What are the pros of Seer?

Brings EVM-grade (Tenderly-style) debugging visibility to Solana. No special setup; works with existing frameworks like Anchor. Source mapping and variable snapshots go far beyond raw log parsing. Can analyze closed-source programs via runtime inspection.

What are the cons of Seer?

Niche developer tool, not useful outside program development. Full source-level detail depends on available mapping for the program. Adds another endpoint and tool to the testing workflow.

How much does Seer cost?

Seer offers a free tier with optional paid upgrades.

Seer Review — 5.0★ | Honest Verdict (2026)

Seer is a transaction debugging tool for Solana that gives developers full source-code-level tracing of program execution. It is the Solana equivalent of what Tenderly offers for EVM, turning a standard RPC test run into detailed execution analysis instead of a pass or fail. It works as a drop-in replacement for solana-test-validator or a mainnet RPC: point your test framework at Seer's endpoint and run transactions as usual, with no special setup and Anchor support. Seer captures the run across multiple lenses: a full call-stack trace of instructions, CPIs, logs, and errors, line-level tracing mapped to source, variable snapshots, and runtime account changes per step. It runs on devnet, testnet, and mainnet. The standout is EVM-grade transaction visibility on a chain where debugging meant parsing raw logs. Seer is for Solana program developers who need to know why a transaction behaved as it did beyond what explorers show. The honest caveat: it is specialized tooling, tracing depends on source mapping, and it adds an endpoint.

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Reviews (1)

Seer has made testing and monitoring my smart contracts way smoother. The real-time simulation and error traces are super clear, so I can spot issues before they ever hit mainnet. With clean docs and fast setup, I’m shipping fixes faster and with way more confidence.

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What users say about Seer.

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