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Rendezvous

Rendezvous

Stacks Labs

Best for Fuzzing Clarity smart contracts on Stacks

Chains
Stacks (network not stated)* Docs name the chain but not the network.
Price
Free (open source)
License
GPL-3.0-only

Rendezvous (rv) is a fuzzer for Clarity contracts that runs property-based and invariant tests written in Clarity itself, inside the contract as simnet-only code that Clarinet strips before deployment. It is free and GPL-3.0 licensed, installed from npm. It runs against a local simulated network, works within a Clarinet project, and only finds what your properties and invariants describe; the latest release is v1.0.3 from August 2026.

Catch Tests live in your contract as simnet-only code; needs a Clarinet project

Visit Rendezvous Checked Oct 27, 2026 against the maker's page for Rendezvous (price and verdict source)

What Rendezvous does

Confirmed on Stacks Labs's own pages. Not listed means not confirmed yet.

Analysis

Workflow

Chain support, with sources

We only add a chain when the maker's own docs name it. "EVM-compatible" alone counts for no specific chain. A testnet-only record means the page we checked only shows testnet; it isn't a finding that mainnet is unsupported. This is what the docs say, not a test or security review.

Common questions about Rendezvous

Which blockchains does Rendezvous support?
They name Stacks without saying which network. Every chain links to the maker's own page above.
How much does Rendezvous cost?
Free (open source).
Is Rendezvous open source?
Yes, GPL-3.0-only.

Docs: docs.stacks.co/rendezvous/overview

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