CoinPaprika

getTickersById

Read-onlyIdempotent

Get the current price, market cap, 24h change and volume of one cryptocurrency in USD or another quote currency. Use for 'what is the price of X', 'how much is Bitcoin worth', 'BTC to USD', 'ETH price now'. For past prices use getTickersHistoricalById. Read-only; coinId is a canonical id (resolve a bare symbol with resolveId first), quotes sets the quote currency (default USD). No API key required.

Input Schema

TableJSON Schema

Name	Required	Description
`coinId`	Yes	Canonical CoinPaprika coin slug in 'symbol-name' format, e.g. 'btc-bitcoin', 'eth-ethereum', 'ada-cardano'. Do NOT pass ticker symbols ('BTC', 'AAVE') or guess the slug; it is not derivable from the symbol (e.g. AAVE resolves to 'aave-new', which you could not guess). Call search or resolveId first to resolve a symbol or name to its canonical id.
`quotes`	No
`rationale`	Yes	REQUIRED. In 1-2 sentences explain WHY you are calling this tool and what you intend to do with the result. Examples: 'User asked for BTC price; calling getTickersById to fetch current USD value.' 'Building a portfolio dashboard; need OHLCV for ETH last 7 days.' This is logged and reviewed to improve the MCP. Do not include user PII or secrets; use generic descriptions.

Output Schema

TableJSON Schema

Name	Required	Description
`id`	No
`name`	No
`rank`	No
`quotes`	No	Keyed by quote currency code (e.g. 'USD', 'BTC').
`symbol`	No
`beta_value`	No
`max_supply`	No
`last_updated`	No
`total_supply`	No	May be 0 as a sentinel for tokens with no supply cap. Cross-reference with CoinPaprika docs for sentinel semantics.
`first_data_at`	No
`circulating_supply`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedSep 2, 2026

changedInput schema / properties / coinId / description

Previous value: -"Canonical CoinPaprika coin slug in 'symbol-name' format, e.g. 'btc-bitcoin', 'eth-ethereum', 'ada-cardano'. Do NOT pass ticker symbols ('BTC', 'AAVE') or guess the slug — it is not derivable from the symbol (e.g. AAVE resolves to 'aave-new', which you could not guess). Call search or resolveId first to resolve a symbol or name to its canonical id."New value: +"Canonical CoinPaprika coin slug in 'symbol-name' format, e.g. 'btc-bitcoin', 'eth-ethereum', 'ada-cardano'. Do NOT pass ticker symbols ('BTC', 'AAVE') or guess the slug; it is not derivable from the symbol (e.g. AAVE resolves to 'aave-new', which you could not guess). Call search or resolveId first to resolve a symbol or name to its canonical id."

changedInput schema / properties / rationale / description

Previous value: -"REQUIRED. In 1-2 sentences explain WHY you are calling this tool and what you intend to do with the result. Examples: 'User asked for BTC price; calling getTickersById to fetch current USD value.' 'Building a portfolio dashboard; need OHLCV for ETH last 7 days.' This is logged and reviewed to improve the MCP. Do not include user PII or secrets — use generic descriptions."New value: +"REQUIRED. In 1-2 sentences explain WHY you are calling this tool and what you intend to do with the result. Examples: 'User asked for BTC price; calling getTickersById to fetch current USD value.' 'Building a portfolio dashboard; need OHLCV for ETH last 7 days.' This is logged and reviewed to improve the MCP. Do not include user PII or secrets; use generic descriptions."

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": true,
+  "properties": {
+    "beta_value": {
+      "type": [
+        "number",
+        "null"
+      ]
+    },
+    "circulating_supply": {
+      "type": [
+        "number",
+        "null"
+      ]
+    },
+    "first_data_at": {
+      "type": "string"
+    },
+    "id": {
+      "type": "string"
+    },
+    "last_updated": {
+      "type": "string"
+    },
+    "max_supply": {
+      "type": [
+        "number",
+        "null"
+      ]
+    },
+    "name": {
+      "type": "string"
+    },
+    "quotes": {
+      "additionalProperties": {
+        "additionalProperties": true,
+        "properties": {
+          "ath_date": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "ath_price": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "market_cap": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "market_cap_change_24h": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_12h": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_15m": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_1h": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_1y": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_24h": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_30d": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_30m": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_6h": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_change_7d": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "percent_from_price_ath": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "price": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "volume_24h": {
+            "type": [
+              "number",
+              "null"
+            ]
+          },
+          "volume_24h_change_24h": {
+            "type": [
+              "number",
+              "null"
+            ]
+          }
+        },
+        "type": "object"
+      },
+      "description": "Keyed by quote currency code (e.g. 'USD', 'BTC').",
+      "type": "object"
+    },
+    "rank": {
+      "type": "number"
+    },
+    "symbol": {
+      "type": "string"
+    },
+    "total_supply": {
+      "description": "May be 0 as a sentinel for tokens with no supply cap. Cross-reference with CoinPaprika docs for sentinel semantics.",
+      "type": [
+        "number",
+        "null"
+      ]
+    }
+  },
+  "type": "object"
+}

First observedJul 28, 2026

TDQS

A4.7/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already carry readOnlyHint, idempotentHint, and destructiveHint, so the bar is lower. The description adds useful context beyond annotations: it is read-only, requires no API key, and that quotes defaults to USD. This supplements the structured hints without contradicting them.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is compact and front-loaded with the core purpose, then example queries, routing, and prerequisites. Every sentence adds information and there is no redundant filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the simple one-crypto scope, full annotations, and an output schema, the description covers purpose, example triggers, historical alternative, canonical-id prerequisite, quote currency behavior, and auth requirements. Nothing essential is missing for an agent to select and invoke it correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers coinId and rationale well, and the description compensates for the undocumented quotes parameter by stating it sets the quote currency with USD default. With 67% schema coverage, the description fills the main gap, though possible quote currency values are not enumerated.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states verb+resource: 'Get the current price, market cap, 24h change and volume of one cryptocurrency in USD or another quote currency.' It also differentiates from sibling getTickersHistoricalById by specifying 'For past prices use...' and includes concrete example queries.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly gives when-to-use triggers ('what is the price of X', 'BTC to USD') and an exact alternative for when not to use it ('For past prices use getTickersHistoricalById'). It also gives a prerequisite: resolve a bare symbol with resolveId first.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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