- mattpocock/skills β agent skills for engineers
mattpocock/skills is a collection of small, composable "agent skills" for software engineering that install into Claude Code, Codex, GitHub Copilot, Gemini CLI, Cursor, OpenCode, Devin, Windsurf, Amp and Pi via plugin managers or the `npx skills` CLI. It packages practices like interview-driven requirement gathering (/grill-me, /grill-with-docs), domain-model/glossary building, test-driven development with red-green-refactor (/tdd), bug diagnosis loops, codebase architecture improvement, ticket triage and spec-to-implementation workflows (/to-spec, /to-tickets, /implement, /implement-spec), splitting skills into user-invoked orchestrators and model-invoked reusable disciplines. It's built by Matt Pocock as an alternative to heavier process-owning frameworks like GSD, BMAD and Spec-Kit, aiming to keep engineers in control while giving coding agents better feedback loops and shared vocabulary.
github.comrepoAdded 8 Oct 2026π§ AI - Sub-1-Bit LLM Compression via Latent Factorization
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github.comrepoPublished and added 8 Oct 2026π§ AI - chainguard-dev/malcontent
malcontent is Chainguard's open-source malware/supply-chain discovery tool that analyzes binaries (ELF, Mach-O, PE, a.out) and scripting-language source across Linux, macOS and Windows using 14,500+ YARA rules (including third-party rules from Avast, Elastic, FireEye, Mandiant, Nextron and ReversingLabs). Its standout feature is differential analysis ("mal diff"), which compares two versions of a build artifact or OCI image against a known-good baseline to surface newly introduced risky behaviors β the technique the project demonstrates on the 3CX supply-chain compromise by flagging unexpected high-risk changes to libffmpeg. It also supports threshold-based scanning ("mal scan") and unfiltered capability enumeration ("mal analyze"), and is designed to run inside CI/CD pipelines, including air-gapped environments via embedded rules.
github.comrepoAdded 8 Oct 2026π‘οΈ Security - target/strelka
Strelka is Target's open-source, container-based real-time file scanning system for threat hunting, threat detection, and incident response, built in Go and Python. It runs 50+ scanners (YARA, PE parsing, encrypted ZIP cracking, entropy analysis, etc.) to extract metadata and content from files at enterprise scale, which can feed a SIEM for alerting on suspicious artifacts like an Emotet-laden encrypted ZIP payload.
github.comrepoAdded 8 Oct 2026π‘οΈ Security - The Vulnerable MCP Project β MCP vulnerability database
The Vulnerable MCP Project is a curated, continuously growing database of security vulnerabilities and attack techniques specific to the Model Context Protocol ecosystem. Entries cover concrete CVEs (e.g. CVE-2025-68143/68144/68145 in Anthropic's mcp-server-git), transport-layer SDK flaws (cross-client response leakage, missing DNS rebinding protection in the official TypeScript/Python SDKs), unauthenticated/0.0.0.0-bound servers enabling RCE (MCPJam inspector, MCP Inspector, Grafana MCP), command/path injection in dozens of third-party servers (gemini-mcp-tool, mcp-server-kubernetes, Framelink Figma MCP, Zen MCP, filesystem-mcp), SSRF chains reaching cloud metadata (MarkItDown MCP, mcp-fetch-server), and a large set of AI-specific attacks: tool poisoning, trigger-phrase data exfiltration, prompt injection via GitHub issues, Jira and Google Docs, rug-pull tool mutation, and cross-server tool-name collisions. It functions as the de facto vulnerability registry for the MCP ecosystem, useful for tracking disclosed issues before patching or adopting third-party MCP servers.
vulnerablemcp.inforepoAdded 6 Oct 2026π‘οΈ Security - Microsoft Agent Framework python-1.20.0 release
Release notes for python-1.20.0 of Microsoft's Agent Framework, an open-source agent/workflow orchestration library. This release adds native vector-store connectors for DuckDB, SQL Server and MongoDB plus a TypeSafe AI connector, redesigns Foundry hosting around request-scoped agent factories and sandbox-isolated sessions, adds computer-use support to Responses clients, and ships Magentic manager and handoff-routing improvements for multi-agent orchestrations alongside a large batch of MCP, Bedrock, Gemini, Anthropic and Ollama provider fixes.
github.comrepoAdded 6 Oct 2026π§ AI - Microsoft Agent Framework β python-1.20.0 release
Release notes for Microsoft's Agent Framework (Python and .NET SDKs), covering versions python-1.16 through python-1.20 and dotnet-1.19 through dotnet-1.23. Changes span native vector-store connectors (MongoDB, Qdrant, PostgreSQL/pgvector, DuckDB, SQL Server, Azure Cosmos DB, Azure AI Search), Foundry hosting redesigns around request-scoped agent factories and durable Invocations, MCP skill/session security hardening (approval binding, security labels, ZIP-only skill archives), Magentic multi-agent orchestration and handoff routing, and checkpoint/replay correctness fixes across workflows.
github.comrepoAdded 2 Oct 2026π§ AI - SpecterOps/Blacklight β local AI agent attack surface mapping toolkit
Blacklight is a SpecterOps toolkit for endpoint forensics on AI coding agents, split into Scout (bounded metadata/filesystem triage across Codex, Claude Code, Cursor, Antigravity CLI, and Grok that finds candidate session artifacts without reading their contents) and Session Analysis (a Python CLI that parses selected JSONL/SQLite session downloads from Codex, Claude Code, Cursor, and Antigravity CLI into ranked, redacted local reports). It's built for investigators who need to identify and review AI agent session history on a host β surfacing config, auth metadata, and high-value indicators β while explicitly leaving secret scanning to external tooling; paths are informed by SpecterOps' Endpoint AI Agent Abuse (EAA) technique catalog.
github.comrepoAdded 27 Sep 2026π‘οΈ Security - Hindsight β Agent Memory That Learns
Hindsight is an open-source agent memory system (MIT-licensed, self-hostable via Docker/Helm or usable as Hindsight Cloud) that goes beyond RAG-style recall by having agents learn through consolidated observations and mental models built from retained facts and experiences. It exposes retain/recall/reflect operations, a built-in MCP server per memory bank, Python/Node/Go/CLI clients, an LLM-wrapper for drop-in memory on OpenAI/Anthropic calls, and reports state-of-the-art results on the LongMemEval long-term memory benchmark, independently reproduced by Virginia Tech's Sanghani Center and The Washington Post.
github.comrepoAdded 26 Sep 2026π§ AI - https://github.com/davila7/claude-code-templates/tree/main/cli-tool/components/skills/security/security-threat-model
A directory within the davila7/claude-code-templates repo containing a "security-threat-model" Skill for Claude Code: a SKILL.md instruction file plus supporting agents and reference files that package a reusable threat-modeling workflow for the coding agent. It's an example of the emerging pattern of distributing structured, invocable skills (instructions + sub-agents + reference docs) that extend Claude Code's capabilities, rather than a security research artifact itself.
github.comrepoAdded 2 Oct 2026, published 25 Sep 2026π§ AI - shai-hulud-detect: multi-ecosystem npm/PyPI/Composer/Crates/Go/Hex/RubyGems supply-chain worm scanner
shai-hulud-detect is a dependency-free Bash scanner that checks projects against a 5,782-entry list of compromised npm, PyPI, Composer, Crates, Go, Hex, and RubyGems package versions, plus content-pattern indicators of compromise (malicious file hashes, C2 domains, dead-man's-switch artifacts, forged commits, suspicious lifecycle hooks) tied to the Shai-Hulud supply-chain attack waves. It supports single-project and bulk scanning, CI-friendly exit codes, JSON/log output for pipeline gating, and a --check-host mode to detect the May 2026 gh-token-monitor/kitty-monitor persistence daemons that wipe hosts if their monitored GitHub token is revoked (with a documented safe remediation order). Detection is read-only; new package entries are sourced from named threat-research firms (Socket, StepSecurity, Aikido, Snyk, JFrog, Wiz, Semgrep, SafeDep, GitGuardian, OX Security) and cited in PRs.
github.comrepoAdded 23 Sep 2026π‘οΈ Security - nealbridges/VulnHunter
A maintained, harness-portable fork of Capital One's open-source VulnHunter β an agentic AI tool that performs attacker-first forward analysis on source code to find exploitable vulnerabilities, falsify weak findings, and produce evidence-backed PoCs rather than pattern-matched SAST alerts. This fork adds containerized (Docker-based) exploit validation, measured-impact PoCs (rows leaked, amplification factor, etc.), and portability across agent harnesses (Claude Code, Codex, Grok, etc.) via environment-contract prompt files, plus an unattended operator (vulnhunter-run) and batch-scanning/benchmark harness tested against OWASP NodeGoat, Juice Shop, and WebGoat.
github.comrepoAdded 6 Oct 2026, published 22 Sep 2026π‘οΈ Security - watchTowr detection artifact generator for Splunk CVE-2026-20253
A Python script from watchTowr Labs that checks whether a Splunk Enterprise instance is vulnerable to CVE-2026-20253, a pre-auth RCE stemming from unauthenticated access to the PostgreSQL Sidecar Service's /v1/postgres/recovery/backup endpoint. It probes the endpoint and reports vulnerable/not-vulnerable based on the HTTP response code, without performing actual exploitation. Affected versions span Splunk Enterprise 10.0.0β10.0.6 and 10.2.0β10.2.3; 10.0.7, 10.2.4, and 10.4.0 are patched.
github.comrepoAdded 21 Sep 2026π‘οΈ Security - RepoGuardBench
RepoGuardBench is a benchmark and accompanying paper that measures whether local open-weight coding agents (Qwen2.5-Coder 1.5B-14B via Ollama) stay on the bug-fix task when repository artifacts β README files, issue text, code comments, test logs, and agent-rule files β carry inert prompt-injection instructions. It evaluates five lightweight context- and action-level defenses (D0-D5, including a path-only action gate) across seven metrics in a sandboxed task workspace, finding no statistically clear utility winner among them. The project ships a deterministic no-GPU smoke test, paper-claim verification scripts, and reproducible tables/figures under MIT (code) and CC BY 4.0 (data) licenses.
github.comrepoAdded 22 Sep 2026, published 13 Sep 2026π‘οΈ Security - AWSHound β AWS BloodHound OpenGraph Collector
AWSHound is a Go CLI/container tool that collects AWS IAM and authorization data across profiles, config-file opt-ins, or an entire AWS Organization (via cross-account role assumption), and outputs a BloodHound OpenGraph for attack-path analysis. It supports phased collection with on-disk artifacts, offline graph building from previously collected data, and safeguards like --max-api-requests and --max-api-requests-per-minute to bound AWS API traffic during collection.
github.comrepoAdded 8 Sep 2026π‘οΈ Security - PlamenTSV/plamen
Plamen is an open-source Python orchestrator that drives 18-100 Claude Code or OpenAI Codex CLI agents across 40+ phases to autonomously audit smart contracts (EVM/Solidity, Solana/Anchor, Aptos Move, Sui Move, Soroban, DAML/Canton) and L1 node-client infrastructure (Go/Rust consensus, p2p, mempool code), producing a severity-tiered AUDIT_REPORT.md with verified proof-of-concept exploits for each finding. It integrates MCP servers for Slither, ChromaDB and Solodit, ingests vulnerability corpora from Solodit, DeFiHackLabs and Immunefi to ground findings, and runs a PTY-supervised worker-pool architecture with checkpoint/resume, artifact-based completion gating, and a dedicated L1 mode with consensus-invariant and network-surface depth agents.
github.comrepoPublished and added 7 Sep 2026π‘οΈ Security - 0x4D31/endpoint-ai-agent-abuse
endpoint-ai-agent-abuse (EAA) is a curated, evidence-scoped taxonomy of techniques for abusing local, endpoint-resident AI agents β especially coding and developer agents β covering launchers/flags, provider routing, instructions, memory, hooks, plugins, skills, MCP, transcripts, telemetry, and inherited local-user authority. Each technique is tagged by maturity (feasible, demonstrated, observed) and backed by cited incidents, artifacts, or research, with companion files for surfaces, tactics, case mappings, and detection/hunting hypotheses plus a validator script and JSON schema for the catalog.
github.comrepoPublished and added 7 Sep 2026π‘οΈ Security - Numbat
Numbat is a Go-based, single-binary endpoint agent from Perplexity AI that gives visibility into AI coding-agent activity (Claude Code, Codex, OpenClaw, and other CLI/IDE/gateway agents) by capturing events through local hooks, OTLP/HTTP logs, and on-disk session artifacts. It normalizes activity into one event model, evaluates it with a local CEL rule engine (including multi-step sequence rules like secret-read-then-egress), and can optionally block matched actions via synchronous pre-action hooks (deny/monitor decisions), with case bundles and SHA-256 manifests for forensic reconstruction. Example built-in rules detect cloud-metadata SSRF requests (169.254.169.254) and credential-exfiltration chains, mapped to MITRE ATT&CK technique tags.
github.comrepoPublished and added 5 Sep 2026π‘οΈ Security - Agenta-AI/awesome-ai-agent-platforms
A curated, CC0-licensed GitHub list cataloguing open-source AI agent platforms across five categories: persistent AI coworkers (Agent Zero, Agenta, LibreChat, LobeChat, Open WebUI, OpenClaw), developer agent frameworks (CrewAI, LangGraph, LlamaIndex, Haystack, Langflow, Letta, Agno, Pydantic AI, OpenAI Agents SDK), workflow/automation runtimes (n8n, Temporal, Prefect, Dagster, Apache Airflow, Windmill), browser agents (Browser Use, Skyvern), and coding agents (Aider, Cline, Goose, OpenHands, Open Interpreter). Each entry states a factual one-line description plus its license and hosting model, with selection criteria requiring an active repo, a usable product, and verifiable licensing β companion comparison table hosted at aiagentplatforms.dev.
github.comrepoAdded 30 Sep 2026, published 2 Sep 2026π§ AI - choirboy-prompt
choirboy-prompt is a cross-runtime agent-memory plugin that loads project lore, research indexes, and validated dossiers into agent sessions via SessionStart hooks (Claude Code, Codex) or full plain-text payloads (Kimi, OpenCode, Hermes), so new conversations continue from established project history instead of starting cold. It handles installation across multiple agent apps, migration of project artifacts between checkout locations, and includes a build/verify pipeline (build-context.py, test.sh) for authoring canonical lore files like prompt.md, user.md, and lore.md.
github.comrepoAdded 22 Sep 2026, published 31 Aug 2026π§ AI - Cloudflare Computer
Cloudflare Computer is a preview virtual filesystem living inside a Durable Object, with authoritative state in SQLite exposed through three pluggable execution backends: a full Linux container mounted via FUSE and capnweb RPC, an isolated shell (just-bash) running in a Dynamic Worker, and isolated JavaScript modules in a fresh Dynamic Worker with scoped fs/git/artifacts access. It's designed as sandboxing infrastructure for AI agents, with examples demonstrating per-backend egress policy controls (none/all/custom) and MCP-based code execution tools, making it relevant to securely isolating and constraining agent/LLM code execution.
github.comrepoAdded 3 Sep 2026, published 25 Aug 2026π‘οΈ Security - Teycir/BurpAPISecuritySuite
BurpAPISecuritySuite is a Jython-based Burp Suite extension that consolidates API reconnaissance, intelligent fuzzing (108+ payloads across 15 attack types including BOLA, IDOR, JWT exploitation, GraphQL abuse, SSTI, and WAF bypass), and passive deep-logic checks (counterfactual differentials, sequence invariants, token lineage, cross-interface parity drift) into a single tool covering the OWASP API Top 10. It auto-captures and normalizes API traffic, exports attack campaigns to Burp Intruder/Turbo Intruder/Nuclei, and generates AI-ready bundles (ChatGPT/Claude/Ollama) for LLM-assisted triage, while orchestrating external tools like ApiHunter, Katana, httpx, FFUF, Kiterunner, sqlmap, and Dalfox for verification.
github.comrepoPublished and added 21 Aug 2026π‘οΈ Security - HarnessRouter/harnessrouter
HarnessRouter is a self-hostable (Docker) infrastructure layer that wraps existing agent harnesses such as Codex and Claude Code behind one OpenAI Responses-compatible API, letting a product run tasks, stream progress, manage files/artifacts, and switch harnesses without writing harness-specific integration code. It implements the Unified Harness Protocol (UHP), a versioned, OpenAI Responses-compatible contract with a reference implementation, schemas, and conformance suite, plus features like per-session workspaces, custom harness configuration with tools/skills/MCP servers, and secret redaction via vault references or header-scoped env vars so long-lived tokens never leak through agent output.
github.comrepoAdded 2 Oct 2026, published 9 Aug 2026π§ AI - manyuegong33/r0crawl_skills
r0crawl_skills is a Chinese-language skill library for Codex-style AI coding agents, organized as a router plus 196 specialized modules covering web reverse engineering, Android unpacking, Frida instrumentation, native binary analysis, protocol reconstruction, malware triage, firmware analysis and CTF workflows. Rather than dumping advanced terminology at once, it starts novices with four framing questions (what to analyze, what action matters most, what materials exist, what outcome is wanted) and routes them to deeper workflows via lightweight Python scripts (init_case.py, module_router.py, hash_artifact.py) and ten sanitized example playbooks. It's installed by copying the directory into Codex's skills folder, making it a practical illustration of the "router + many domain modules" pattern for packaging large skill collections for coding agents.
github.comrepoAdded 30 Sep 2026, published 6 Aug 2026π§ AI - manyuegong33/r0crawl_skills
r0crawl_skills is a beginner-friendly Chinese-language skill library of 196 specialized reverse-engineering modules for Codex-style AI coding agents, with a router that asks scoping questions and directs the agent to the right workflow (web RE, Android unpacking, Frida instrumentation, native binary analysis, protocol reconstruction, malware triage, firmware analysis, CTF). It ships lightweight scripts (case init, module router, artifact hashing) and ten sanitized example playbooks covering DEX dump verification, WebCrypto hooking, native loader tracing, PCAP reconstruction, and selective emulation, plus dedicated modules for CAPTCHA/WAF/anti-bot systems, mini-programs, hybrid apps (Flutter/React Native/Electron), and IDA/Ghidra/Rizin automation.
github.comrepoAdded 30 Sep 2026, published 6 Aug 2026π‘οΈ Security - Awesome Offensive AI Agentic Landscape
A comprehensively curated landscape document tracking the offensive AI agent space: ranked open-source pentesting/red-team agent projects (e.g. strix, shannon, VulnBot), uncensored offensive LLMs (Qwythos, WhiteRabbitNeo/DeepHat, BaronLLM) versus security-specialized but aligned models (Foundation-Sec, CyberSecQwen), Claude Code Agent Skills and MCP servers wrapping tools like Metasploit and BloodHound, 116 cross-referenced academic papers on pentest/vuln-discovery agents, capability benchmarks (Cybench, NYU CTF Bench, CyberGym), and a fact-checked Top-20 list of commercial AI pentesting vendors. It also covers competitions like the DARPA AI Cyber Challenge and Tencent's Intelligent Penetration Hackathon, positioning itself as a cross-merge of several other awesome-lists in this niche.
github.comrepoPublished and added 1 Aug 2026π‘οΈ Security - AgentHound
AgentHound is an open-source offensive security framework that, from a single compromised host, collects local credentials and agent configuration, discovers and fingerprints reachable AI services (MCP servers, A2A agents, model gateways, inference servers like Ollama, vector stores, MLOps platforms, notebooks), reuses harvested credentials to verify concrete access, and writes everything to a checkpointed JSON artifact. An optional analysis server (Neo4j/PostgreSQL-backed) turns the artifact into a queryable attack graph with credential-chain, cross-protocol pivot, exfiltration/execution paths, and prompt-injection-related findings (POISONED_INSTRUCTIONS, POISONED_DESCRIPTION, SHADOWS). It supports an active mode (credential reuse, differential reads, reversible mutation with auto-rollback) and a read-only --stealth mode for OPSEC-constrained engagements.
github.comrepoPublished and added 1 Aug 2026π‘οΈ Security - Awesome Embedded & IoT Security
A curated GitHub list of embedded and IoT security resources maintained by Fraunhofer FKIE, covering firmware analysis frameworks (FACT, emba, Firmadyne, Binwalk, Ghidra, Radare2), hardware hacking tools (JTAGULATOR, Bus Pirate, ChipWhisperer, Proxmark3, HackRF), RF/wireless gear (RTL-SDR, LimeSDR, UberTooth), books, academic papers on firmware security and fuzzing, real-world case studies of device hacking (D-Link, Huawei, Xerox printers), and CTF challenges (Rhme, Microcorruption, IoTGoat). It serves as a comprehensive entry point for beginners and experts doing embedded/IoT security analysis and hardware pentesting.
github.comrepoPublished and added 31 Jul 2026π‘οΈ Security - Awesome Malware Analysis
Awesome Malware Analysis is a curated GitHub list aggregating hundreds of tools and resources across the malware analysis lifecycle: honeypots (Cowrie, Dionaea, Conpot), sample repositories (VirusShare, Malshare, theZoo, VX Underground), IOC/threat-intel platforms (MISP, YARA, ThreatCrowd, URLhaus), online sandboxes (VirusTotal, Cuckoo Sandbox, Hybrid Analysis, any.run), static/dynamic RE tools (IDA Pro, Ghidra, Radare2, x64dbg, angr), deobfuscation utilities, network traffic analyzers (Wireshark, Bro, mitmproxy), and memory forensics frameworks (Volatility, Rekall). It also links essential books, blogs, and training material (Practical Malware Analysis, REMnux, FLARE VM) making it a de facto index for the malware analysis community.
github.comrepoPublished and added 31 Jul 2026π‘οΈ Security - Birfy/agentdescent
agentdescent is a Python framework that treats self-improving agents as an optimization problem: N workers propose diffs (edits) to a shared skill/prompt/harness artifact in parallel, and a barrier-free aggregator merges them via conflict resolution, fusion and statistical acceptance rather than gradient averaging, committing winners to a version-controlled ledger. It ships a single `evolve()` entry point with pluggable strategy, scorer, and proposal functions, an MCP server and CLI for agent-triggered runs, and faithful reimplementations of 20 published self-evolution algorithms (ACE, GEPA, EvoSkill, SkillOpt, ADAS, DGM, OpenEvolve, ERA, PromptBreeder, AFlow, Self-Refine, Reflexion, SICA, GΓΆdel Agent, Voyager, SkillWeaver, Absolute Zero, R-Zero, Agent0, Genesis) that plug into the same engine for apples-to-apples comparison. The accompanying paper (Chen, 2026) gives a closed-form condition for when concurrent edits can merge and reports confidence intervals rather than false-precision p-values.
github.comrepoAdded 30 Sep 2026, published 24 Jul 2026π§ AI
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