discover_tools
Exposed by 1316 servers, with 5 different definitions behind the one name.
The same name does not mean the same tool here.
1316 servers expose discover_tools and we have recorded 5 distinct definitions of it. Compare the parameters below before assuming one is a drop-in for another.
Harry Potter API MCP (hp-api.onrender.com) — keyless.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Cryptographic hash & HMAC MCP.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
HathiTrust Bibliographic API MCP.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Humanitarian Data Exchange (HDX) MCP — data.humdata.org, the open
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
HealthData.gov MCP — wraps HealthData.gov CKAN API (free, no auth)
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Health Feeds MCP.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Helsinki Events MCP.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
HERE MCP — premium geocoding, places, and TRAFFIC-AWARE routing from HERE
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Hex.pm MCP — package registry for the Elixir & Erlang ecosystems.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
HGNC (HUGO Gene Nomenclature Committee) MCP.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Have I Been Pwned MCP
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Hawaii: cumulative hybrid and electric vehicles registered statewide since 1999
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Hilma MCP — Finnish government public procurement notices (keyed).
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Hong Kong Monetary Authority (HKMA) public open API MCP. Keyless.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Croatian National Bank (Hrvatska narodna banka, HNB) exchange-rate MCP. Keyless.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Holidays MCP — wraps Nager.Date API (free, no auth)
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Homebrew formulae + casks + install analytics (formulae.brew.sh)
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Hong Kong Government Procurement MCP — GLD 'Contracts Awarded' (keyless).
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
NASA JPL Horizons — solar-system body ephemerides
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
Horoscope MCP — wraps the keyless Horoscope App API.
Discover Tools
Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials, USPTO patents, weather, news, crypto, stocks. Returns the top-N most relevant tools with names, descriptions, and full input schemas (with curated examples) — each result is ready to call directly, no second schema lookup needed. Call this FIRST when you have many tools available and want to see the option set (not just one answer).
| Parameter | Type | Description |
|---|---|---|
| q | string | Alias for query. |
| task | string | Alias for query. |
| limit | number | Maximum number of tools to return (default 20, max 50) |
| query* | string | Natural language description of what you want to do (e.g., "analyze housing market trends", "look up FDA drug approvals", "find trade data between countries"). Accepts task, q, description, search as aliases. |
| search | string | Alias for query. |
| description | string | Alias for query. |
* required
Author's annotations: readOnlyHint=True, openWorldHint=False, idempotentHint=True, destructiveHint=False. These are claims by whoever wrote the server, not something we verified.
What this page is
Every field above is reproduced as the server published it at the time shown. The description and the annotations are claims by the server's author. Toolpin does not call tools, so we cannot tell you whether a tool does what it says.
What we can tell you is whether the claim changed. The hash covers the fields the MCP specification defines, so a vendor build stamp does not move it but a rewritten description does. See how we monitor, or this server's change history.