-bitcoin-hit-150k"
        -  }
        -]New value: +[
        +  {
        +    "market": "will-kristi-noem-win-the-2028-republican-presidential-nomination"
        +  },
        +  {
        +    "market": "https://polymarket.com/event/will-kristi-noem-win-the-2028-republican-presidential-nomination"
        +  }
        +]
      • changedInput schema / properties / market / description
        Previous value: -"Polymarket slug (\"when-will-bitcoin-hit-150k\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."New value: +"Polymarket slug (\"will-kristi-noem-win-the-2028-republican-presidential-nomination\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."
  5. 2 tool updates
    • Changedbet_research2 fields changed
      • changedInput schema / examples
        Previous value: -[
        -  {
        -    "market": "will-bitcoin-reach-100k-in-july-2026"
        -  },
        -  {
        -    "market": "https://polymarket.com/event/will-bitcoin-hit-150k-by-june-30-2026"
        -  }
        -]New value: +[
        +  {
        +    "market": "when-will-bitcoin-hit-150k"
        +  },
        +  {
        +    "market": "https://polymarket.com/event/when-will-bitcoin-hit-150k"
        +  }
        +]
      • changedInput schema / properties / market / description
        Previous value: -"Polymarket slug (\"will-bitcoin-hit-150k-by-june-30-2026\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k by June 30?\")"New value: +"Polymarket slug (\"when-will-bitcoin-hit-150k\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."
    • Changedpolymarket_kalshi_spread2 fields changed
      • changedInput schema / examples
        Previous value: -[
        -  {
        -    "topic": "fed"
        -  },
        -  {
        -    "topic": "btc"
        -  }
        -]New value: +[
        +  {
        +    "topic": "fed"
        +  },
        +  {
        +    "topic": "btc"
        +  },
        +  {
        +    "topic": "bitcoin"
        +  },
        +  {
        +    "topic": "fed rate decision"
        +  }
        +]
      • changedInput schema / properties / topic / description
        Previous value: -"Pre-mapped: fed | btc | cpi | gdp | sp500 | recession | next_pope | next_uk_pm | next_israel_pm | 2028_president"New value: +"Subject to compare. Canonical keys: fed | btc | eth | cpi | gdp | sp500 | recession | next_pope | next_uk_pm | next_israel_pm | 2028_president — but aliases and keywords resolve too (\"bitcoin\", \"fed rate decision\", \"ethereum\", \"inflation\", \"s&p 500\", \"us recession\", \"next pope\", \"2028 election\"). Check resolution.topic_matched_by in the response: \"exact\"/\"alias\" is a curated pairing, \"phrase\"/\"token\" is a keyword guess."

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