In-depth architectural comparison of the Crypto Funds Mcp and Sieve Mcp MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Crypto Funds Mcp
Finance & Fintech · Remote HTTP/SSE
Quality: 37/100 (Fair) | Auth: API Key required
Sieve Mcp
Finance & Fintech · Local stdio
Quality: 56/100 (Good) | Auth: API Key required
Verdict Summary: Choose Crypto Funds Mcp if you need specialized Finance & Fintech tools running via a hosted cloud SSE transport. Choose Sieve Mcp if your workspace requires Finance & Fintech integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Crypto Funds Mcp when:
You need dedicated capabilities in the Finance & Fintech domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
You have access to required keys: CRYPTORANK_API_KEY.
Primary tools included: List all investors and funds, Filter, sort, and paginate fund searches, Retrieve basic fund metrics.
Providing AI agents with structured, real-time data on cryptocurrency investment funds.
AI-powered startup due diligence. Screen any startup across 7 IMPACT-X dimensions, get a Sieve Score (0-140) with evidence-typed findings and a clear meeting recommendation. Built for VCs, solo GPs, and angel investors.
Crypto Funds Mcp is categorized under Finance & Fintech and uses a remote streaming HTTP/SSE transport. In contrast, Sieve Mcp belongs to Finance & Fintech using local stdio subprocess. Select Crypto Funds Mcp when you need capabilities focused on finance & fintech and Sieve Mcp when you require tools for finance & fintech.
Run a Sieve IMPACT-X Quick Screen on a startup.
Analyzes the company across 7 dimensions (Innovators, Market, Product,
Advantage, Commerce, Traction, X-Factor) and returns an analysis ID.
Takes 2-5 minutes to complete. Upserts -- if the company was previously
screened, returns the existing deal (set confirm=true to re-screen).
Two ways to use:
- v3 (recommended): First add documents with sieve_dataroom_add, then
call sieve_screen(deal_id=...) to analyze everything in the data room.
- v2 (legacy): Call sieve_screen(company_name=..., website_url=...) directly.
At least one of website_url or pitch_deck_text is required in this mode.
sieve_status
Check the progress of a Sieve analysis.
Returns which IMPACT-X dimensions are complete with their scores,
overall progress percentage, and current phase.
sieve_results
Get the full results of a completed Sieve analysis.
Returns the Sieve Score (0-140), meeting decision (Take Meeting/Pass/
Need More Info), executive summary, key strengths, and key concerns.
sieve_usage
Check your Sieve API usage for the current billing period.
Shows screens used, monthly limit, tier, and organization name.
sieve_deals
List deals in your Sieve pipeline.
Search by company name or list all deals. Returns deal metadata
including Sieve scores for screened deals.
sieve_memo
Get or generate an investment memo for a deal.
If generate=false (default), retrieves the existing memo.
If generate=true, creates a new memo (~15-30 seconds).
Requires a completed screen.
sieve_dataroom_add
Add a document to a deal's data room. Creates the deal if needed.
This is the primary way to get documents into Sieve for screening.
Upload a pitch deck, financials, or any document -- then call sieve_screen
to analyze everything in the data room.
Provide company_name to create a new deal (or find existing),
or deal_id to add to an existing deal.
Provide exactly one content source: file_path (local file),
text (raw text/markdown), or url (fetch from URL).
sieve_dataroom
List all documents in a deal's data room.
Shows what files and content have been uploaded for a deal,
along with their processing status.