Metaharness AI Agent
🛠️ The meta-harness for AI agents — scaffold your own focused, branded agent harness with its own npx CLI, MCP server, memory, learning loop, and witness-signed releases. Works with Claude Code, Codex, pi.dev, Hermes, OpenClaw, and RVM (hardware-isolated sandbox).
Metaharness is an open-source ai agent by ruvnet, written mainly in TypeScript, with 735 GitHub stars and the MIT license. Its code was last updated Nov 1, 2026.
Scan summary: scanned Nov 5, 2026 at commit 2f415bf. Seen able to run shell commands, read environment and secrets, connect to the internet. Scan policy
2f415bf · Nov 5, 2026Findings (82)
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.backdoor issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.backdoor issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.backdoor issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.backdoor issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.credential-access issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.secrets issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.secrets issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.secrets issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.secrets issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.secrets issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.secrets issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
packages/horizon/src/executor.ts:123 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.browserslist@4.28.2: 2 known vulnerabilitiesGHSA-73wf-gq98-2v4g, GHSA-c83g-rgw3-j3cx
apps/web-ui/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.nanoid@3.3.17: 1 known vulnerabilityGHSA-2v37-7h3g-55p8
apps/web-ui/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.source-map-js@1.2.1: 2 known vulnerabilitiesGHSA-68fv-2mgg-jv7q, GHSA-68fv-2mgg-jv7q
apps/web-ui/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.vite@8.2.1: 6 known vulnerabilitiesGHSA-587h-7wmj-h5pm, GHSA-698v-4r3x-3vcv, GHSA-9jrq-w75r-8gcw, GHSA-r825-w8mm-5pxw, GHSA-rq7h-c2jc-7f22 +1 more
apps/web-ui/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.httpcore2@2.9.1: 1 known vulnerabilityPYSEC-2026-3844
packages/darwin-mode/bench/terminal-bench/requirements.txt - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.httpx2@2.9.1: 5 known vulnerabilitiesPYSEC-2026-3845, PYSEC-2026-3846, PYSEC-2026-3847, PYSEC-2026-3848, PYSEC-2026-3849
packages/darwin-mode/bench/terminal-bench/requirements.txt - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.body-parser@1.20.5: 2 known vulnerabilitiesGHSA-27r3-jxmh-p828, GHSA-v422-hmwv-36x6
services/apicompletions/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.brace-expansion@2.1.1: 6 known vulnerabilitiesGHSA-3jxr-9vmj-r5cp, GHSA-6j4f-fj2g-mc7p, GHSA-mh99-v99m-4gvg, GHSA-q2hr-2g5m-vwhr, GHSA-qhr7-859c-m2p7 +1 more
services/apicompletions/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.brace-expansion@5.0.7: 5 known vulnerabilitiesGHSA-6j4f-fj2g-mc7p, GHSA-mh99-v99m-4gvg, GHSA-q2hr-2g5m-vwhr, GHSA-qhr7-859c-m2p7, GHSA-rgw5-rvv9-x895
services/apicompletions/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.nanoid@3.3.15: 2 known vulnerabilitiesGHSA-28wg-ghj8-5hjv, GHSA-2v37-7h3g-55p8
services/apicompletions/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.postcss@8.5.16: 2 known vulnerabilitiesGHSA-fxqj-rqcc-2cmp, GHSA-r28c-9q8g-f849
services/apicompletions/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.vite@5.4.21: 8 known vulnerabilitiesGHSA-4w7w-66w2-5vf9, GHSA-587h-7wmj-h5pm, GHSA-698v-4r3x-3vcv, GHSA-9jrq-w75r-8gcw, GHSA-fx2h-pf6j-xcff +3 more
services/apicompletions/package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Install or build failed in a clean environmentis might be a permissions issue, please double-check the npm error permissions of the file and its containing directories, or try running npm error the command again as root/Administrator. npm error A complete log of this run can be found in: /tmp/home/.npm/_logs/2026-11-05T20_18_53_237Z-debug-0.log
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Install contacted hosts other than package registriesbuf.build
- lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Downloads a script and pipes it straight into a shell (often an installer command shown to users; check where it runs).
apps/web-ui/src/generator/__tests__/scaffold.test.ts:147 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Downloads a script and pipes it straight into a shell (often an installer command shown to users; check where it runs).
apps/web-ui/src/generator/__tests__/scaffold.test.ts:153 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / new Function / vm).
packages/create-agent-harness/__tests__/generated-templates.test.ts:174 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Downloads a script and pipes it straight into a shell (often an installer command shown to users; check where it runs).
packages/create-agent-harness/__tests__/host-config.test.ts:93 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Downloads a script and pipes it straight into a shell (often an installer command shown to users; check where it runs).
packages/create-agent-harness/__tests__/host-config.test.ts:102 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Downloads a script and pipes it straight into a shell (often an installer command shown to users; check where it runs).
packages/darwin-mode/__tests__/security/inspect-bypass.test.ts:173 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / exec).
packages/darwin-mode/bench/security/fixtures/cwe-bench/vuln/eval.py:1 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / exec).
packages/darwin-mode/bench/security/fixtures/cwe-bench/vuln/exec.py:1 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Deserializes data with pickle/marshal, which can execute code.
packages/darwin-mode/bench/security/fixtures/cwe-bench/vuln/load_pickle.py:2 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Deserializes data with pickle/marshal, which can execute code.
packages/darwin-mode/bench/security/fixtures/cwe-bench/vuln/load_yaml.py:2 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
packages/darwin-mode/bench/security/fixtures/cwe-bench/vuln/os_system.py:2 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
packages/darwin-mode/bench/security/fixtures/cwe-bench/vuln/shell.py:2 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / exec).
packages/darwin-mode/bench/security/fixtures/semgrep-corpus/vuln/eval.py:2 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / exec).
packages/darwin-mode/bench/security/fixtures/semgrep-corpus/vuln/exec.py:2 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Deserializes data with pickle/marshal, which can execute code.
packages/darwin-mode/bench/security/fixtures/semgrep-corpus/vuln/load_pickle.py:3 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Deserializes data with pickle/marshal, which can execute code.
packages/darwin-mode/bench/security/fixtures/semgrep-corpus/vuln/load_yaml.py:3 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
packages/darwin-mode/bench/security/fixtures/semgrep-corpus/vuln/shell.py:3 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / exec).
packages/darwin-mode/bench/security/fixtures/semgrep/vuln/inj.py:4 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Downloads a script and pipes it straight into a shell (often an installer command shown to users; check where it runs).
packages/horizon/__tests__/horizon.test.ts:95 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Touches a sensitive credential location (SSH keys, cloud credentials, browser data or wallets). Expected for some tools, such as browser automation; check why.
packages/horizon/__tests__/horizon.test.ts:103 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Contacts a hard-coded IP address instead of a domain name.
packages/horizon/__tests__/horizon.test.ts:111 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Downloads a script and pipes it straight into a shell (often an installer command shown to users; check where it runs).
packages/host-github-actions/__tests__/github-actions.test.ts:191 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Downloads a script and pipes it straight into a shell (often an installer command shown to users; check where it runs).
packages/host-github-actions/__tests__/github-actions.test.ts:196 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / exec).
packages/projects/bench/fixtures/planted-vulns/calc_view.py:5 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
packages/projects/bench/fixtures/planted-vulns/net_tools.py:6 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Deserializes data with pickle/marshal, which can execute code.
packages/projects/bench/fixtures/planted-vulns/state_loader.py:5 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key2 matches in this file
packages/create-agent-harness/__tests__/redact.test.ts:18 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: jwt
packages/create-agent-harness/__tests__/redact.test.ts:19 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key3 matches in this file
packages/arc-agi-3/__tests__/avo-loop.test.ts:883 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
packages/darwin-mode/__tests__/security/sandbox-injection.test.ts:66 - lowLow. Minor, or common in normal tools. Shown for information.@vitest/mocker@4.1.10: 2 known vulnerabilitiesGHSA-82fw-gwwq-j7x9, GHSA-qxg6-89mg-rqv8
apps/web-ui/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.baseline-browser-mapping@2.10.37: 1 known vulnerabilityGHSA-w5vr-8v7q-w6rv
apps/web-ui/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.postcss-selector-parser@6.1.4: 1 known vulnerabilityGHSA-rj75-hqrm-r3gf
apps/web-ui/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.vitest@4.1.10: 1 known vulnerabilityGHSA-82fw-gwwq-j7x9
apps/web-ui/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.glob@13.0.6: 1 known vulnerabilityGHSA-3g3m-2fjr-6pw4
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.minimatch@10.2.6: 1 known vulnerabilityGHSA-g3hv-75wg-m249
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.idna@3.9.0: 1 known vulnerabilityPYSEC-2026-215
packages/arc-agi-3/python/requirements.txt - lowLow. Minor, or common in normal tools. Shown for information.@vitest/mocker@2.1.9: 2 known vulnerabilitiesGHSA-82fw-gwwq-j7x9, GHSA-qxg6-89mg-rqv8
services/apicompletions/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.esbuild@0.21.5: 1 known vulnerabilityGHSA-67mh-4wv8-2f99
services/apicompletions/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.glob@10.5.0: 1 known vulnerabilityGHSA-3g3m-2fjr-6pw4
services/apicompletions/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.minimatch@10.2.5: 1 known vulnerabilityGHSA-g3hv-75wg-m249
services/apicompletions/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.minimatch@9.0.9: 1 known vulnerabilityGHSA-g3hv-75wg-m249
services/apicompletions/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.qs@6.15.3: 3 known vulnerabilitiesGHSA-4mjr-xmp4-gh2g, GHSA-6pq8-jhm2-2vcw, GHSA-x5fp-wj9c-mxmx
services/apicompletions/package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
Network activity
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