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.
Chainlist MCP — registry of EVM chains
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.
chaos-index MCP — wraps StupidAPIs (requires X-API-Key)
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.
Chargebee MCP Pack — wraps the Chargebee API v2
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.
PC game deals across Steam/Epic/GOG/Humble via CheapShark. 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.
ChEMBL MCP — drug discovery database (EBI).
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.
Chess.com MCP — wraps the Chess.com public 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.
Chile Government Procurement MCP — Mercado Público / ChileCompra (keyless-ish).
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.
China A-shares 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.
Chuck Norris MCP — wraps chucknorris.io (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.
CISA Known Exploited Vulnerabilities catalog
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.
Citybikes MCP — wraps CityBik.es API (free, no auth required)
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.
Civitai 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.
Clash Royale player, clan, war, tournament, rankings, cards. Supercell dev key.
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.
Cleveland Museum of Art Open Access API (~63k artworks, many CC0)
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.
ClickUp MCP — wraps the ClickUp REST API v2 (BYO API key)
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.
Climate MCP — wraps Open-Meteo Climate 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.
Climate & Energy 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.
Climatiq MCP — carbon footprint calculator with emission factors
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.
NIH Clinical Tables: ICD-10/9, RxTerms, LOINC, NPI, conditions search. 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.
ClinicalTrials MCP — wraps ClinicalTrials.gov API v2 (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.
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.