Review Solana RPC diffs for hot-path performance and validator safety.
npx skills add https://github.com/Xipher-Labs/walter-os --skill solana-rpc-review
Please help me install this Agent Skill. Skill: solana-rpc-review Source: https://github.com/Xipher-Labs/walter-os/tree/main/skills/solana-rpc-review Command: npx skills add https://github.com/Xipher-Labs/walter-os --skill solana-rpc-review
It prevents performance regressions and correctness hazards in Solana RPC and streaming infrastructure where latency at p99 and validator stability are critical.
Use this skill to review a PR diff that touches Solana RPC method handlers, gRPC streaming code, or Geyser plugin callbacks for perf risk, backpressure behavior, and validator safety.
High-intent search queries and answers about installing and using this skill.
Review Solana RPC infrastructure changes by analyzing diffs involving gRPC streaming and subscription handlers to flag allocations, lock contention, and async cancellation issues before they cause latency or memory failures.
gRPC streaming backpressure prevents memory blowups by enforcing bounded buffers and flow-control behavior under slow clients, ensuring lag handling does not trigger silent memory accumulation that destabilizes the validator.
Solana RPC correctness checks should verify compute budgeting, account discriminator and owner validation, pagination, timeouts, and common gotchas like lamports versus SOL and slot versus block height.
Yes, this review process works directly with Yellowstone gRPC and Geyser plugin diffs, enforcing panic containment, bounded handoff queues, and memory-budget awareness to maintain validator-level stability.
Geyser plugins cause validator instability under high throughput when they lack panic containment, unbounded handoff queues, and proper memory-budget awareness, leading to performance regressions and safety hazards.
The best way to catch hot-path allocation issues is to review request and message handling code for lock contention, missing backpressure patterns, and async correctness issues that degrade p99 latency.
agiprolabsStream Solana blockchain data via Yellowstone gRPC protocol.
cosmixRun load tests with k6, Locust, or Artillery and report latency, throughput, and error rate.
hung-phanAnalyze and implement backpressure strategies for distributed systems.
jabrenaProfile Java applications with async-profiler v4.x to detect CPU, memory, lock, GC, and I/O bottlenecks.
