In-depth architectural comparison of the CostBench and Graph Polymarket 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
CostBench
Finance & Fintech · Local stdio
Quality: 55/100 (Good) | Auth: No auth required
Graph Polymarket MCP
Finance & Fintech · Local stdio
Quality: 59/100 (Good) | Auth: API Key required
Verdict Summary: Choose CostBench if you need specialized Finance & Fintech tools running via a local process. Choose Graph Polymarket 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 CostBench when:
You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Full sourced pricing record for a product: tiers, hidden costs, contract terms, market data, sentiment, negotiation tips, TCO scenarios, and price history — each claim with its sources. Args: `slug`, optional `depth` (`summary`\
get_hidden_costs
The documented hidden / implementation / add-on costs (uplifts, onboarding fees, overages), each with a sourced quote + date. Args: `slug`.
get_negotiation_tips
Sourced negotiation tactics with success-likelihood. Args: `slug`.
get_price_history
Per-quarter price snapshots + trend — has the price changed? Args: `slug`.
compare_software
Side-by-side pricing for 2–4 products (starting price, median annual cost, free tier, ratings). Args: `slugs` (array).
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
CostBench is categorized under Finance & Fintech and uses a local stdio subprocess. In contrast, Graph Polymarket MCP belongs to Finance & Fintech using local stdio subprocess. Select CostBench when you need capabilities focused on finance & fintech and Graph Polymarket MCP when you require tools for finance & fintech.
Find products by `category`, `maxPrice`, `hasFreeTier`. Returns matching slugs to look up.
calculate_tco
Total cost of ownership for a product and team size: sourced line items, year-one + multi-year totals, effective per-seat cost. Args: `slug`, `seats`, optional `tier`, `termYears`.
estimate_llm_cost
Cost of an LLM/API workload (input + output tokens) for a usage-priced provider, from its real rate card. Args: `slug`, `inputTokens`, `outputTokens`, optional `model`.
get_price_changes
Recent pricing changes CostBench detected against vendor pricing pages — dated, before/after bands, source link. Args: optional `slug`, `category`, `days` (default 30), `limit` (default 25). Same data as the public feed at `https://costbench.com/data/pricing-changes.json`.
Graph Polymarket MCP Tools (35)
list_subgraphs
List all available Polymarket subgraphs with descriptions and key entities
get_subgraph_schema
Get the full GraphQL schema (introspection) for a Polymarket subgraph
query_subgraph
Execute a custom GraphQL query against a Polymarket subgraph
get_market_data
Get Polymarket market/condition data including outcomes and volumes from the Main subgraph
get_account_pnl
Get a trader's P&L and performance metrics from the Beefy P&L subgraph
get_user_positions
Get a user's current positions from the Slimmed P&L subgraph. Falls back gracefully if indexers are behind.
get_recent_activity
Get recent splits, merges, and redemptions from the Activity subgraph
get_orderbook_trades
Get recent order fills from the Orderbook subgraph
get_global_stats
Get aggregate Polymarket platform statistics. Combines market counts from the Main subgraph with accurate volume/fee/trade data from the Orderbook subgraph.
get_daily_stats
Get daily platform statistics from the Beefy P&L subgraph: volume, fees, trader counts, and market activity per day. Use this for trend analysis and historical performance.
get_top_traders
Get the top Polymarket traders ranked by realized P&L, win rate, or volume from the Beefy P&L subgraph.
get_market_positions
Get the top positions for a specific market token from the Beefy P&L subgraph. Shows who holds the largest positions and their P&L.