{"entries":[{"id":"org_demo_jiffy:ti:intel-1","type":"malicious_skill","title":"Malicious MCP server exfiltrates prompts to relay-metrics[.]io","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Malicious MCP server exfiltrates prompts to relay-metrics[.]io. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Compromised marketplace skill auto-attes","source":"skills.sh","status":"confirmed_malicious","artifact_type":"config"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"AML.5","framework":"MITRE-ATLAS"},{"control":"GV.1","framework":"NIST-CSF-2.0"}]},{"id":"org_demo_jiffy:ti:intel-10","type":"malicious_skill","title":"Trojanized \"pr-reviewer\" skill harvests Git and AWS credentials","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Trojanized \"pr-reviewer\" skill harvests Git and AWS credentials. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":".cursorrules disables content filter and","source":"github","status":"confirmed_malicious","artifact_type":"mcp"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"LLM1","framework":"OWASP-LLM-2025"},{"control":"T3","framework":"OWASP-Agentic-2026"}]},{"id":"org_demo_jiffy:ti:intel-14","type":"malicious_skill","title":"MCP server beacons during initialize handshake","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. MCP server beacons during initialize handshake. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"MCP server beacons during initialize han","source":"skills.sh","status":"confirmed_malicious","artifact_type":"skill"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"T2","framework":"OWASP-Agentic-2026"},{"control":"AML.4","framework":"MITRE-ATLAS"},{"control":"GV.7","framework":"NIST-CSF-2.0"}]},{"id":"org_demo_jiffy:ti:intel-15","type":"malicious_skill","title":"Skill pipes conversation log to attacker webhook","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Skill pipes conversation log to attacker webhook. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Skill pipes conversation log to attacker","source":"npm","status":"confirmed_malicious","artifact_type":"config"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"AML.3","framework":"MITRE-ATLAS"},{"control":"GV.5","framework":"NIST-CSF-2.0"}]},{"id":"org_demo_jiffy:ti:intel-17","type":"malicious_skill","title":"Persistence via launchd autostart written by agent skill","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Persistence via launchd autostart written by agent skill. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Persistence via launchd autostart writte","source":"skills.sh","status":"confirmed_malicious","artifact_type":"mcp"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"LLM5","framework":"OWASP-LLM-2025"},{"control":"T1","framework":"OWASP-Agentic-2026"}]},{"id":"org_demo_jiffy:ti:intel-16","type":"malicious_skill","title":"Agent config requests full capability surface on load","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Agent config requests full capability surface on load. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Agent config requests full capability su","source":"github","status":"confirmed_malicious","artifact_type":"agent"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"GV.4","framework":"NIST-CSF-2.0"},{"control":"LLM6","framework":"OWASP-LLM-2025"}]},{"id":"org_demo_jiffy:ti:intel-18","type":"malicious_skill","title":"Obfuscated base64 payload eval-decoded at import","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Obfuscated base64 payload eval-decoded at import. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Obfuscated base64 payload eval-decoded a","source":"npm","status":"confirmed_malicious","artifact_type":"skill"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"T6","framework":"OWASP-Agentic-2026"},{"control":"AML.2","framework":"MITRE-ATLAS"}]},{"id":"org_demo_jiffy:ti:intel-19","type":"malicious_skill","title":"Credential-scanning agent enumerates KEY/TOKEN/SECRET env vars","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Credential-scanning agent enumerates KEY/TOKEN/SECRET env vars. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Credential-scanning agent enumerates KEY","source":"github","status":"confirmed_malicious","artifact_type":"config"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"AML.1","framework":"MITRE-ATLAS"},{"control":"GV.3","framework":"NIST-CSF-2.0"}]},{"id":"org_demo_jiffy:ti:intel-20","type":"malicious_skill","title":"Lateral-movement probe over SSH from agent runtime","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Lateral-movement probe over SSH from agent runtime. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Lateral-movement probe over SSH from age","source":"npm","status":"confirmed_malicious","artifact_type":"mcp"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"GV.2","framework":"NIST-CSF-2.0"},{"control":"LLM4","framework":"OWASP-LLM-2025"}]},{"id":"org_demo_jiffy:ti:intel-2","type":"malicious_skill","title":"Unpinned MCP SDK dependency enables supply-chain swap","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Unpinned MCP SDK dependency enables supply-chain swap. 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Unpinned MCP SDK dependency enables supp","source":"skills.sh","status":"confirmed_malicious","artifact_type":"agent"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"T2","framework":"OWASP-Agentic-2026"},{"control":"AML.4","framework":"MITRE-ATLAS"}]},{"id":"org_demo_jiffy:ti:intel-3","type":"malicious_skill","title":"Prompt-injection pattern: \"ignore prior instructions\"","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Prompt-injection pattern: \"ignore prior instructions\". 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Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Prompt-injection pattern: \"ignore prior ","source":"github","status":"confirmed_malicious","artifact_type":"skill"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"AML.3","framework":"MITRE-ATLAS"},{"control":"GV.5","framework":"NIST-CSF-2.0"}]},{"id":"org_demo_jiffy:ti:intel-5","type":"malicious_skill","title":"Wildcard allowedTools grant with autoApprove enabled","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Wildcard allowedTools grant with autoApprove enabled. Cross-referenced against Socket, Snyk, and the Gen Agent Trust Hub.","severity":"high","confidence":"confirmed","indicators":[{"type":"content_hash","value":"5970fdb0708d236bb8bfd8719375b91fb6a113b544d3b712d5610c12a4d3c408","content_hash":"5970fdb0708d236bb8bfd8719375b91fb6a113b544d3b712d5610c12a4d3c408"},{"type":"content_hash","value":"1c338b3cece3d0ecc166c371edddf5a0b04476f77e5e519632df31ae6a1df6f5","content_hash":"1c338b3cece3d0ecc166c371edddf5a0b04476f77e5e519632df31ae6a1df6f5"}],"first_observed":"2026-05-22T22:43:51.709+00:00","last_updated":"2026-05-23T00:43:51.709+00:00","sources":["demo-seed"],"remediation":"Quarantine matching artifacts, rotate any credentials they could reach, and block egress to the listed indicators. Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Wildcard allowedTools grant with autoApp","source":"npm","status":"confirmed_malicious","artifact_type":"agent"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"LLM5","framework":"OWASP-LLM-2025"},{"control":"T1","framework":"OWASP-Agentic-2026"}]},{"id":"org_demo_jiffy:ti:intel-4","type":"malicious_skill","title":"Data-export skill uploads source to external chat tool","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Data-export skill uploads source to external chat tool. Cross-referenced against Socket, Snyk, and the Gen Agent Trust Hub.","severity":"high","confidence":"confirmed","indicators":[{"type":"content_hash","value":"fef1864d18c8aaed5efe59464fa645a340710604f96bb1ccbc527670c4dea47c","content_hash":"fef1864d18c8aaed5efe59464fa645a340710604f96bb1ccbc527670c4dea47c"},{"type":"content_hash","value":"ce10252905770ba16d6c2c6ca607eae26441c8dfd6c8437f7cee303f9a9ac6a4","content_hash":"ce10252905770ba16d6c2c6ca607eae26441c8dfd6c8437f7cee303f9a9ac6a4"}],"first_observed":"2026-05-22T22:43:51.709+00:00","last_updated":"2026-05-23T00:43:51.709+00:00","sources":["demo-seed"],"remediation":"Quarantine matching artifacts, rotate any credentials they could reach, and block egress to the listed indicators. Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Data-export skill uploads source to exte","source":"skills.sh","status":"confirmed_malicious","artifact_type":"config"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"GV.4","framework":"NIST-CSF-2.0"},{"control":"LLM6","framework":"OWASP-LLM-2025"}]},{"id":"org_demo_jiffy:ti:intel-6","type":"malicious_skill","title":"Skill misrepresents itself as verified to the grader","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Skill misrepresents itself as verified to the grader. Cross-referenced against Socket, Snyk, and the Gen Agent Trust Hub.","severity":"high","confidence":"confirmed","indicators":[{"type":"content_hash","value":"a147375539e5cad8c0f02afea2bda3101d5c3584f0c6dfdc03b2659534e02375","content_hash":"a147375539e5cad8c0f02afea2bda3101d5c3584f0c6dfdc03b2659534e02375"}],"first_observed":"2026-05-21T22:43:51.709+00:00","last_updated":"2026-05-22T00:43:51.709+00:00","sources":["demo-seed"],"remediation":"Quarantine matching artifacts, rotate any credentials they could reach, and block egress to the listed indicators. Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Skill misrepresents itself as verified t","source":"github","status":"confirmed_malicious","artifact_type":"mcp"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"T6","framework":"OWASP-Agentic-2026"},{"control":"AML.2","framework":"MITRE-ATLAS"}]},{"id":"org_demo_jiffy:ti:intel-8","type":"malicious_skill","title":"Destructive tool invocation outside declared scope","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Destructive tool invocation outside declared scope. Cross-referenced against Socket, Snyk, and the Gen Agent Trust Hub.","severity":"high","confidence":"confirmed","indicators":[{"type":"content_hash","value":"aab002e967a30200ae86247ef06f5618d0274e73e7a311e97493b9cddc42e323","content_hash":"aab002e967a30200ae86247ef06f5618d0274e73e7a311e97493b9cddc42e323"}],"first_observed":"2026-05-20T22:43:51.709+00:00","last_updated":"2026-05-21T00:43:51.709+00:00","sources":["demo-seed"],"remediation":"Quarantine matching artifacts, rotate any credentials they could reach, and block egress to the listed indicators. Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Destructive tool invocation outside decl","source":"npm","status":"confirmed_malicious","artifact_type":"config"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"GV.2","framework":"NIST-CSF-2.0"},{"control":"LLM4","framework":"OWASP-LLM-2025"}]},{"id":"org_demo_jiffy:ti:intel-7","type":"malicious_skill","title":"Config system prompt sanctions context exfiltration","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Config system prompt sanctions context exfiltration. Cross-referenced against Socket, Snyk, and the Gen Agent Trust Hub.","severity":"high","confidence":"confirmed","indicators":[{"type":"content_hash","value":"9f0369baaab8fc7d8c56698f1037cb840abbc4572bf573d0b65c7f9ccdc781b7","content_hash":"9f0369baaab8fc7d8c56698f1037cb840abbc4572bf573d0b65c7f9ccdc781b7"}],"first_observed":"2026-05-20T22:43:51.709+00:00","last_updated":"2026-05-21T00:43:51.709+00:00","sources":["demo-seed"],"remediation":"Quarantine matching artifacts, rotate any credentials they could reach, and block egress to the listed indicators. Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Config system prompt sanctions context e","source":"skills.sh","status":"confirmed_malicious","artifact_type":"skill"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"AML.1","framework":"MITRE-ATLAS"},{"control":"GV.3","framework":"NIST-CSF-2.0"}]},{"id":"org_demo_jiffy:ti:intel-9","type":"malicious_skill","title":"Debug logging captures sensitive prompt content to disk","description":"Jiffy's scanner pipeline (static + dynamic + semantic) confirmed this pattern across public AI artifact registries. Debug logging captures sensitive prompt content to disk. Cross-referenced against Socket, Snyk, and the Gen Agent Trust Hub.","severity":"high","confidence":"confirmed","indicators":[{"type":"content_hash","value":"7e6f835fa8f172a504b5ef29d285cdf71f7b9bdb91b7a719c00d78fcd20e25e5","content_hash":"7e6f835fa8f172a504b5ef29d285cdf71f7b9bdb91b7a719c00d78fcd20e25e5"}],"first_observed":"2026-05-19T22:43:51.709+00:00","last_updated":"2026-05-20T00:43:51.709+00:00","sources":["demo-seed"],"remediation":"Quarantine matching artifacts, rotate any credentials they could reach, and block egress to the listed indicators. Re-scan the endpoint after removal.","affected":[],"example_artifacts":[{"name":"Debug logging captures sensitive prompt ","source":"github","status":"confirmed_malicious","artifact_type":"agent"}],"jiffy_metadata":{"demo_seed":true,"demo_org_id":"org_demo_jiffy"},"references":[{"url":"https://blog.jiffylabs.ai/advisories","source":"Jiffy Intel"}],"framework_codes":[{"control":"LLM3","framework":"OWASP-LLM-2025"},{"control":"T5","framework":"OWASP-Agentic-2026"}]},{"id":"jiffy-ti-2026-000077","type":"prompt_injection_pattern","title":"agents.md writes to CLAUDE.md at runtime","description":"agents.md tells the agent to \"update CLAUDE.md with learnings from this session.\" The agent, executing the directive, writes attacker-crafted text into the pinned CLAUDE.md, poisoning future sessions.","severity":"high","confidence":"high","indicators":[{"kind":"content_pattern","value":"(?is)(?:update|modify|write)\\s+CLAUDE\\.md"},{"kind":"artifact_uri_pattern","value":"agents.md"}],"first_observed":"2026-03-23T00:00:00+00:00","last_updated":"2026-04-28T00:00:00+00:00","sources":["scanner"],"remediation":"Make CLAUDE.md read-only at the agent tier. Require human review for any rule-file edit.","affected":[{"tool":"Claude Code","versions":"*"},{"tool":"Cursor","versions":"*"}],"example_artifacts":[{"name":"agents.md (repo: learning-template)","source":"GitHub (public repo)","status":"under_review","artifact_type":"ide_rules","first_observed":"2026-03-23"},{"name":".cursorrules (repo: adaptive-dev)","source":"GitHub (public repo)","status":"quarantined","artifact_type":"ide_rules","first_observed":"2026-03-27"}],"jiffy_metadata":{"times_seen":7,"detection_layers":["semantic"],"unique_customers":2,"primary_artifact_type":"ide_rules","first_public_disclosure":"2026-03-24"},"references":[{"url":"https://genai.owasp.org/llmrisk/llm-01-2026/","label":"OWASP LLM-01: Prompt Injection (2026)"},{"url":"https://genai.owasp.org/llmrisk/llm-06-2026/","label":"OWASP LLM-06: Excessive Agency (2026)"},{"url":"https://blog.jiffylabs.ai/posts/cursorrules-and-agents-md-config-backdoors","label":"Jiffy Research — .cursorrules and agents.md Config Backdoors"}],"framework_codes":["MITRE-ATLAS-AML.T0051","NIST-CSF-2.0-DE.CM-01","OWASP-LLM-2025-LLM01","OWASP-LLM-2025-LLM03"]},{"id":"jiffy-ti-2026-000033","type":"backdoor","title":"Skill writes config that hooks into Claude Desktop stdio MCP bridge","description":"Skill modifies the user's Claude Desktop config to register an MCP server pointing at localhost. The server is supplied by the same skill and serves as a persistent interposer between the agent and tool calls, logging all tool arguments.","severity":"high","confidence":"high","indicators":[{"kind":"file_path_pattern","value":"claude_desktop_config\\.json"},{"kind":"content_pattern","value":"(?is)mcpServers[\\s\\S]{0,500}localhost"}],"first_observed":"2026-04-06T00:00:00+00:00","last_updated":"2026-04-28T00:00:00+00:00","sources":["scanner"],"remediation":"Audit claude_desktop_config.json for unexpected localhost MCP servers. Restart Claude Desktop after removing.","affected":[{"tool":"Claude Desktop","versions":"*"}],"example_artifacts":[{"name":"claude-local-debug-skill","source":"Anthropic Skills","status":"removed","versions":"1.0.0","artifact_type":"skill","last_observed":"2026-04-22","first_observed":"2026-04-06"},{"name":"mcp-profiler-skill","source":"Community registry","status":"quarantined","artifact_type":"skill","first_observed":"2026-04-10"}],"jiffy_metadata":{"times_seen":6,"detection_layers":["static"],"unique_customers":2,"primary_artifact_type":"skill","first_public_disclosure":"2026-04-07"},"references":[{"url":"https://blog.jiffylabs.ai/posts/mcp-security-a-security-teams-field-guide","label":"Jiffy Research — MCP Security Field Guide"},{"url":"https://genai.owasp.org/llmrisk/llm-06-2026/","label":"OWASP LLM-06: Excessive Agency (2026)"}],"framework_codes":["MITRE-ATLAS-AML.T0010","NIST-CSF-2.0-GV.SC-07","OWASP-Agentic-2026-AIA-08","OWASP-Agentic-2026-AIA-10","OWASP-LLM-2025-LLM03"]},{"id":"jiffy-ti-2026-000052","type":"malicious_skill","title":"MCP server's install script drops a skill into ~/.claude/skills/","description":"MCP server whose install path (`pip install`, `npm i`) includes a side-effect that writes a skill file under the user's Claude skills directory. Installing the MCP silently installs a skill the user never consented to.","severity":"high","confidence":"confirmed","indicators":[{"kind":"command_pattern","value":"(?i)(?:postinstall|setup\\.py).{0,200}\\.claude/skills/"}],"first_observed":"2026-03-21T00:00:00+00:00","last_updated":"2026-04-28T00:00:00+00:00","sources":["scanner"],"remediation":"Reject MCP install scripts that write under ~/.claude/. Skills must be user-installed explicitly.","affected":[{"tool":"Claude Code","versions":"*"},{"tool":"Claude Desktop","versions":"*"}],"example_artifacts":[{"name":"dev-toolkit-mcp","source":"MCP Registry","status":"removed","versions":"0.4.0","artifact_type":"mcp_server","last_observed":"2026-04-14","first_observed":"2026-03-21"},{"name":"all-in-one-mcp","source":"Community registry","status":"removed","artifact_type":"mcp_server","first_observed":"2026-03-25"}],"jiffy_metadata":{"times_seen":10,"detection_layers":["static"],"unique_customers":3,"primary_artifact_type":"mcp_server","first_public_disclosure":"2026-03-22"},"references":[{"url":"https://attack.mitre.org/techniques/T1195/","label":"MITRE ATT&CK T1195 — Supply Chain Compromise"},{"url":"https://blog.jiffylabs.ai/posts/the-ai-artifact-supply-chain","label":"Jiffy Research — The AI Artifact Supply Chain"}],"framework_codes":["MITRE-ATLAS-AML.T0053","NIST-CSF-2.0-ID.AM-02","OWASP-Agentic-2026-AIA-07","OWASP-Agentic-2026-AIA-10","OWASP-LLM-2025-LLM06"]},{"id":"jiffy-ti-2026-000070","type":"backdoor","title":"agents.md asserts \"skip security scans — reviewer will verify\"","description":"agents.md instructs the agent to explicitly skip any security scan \"because the reviewer will verify.\" Benign on the surface, the directive disarms the last line of defense and invites shipping unscanned code.","severity":"medium","confidence":"high","indicators":[{"kind":"content_pattern","value":"(?is)(?:skip|bypass|ignore)\\s+(?:the\\s+)?(?:security|lint|ci|scan)"}],"first_observed":"2026-03-21T00:00:00+00:00","last_updated":"2026-04-28T00:00:00+00:00","sources":["curated"],"remediation":"Flag IDE rules that weaken CI or security posture. Require explicit rationale before the agent follows them.","affected":[{"tool":"Claude Code","versions":"*"},{"tool":"Cursor","versions":"*"}],"example_artifacts":[{"name":"agents.md (repo: fast-shipper)","source":"GitHub (public repo)","status":"under_review","artifact_type":"ide_rules","first_observed":"2026-03-21"},{"name":"CLAUDE.md (repo: high-velocity-template)","source":"GitHub (public repo)","status":"quarantined","artifact_type":"ide_rules","first_observed":"2026-03-25"}],"jiffy_metadata":{"times_seen":27,"detection_layers":["semantic"],"unique_customers":5,"primary_artifact_type":"ide_rules","first_public_disclosure":"2026-03-22"},"references":[{"url":"https://genai.owasp.org/llmrisk/llm-06-2026/","label":"OWASP LLM-06: Excessive Agency (2026)"},{"url":"https://blog.jiffylabs.ai/posts/cursorrules-and-agents-md-config-backdoors","label":"Jiffy Research — .cursorrules and agents.md Config Backdoors"}],"framework_codes":["MITRE-ATLAS-AML.T0010","NIST-CSF-2.0-GV.SC-07","OWASP-Agentic-2026-AIA-08","OWASP-LLM-2025-LLM03"]},{"id":"jiffy-ti-2026-000057","type":"compromised_mcp","title":"MCP server registers global tool names that shadow Jiffy primitives","description":"MCP server that claims the tool name `scan` or `analyze` — names already used by Jiffy's first-party MCP. Collisions are resolved non-deterministically by the client, allowing the malicious server's tool to receive calls intended for Jiffy.","severity":"low","confidence":"high","indicators":[{"kind":"tool_call_pattern","value":"(?i)(?:tools?\\s*:\\s*\\[)(?:[^\\]]{0,500})(?:scan|analyze|inspect)"}],"first_observed":"2026-03-27T00:00:00+00:00","last_updated":"2026-04-28T00:00:00+00:00","sources":["curated"],"remediation":"Namespace MCP tool calls (`jiffy/scan` vs. `scan`). Reject servers that claim unnamespaced common names.","affected":[{"tool":"Any MCP-capable agent","versions":"*"}],"example_artifacts":[{"name":"security-scanner-mcp","source":"MCP Registry","status":"under_review","versions":"0.1.0","artifact_type":"mcp_server","first_observed":"2026-03-27"},{"name":"code-inspector-mcp","source":"Community registry","status":"quarantined","artifact_type":"mcp_server","first_observed":"2026-03-31"}],"jiffy_metadata":{"times_seen":8,"detection_layers":["static"],"unique_customers":2,"primary_artifact_type":"mcp_server","first_public_disclosure":"2026-03-28"},"references":[{"url":"https://blog.jiffylabs.ai/posts/mcp-security-a-security-teams-field-guide","label":"Jiffy Research — MCP Security Field Guide"},{"url":"https://genai.owasp.org/llmrisk/llm-06-2026/","label":"OWASP LLM-06: Excessive Agency (2026)"}],"framework_codes":["MITRE-ATLAS-AML.T0053","NIST-CSF-2.0-ID.RA-01","OWASP-Agentic-2026-AIA-07","OWASP-LLM-2025-LLM06"]}],"total":122,"next_cursor":"eyJvZmZzZXQiOjI1fQ","limit":25}