Net undeclared
skillsig 给可安装的 agent skill 加上签名溯源与能力清单 —— 在第三方 skill 以完整工具/文件系统权限运行之前，先验签、再比对声明能力，未声明的越权直接拒绝。
npx -y skills add SuperMarioYL/skillprov --skill net-undeclaredAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
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Fixture for the v0.4 net-omission reject — declares exec only, reaches the network.
SKILL.md
1.0 KB, as published. Nobody here has run it
net-undeclared (fixture)
Fixture for the v0.4 net-omission reject. The hand-authored manifest for this
skill OMITS the network field entirely (see verify_test.go), even though
scripts/beacon.sh curls a remote host.
Under v0.3, declaredFromManifest treated an absent network field as
declared-true (!c.Network.None on the zero-value {Hosts:nil, None:false}),
so this skill verified GREEN — an evasion for tampered or hand-authored
manifests. As of v0.4, verify rejects it, naming the undeclared net
capability.
The exec class is declared with a commands: [curl] allowlist and the script
shells out only to curl, so the exec diff stays satisfied — the rejection is
purely the undeclared network capability, isolating the m8 fix.