Extension test/lint commands need the bundled deno binary at ~/.swamp/deno/deno. That path is only documented in on-demand deeper references (extension/reference.md, quality/templates.md, troubleshooting/health-checks.md). The first-loaded guide, extension/guide.md, references deno (deno doc --lint) but never gives the path.

Result: in nearly every extension-writing session, the agent has the need surfaced up top and the answer buried a reference-load away, so it falls back to filesystem guessing (which deno, find ~/.swamp, …) instead of reading the docs. It usually finds the right path — by luck, not instruction — which is wasted work and a violation of the skill's own "use the routing table, not memory" rule.

Proposed solution

Add the pinned path to extension/guide.md's Quick Reference table:
- Type-check -> ~/.swamp/deno/deno check <file>
- Run tests -> ~/.swamp/deno/deno test extensions/models/foo_test.ts
Plus a one-line note near Import Rules: "Bundled deno lives at ~/.swamp/deno/deno (not on PATH) — invoke by full path."
Expose the resolved path via CLI so it's discoverable without docs: a field in swamp doctor extensions --json, or a small swamp extension env. This survives version/platform path changes.

Alternatives considered

Rely on existing deeper references — insufficient; empirically not loaded before the agent resorts to searching.

Environment

Recurs across essentially every extension write/test session. swamp skill docs as of 2026-07-15; bundled deno at ~/.swamp/deno/deno with adjacent .version.

02Bog Flow

Shipped

7/16/2026, 12:07:55 AM

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03Sludge Pulse

stack72 assigned stack727/15/2026, 10:51:37 PM

kneel commented 7/15/2026, 10:48:03 PM

Sibling issue: #1168 — the security/hardening half (bare-deno PATH-hijack surface). This issue is the DX/discoverability half; they share a remedy (pin the path) but are distinct problems.

stack72 commented 7/16/2026, 12:08:04 AM

Thanks @kneel for reporting this! The fix has been merged and a release is on its way. We appreciate your contribution to swamp.

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