An awesome list of OSS developer-first security tools
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May 15, 2025
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developer-security
Here are 33 public repositories matching this topic...
An ongoing & curated collection of awesome software practices and remediation, libraries and frameworks,payloads and techniques, best guidelines and technical resources about Application Security
application application-security web-security security-vulnerability security-hardening appsec vulnerability-scanners security-scanner security-tools web-security-research security-testing endpoint-security mobilesecurity mdm-server developer-security security-advisory
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Sep 23, 2023 - Python
Application scanning component of OWASP PurpleTeam
devops ci build-tool application-security web-security hacktoberfest devsecops cloud-security security-testing purpleteam application-scanner security-regression-testing devsecops-pipelin developer-security
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Feb 12, 2023 - JavaScript
Fleet AI Security Posture Management (AI-SPM): client agents on each developer machine score their AI coding agents' guard surfaces (Claude Code, Cursor, Codex, Gemini CLI — permissions, hooks, sandboxes, mcp.json) and ship hash-anchored events to a central server + your SIEM. Fleet-wide posture; measures, doesn't block. Rust.
rust security mcp cybersecurity cursor siem soc codex ai-security endpoint-security detection-engineering developer-security ai-agent prompt-injection gemini-cli claude-code mcp-security ai-coding-agent tool-poisoning ai-spm
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Aug 1, 2026 - Rust
TLS scanning component of OWASP PurpleTeam
tls devops ci build-tool application-security web-security hacktoberfest devsecops cloud-security security-testing purpleteam devsecops-pipeline security-regression-testing tls-security developer-security
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Feb 8, 2023 - JavaScript
NEXUS REDFOX — Local-first code intelligence and security analysis platform for developers and security researchers.
python cli open-source static-analysis dependency-analysis code-analysis cybersecurity developer-tools software-analysis software-security security-tools devsecops security-analysis source-code-analysis project-analysis code-intelligence code-security developer-security nexus-redfox
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Aug 13, 2026 - Python
Infrastructure as Code for SUTs
devops ci terraform iac build-tool application-security web-security hacktoberfest sut devsecops cloud-security security-testing purpleteam system-under-test devsecops-pipeline security-regression-testing developer-security
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Jun 19, 2022 - HCL
Server scanning component of OWASP PurpleTeam
devops ci build-tool application-security web-security hacktoberfest devsecops cloud-security security-testing purpleteam devsecops-pipeline server-scanner security-regression-testing developer-security
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Mar 5, 2023 - JavaScript
Stage Two containers of OWASP PurpleTeam
docker devops ci containers build-tool application-security web-security hacktoberfest devsecops cloud-security security-testing purpleteam devsecops-pipeline security-regression-testing developer-security
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Feb 3, 2023 - Shell
AWS Lambda functions of OWASP PurpleTeam
devops lambda ci build-tool application-security web-security hacktoberfest devsecops cloud-security security-testing purpleteam devsecops-pipeline security-regression-testing purpleteam-lambda developer-security
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Jul 13, 2022 - JavaScript
Post-compromise forensic tool for developer workstations
python golang incident-response forensics dfir blue-team threat-emulation supply-chain-security developer-security credential-exposure
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Jun 9, 2026 - Go
Security scanner for VSIX, MCP, AI IDEs, and developer workflow attack paths.
vsix vscode vscode-extension security-scanner sarif ai-security supply-chain-security developer-security ide-security
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May 9, 2026 - Python
How to identify, analyze, and report targeted phishing campaigns on GitHub — with real-world case studies and a step-by-step takedown workflow.
security osint phishing cybersecurity opsec warnings threat-intelligence social-engineering scammers living-off-the-land abuse-reporting phishing-awareness github-security developer-security how-to-secure
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Apr 1, 2026
Instructions and materials to run the HIPSTER workshop
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Aug 15, 2023
Zero-trust API firewall and security integrity layer for autonomous AI agents & Model Context Protocol (MCP) tool execution. Secure, TOCTOU-proof, fail-closed.
rust application-security python-sdk human-in-the-loop owasp-top-10 ai-agents go-sdk zero-trust security-gateway api-firewall developer-security axum agentic-ai model-context-protocol mcp-security fail-closed soc2-compliance cedar-policy cryptographic-integrity action-receipts
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Aug 11, 2026 - Rust
AI-powered vulnerability reporting platform that automates pentest report generation from raw findings into professional, client-ready deliverables.
python ai cybersecurity penetration-testing developer-tools bug-bounty workflow-automation security-tools security-engineering developer-productivity developer-security reporting-pipelines practical-tooling security-productivity
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Apr 8, 2026 - HTML
Claude Code skill that hardens package manager configs against supply chain attacks. Run /harden once, it detects what you have and secures it.
package-manager supply-chain-security developer-security dependency-confusion claude-code npm-security claude-code-skill pip-security
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Apr 3, 2026
Free MCP + AI agent trust preflight: 20 practical checks, safe examples, VS Code tooling, drift review and authority analysis.
mcp vscode secret-management vscode-extension appsec security-checklist devsecops ai-security runtime-security developer-security ai-agent prompt-injection rug-pull agentic-ai model-context-protocol mcp-server agent-security mcp-security ai-agent-security tool-poisoning
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Aug 13, 2026
Official ECZ-ID Agent Trust product and documentation hub. Local-first agent inventory, authority and change inspection for VS Code.
mcp vscode-extension ai-agents zero-trust ai-security local-first open-vsx developer-security agentic-ai agent-security machine-trust ecz-id
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Aug 15, 2026 - Python
Endpoint security for the AI developer — monitor what AI coding agents actually do on your machine.
developer-tools cursor mitmproxy devsecops ai-agents runtime-monitoring ai-security security-monitoring endpoint-security supply-chain-security developer-security ai-monitoring claude-code ai-coding-agents
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Jul 15, 2026 - Python
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