Skip to content
@Recon-Fuzz

Recon

Cloud Fuzzing, Invariant Testing and Boutique Security Reviews

Recon

Recon is a boutique audit firm, that is making Invariant Testing the new default

Check our Open Source repositories for:

  • Create Chimera App: The easiest way to start writing and running Invariant Tests, currently on it's 2nd version
  • Audits: Our public audit Reports, we publish 100% of reports, unless our customers ask us not to

Our team has saved Tens of Millions of live, at risk, funds, and has prevented billions in dollars in damages through our audits

Trusted By

  • Badger
  • Centrifuge
  • Corn
  • Smilee
  • Liquity
  • Solidity Labs
  • Onchainification
  • Balancer DAO
  • Beraborrow
  • Credit Coop

Our customers have over $1 BLN in TVL

Services

  • Audits powered by Invariant Testing
  • Recon Pro: Best in class way to run Echidna, Medusa, Foundry, Halmos and Kontrol in the cloud, with extensive automations, alerts and ongoing fuzzing utilities
  • Invariant Testing Engagements, bootstrap your invariants or maintain them with our extremely experienced engineers
  • Security Audits by Alex The Entreprenerd and other highly qualified, trusted, researchers
  • Ongoing onchain monitoring, automated invariant tests to prevent real world exploits

Trophies

We ran invariant tests against some of the toughest codebase

  • Badger - Crit
  • Centrifuge - Med
  • Tapioca - Highs and Meds
  • Euler - Broken Spec

And many more we are awaiting for permission to publish

Best Practices

We offer multiple starter templates for invariant testing

Feel free to browse around or try our tools at: https://getrecon.xyz/

We can help you build smart contracts, reach out for advisory services

Popular repositories Loading

  1. chimera chimera Public

    Smart Contract Property-Based Testing Framework

    Solidity 112 12

  2. create-chimera-app create-chimera-app Public template

    One click magically working Foundry + Medusa + Echidna Starter

    Solidity 35 13

  3. eigenlayer-fuzzing eigenlayer-fuzzing Public

    Solidity 6 2

  4. erc7540-reusable-properties erc7540-reusable-properties Public

    Solidity 5 1

  5. call-test-undo call-test-undo Public

    CallTestAndUndo - a simple abstract contract to help you write invariant tests that do not influence the story

    Solidity 4

  6. log-parser log-parser Public

    Npm Package for Medusa and Echidna log parsing logic

    TypeScript 4 2

Repositories

Showing 10 of 33 repositories
  • safe-utils Public

    Interact with the Safe API from Foundry scripts

    Recon-Fuzz/safe-utils’s past year of commit activity
    Solidity 2 1 1 0 Updated Apr 18, 2025
  • create-chimera-app Public template

    One click magically working Foundry + Medusa + Echidna Starter

    Recon-Fuzz/create-chimera-app’s past year of commit activity
    Solidity 35 13 0 0 Updated Apr 18, 2025
  • recon-extension Public

    Extension to Scaffold, Run and Debug Invariant Tests with Echidna, Medusa and Foundry

    Recon-Fuzz/recon-extension’s past year of commit activity
    TypeScript 4 MIT 1 3 0 Updated Apr 17, 2025
  • abi-to-mock Public

    Generate Solidity mock contracts automatically from Ethereum ABIs.

    Recon-Fuzz/abi-to-mock’s past year of commit activity
    TypeScript 2 2 1 0 Updated Apr 17, 2025
  • recon-docs Public

    Documentation for the Recon UI

    Recon-Fuzz/recon-docs’s past year of commit activity
    0 1 0 0 Updated Apr 16, 2025
  • log-parser Public

    Npm Package for Medusa and Echidna log parsing logic

    Recon-Fuzz/log-parser’s past year of commit activity
    TypeScript 4 2 7 0 Updated Apr 10, 2025
  • tenderly-utils Public

    Interact with the Tenderly API from Foundry scripts

    Recon-Fuzz/tenderly-utils’s past year of commit activity
    Solidity 0 0 0 0 Updated Apr 8, 2025
  • .github Public
    Recon-Fuzz/.github’s past year of commit activity
    0 0 0 0 Updated Apr 2, 2025
  • example-project Public

    A very simple example project of using Create Chimera App for Invariant Testing - https://book.getrecon.xyz/tutorial/sample_project.html

    Recon-Fuzz/example-project’s past year of commit activity
    Solidity 0 0 0 0 Updated Apr 2, 2025
  • solidity-http Public

    Solidity HTTP client

    Recon-Fuzz/solidity-http’s past year of commit activity
    Solidity 0 MIT 0 0 0 Updated Mar 31, 2025

Top languages

Loading…

Most used topics

Loading…