Head-to-head · Comparison
Features, pricing, health score, community ratings — side-by-side from the live MadeOnSol database.
Updated July 5, 2026
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|---|---|---|
| Rating | (3) | (1) |
| Pricing | Paid | Free |
| Health | Healthy | Healthy |
| Chain | solana only | solana only |
| Open Source | ||
| Features | 5 features | 5 features |
| Upvotes |
Pros & cons
Analysis
constant-k constant-k (Kaldera) is a high-performance Solana infrastructure provider delivering low-latency RPC endpoints and Yellowstone gRPC streaming. It runs dedicated nodes across multiple regions, includin... PumpSwap MCP PumpSwap MCP is a Model Context Protocol server that lets AI assistants trade on PumpSwap, pump.fun's DEX for graduated tokens. It gives agents execution access, not just data. Through it, an agent c...
PumpSwap MCP is rated higher by the MadeOnSol community with 5.0/5 stars across 1 review, compared to 4.7/5 for constant-k (3 reviews). That said, ratings only tell part of the story — what matters most is which tool fits your specific workflow.
constant-k uses a paid model, while PumpSwap MCP is free. PumpSwap MCP has the edge for budget-conscious users, though constant-k's paid tier may offer features worth paying for.
constant-k offers 5 features including Low-latency Solana JSON-RPC endpoints across multiple regions (Frankfurt and New York), Yellowstone gRPC streaming for real-time account and transaction data, Low-latency shred-level (deshred) streams that surface activity ahead of confirmed blocks, and 2 more. PumpSwap MCP counters with 5 features including MCP server for trading on PumpSwap, Buy/sell with customizable slippage and priority fees, Token price lookups, and 2 more. The right choice depends on which specific features matter for your use case — check the individual review pages for full breakdowns.
We monitor both tools around the clock for uptime, SSL validity, and response times. constant-k currently has a healthy health status with 100.0% uptime over the last 30 days. PumpSwap MCP is rated healthy with 100.0% uptime. For any tool you trust with your funds, trades, or yield, uptime and speed are non-negotiable.
constant-k's key strengths include multi-region nodes let you connect to the closest endpoint for minimal latency, yellowstone grpc plus deshred streams suit snipers, copy-trading, and data pipelines, competitively priced — among the more affordable grpc providers, with crypto-friendly tiered plans.
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| ▲ 2 |
| ▲ 1 |
| Twitter Followers | 226 | — |
| Categories | Data & Indexing, RPC Providers | MCP Servers |
| Description | Multi-region Solana RPC and Yellowstone gRPC streaming for latency-sensitive trading | Buy and sell tokens on PumpSwap with customizable slippage and priority fees via AI agents |
While constant-k (Data & Indexing) and PumpSwap MCP (MCP Servers) serve different primary purposes, users often consider both when building their Solana toolkit. PumpSwap MCP has the community's vote, but your mileage may vary depending on your specific needs. We recommend trying both — check constant-k's pricing and PumpSwap MCP is free to start. Read user reviews on each tool's page for real-world feedback from the Solana community.