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Cross-chain cryptocurrency swaps via Chainflip with quote generation, swap execution, and progress tracking.
Do not connect
A critical issue was found. Do not connect this server as-is.
Scanned 1 month ago Due for re-check
A server can change after it's graded. Re-run the automated scan to refresh this report.
This grade is deterministic and reproducible: the same server surface always yields the same grade under a given algorithm version. It is a real automated assessment computed by the MCPGrade engine from what the probe actually observed — not a fabricated or opinion score. It is not a manual human pentest, so it can miss context-specific risks.
Every signal below was measured directly by the automated probe. The grade is derived only from evidence like this — nothing is assumed.
The Broker as a Service MCP server exposes 6 tools, focused primarily on general-purpose capabilities. Its published description reads: "Cross-chain cryptocurrency swaps via Chainflip with quote generation, swap execution, and progress tracking". It communicates over Streamable HTTP using the 2025-06-18 protocol revision, and does not require authorization to connect. MCPGrade currently rates Broker as a Service F — a critical issue was found and the server should not be connected as-is. Its most notable findings include "Tool input schema requests a secret" and "Tool input schema requests a secret". This report is a deterministic, reproducible automated assessment: the same observed surface always yields the same grade under a given algorithm version, and it is refreshed as new scans arrive and free to read — but it is not a substitute for a manual human security review. Always re-check Broker as a Service's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add Broker as a Service to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://chainflip-broker.io/mcpStreamable HTTP transport. This is the MCP endpoint, not a website — paste it into your MCP client server list rather than a browser.
Captured passively during the read-only scan. Click any value to find servers that match it.
The tools this server advertises via tools/list — names, purposes, and the parameters each accepts, exactly as enumerated read-only.
Get swap quotes for exchanging one crypto asset to another. Returns available quotes with exchange rates, fees, and estimated output amounts. API key is optional.
Start a DCA (Dollar Cost Averaging) cross-chain swap that splits into multiple sub-swaps over time. Returns the deposit address. API key is optional.
Sorted worst-first. Each finding shows its severity, what it means, its OWASP MCP Top-10 mapping, and a recommended fix — the check id links to the exact methodology row that produced it.
tool: get_quotes
The input schema declares a parameter that asks the caller to hand over a password, key, token, or other secret — a credential-harvest / token-passthrough risk. (Bare pagination `token` params are excluded.)
parameter "apiKey"RecommendationNever pass secrets as tool arguments; authenticate out-of-band and remove credential parameters from the schema.
tool: start_dca_swap
The input schema declares a parameter that asks the caller to hand over a password, key, token, or other secret — a credential-harvest / token-passthrough risk. (Bare pagination `token` params are excluded.)
parameter "apiKey"RecommendationNever pass secrets as tool arguments; authenticate out-of-band and remove credential parameters from the schema.
tool: start_swap
A tool exposes a free-text/webhook/feedback parameter with no honest purpose — a classic exfil channel.
r source asset. API key is optional. {"type":"object","properties":{"soRecommendationRemove side-channel parameters; constrain tool inputs.
tool: start_swap
The input schema declares a parameter that asks the caller to hand over a password, key, token, or other secret — a credential-harvest / token-passthrough risk. (Bare pagination `token` params are excluded.)
parameter "apiKey"RecommendationNever pass secrets as tool arguments; authenticate out-of-band and remove credential parameters from the schema.
tool: get_native_quotes
The input schema declares a parameter that asks the caller to hand over a password, key, token, or other secret — a credential-harvest / token-passthrough risk. (Bare pagination `token` params are excluded.)
parameter "apiKey"RecommendationNever pass secrets as tool arguments; authenticate out-of-band and remove credential parameters from the schema.
tool: (server instructions)
A tool description tries to alter the model’s use of another tool.
ing quotes. Use get_quotes with human-readable amounts (e.g., 1.5 for 1.5RecommendationDescriptions must describe only their own tool.
The server accepts tool enumeration (and likely invocation) with no authentication.
RecommendationRequire OAuth 2.1 authorization for any server exposing non-public tools.
tool: get_quotes
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: start_dca_swap
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: start_swap
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: get_native_quotes
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
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Check the status of a swap by its ID. Returns the current swap state including deposit detection, swap progress, and egress information.
List all available swap assets and their details including ticker, network, direction, decimals, minimum amounts, and current USD prices.
Start a cross-chain swap. Returns the deposit address where you should send your source asset. API key is optional.
Get swap quotes for exchanging one crypto asset to another using native (smallest unit) amounts. Returns available quotes with exchange rates, fees, and estimated output amounts. Use this when you hav