Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/getstream/agent-skills/stream-feeds-migrationnpx skills add GetStream/agent-skills --skill stream-feeds-migrationgit clone --depth 1 https://github.com/GetStream/agent-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/getstream/agent-skills/stream-feeds-migration)<a href="https://agentmods.dev/skills/getstream/agent-skills/stream-feeds-migration"><img src="https://agentmods.dev/badge/skills/getstream/agent-skills/stream-feeds-migration.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00150 | $0.03212 |
| Opus 5 | $0.00075 | $0.01606 |
| Sonnet 5 | $0.00030 | $0.00642 |
| Haiku 4.5 | $0.00015 | $0.00321 |
Grade A, and why
stream-feeds-migration scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 279 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Stream Feeds - v2 to v3 sync mapping
Read first (every session): Glob
../stream/SKILL.mdand Read../stream/RULES.md(both ship with this skill). The Secrets rule governs every step below: the app secret never enters the conversation. RULES.md also carries the Peer skills procedure for installing and invoking any other pack skill on demand.
Produce the mapping object for an app's v2 -> v3 sync configuration by looking
at what the app's v2 data actually contains, rather than at what anyone believes
it contains.
One mapping serves both migration paths - the live syncer and the bulk exporter read the same configuration. Getting it right once fixes both; getting it wrong breaks both in the same way.
Workflow
1. Get credentials into the environment
You need the v2 app's API key and secret. The secret signs an HS256 JWT
locally, stamped with iat/exp so it expires five minutes after it is minted.
The secret itself is never written to the sample file, never echoed back, and
never sent anywhere except as that signature.
Per ../stream/RULES.md > Secrets, do not ask the user
to paste the secret into the chat, and never cat, grep, or Read a .env
file to find it. Ask them to export it themselves so it stays out of the
transcript:
! export STREAM_API_KEY=<v2 app key> STREAM_API_SECRET=<v2 app secret>
The ! prefix runs the command in the user's own session, so the value lands in
the environment without passing through the conversation. Confirm it took with a
presence check that never prints the value:
test -n "$STREAM_API_SECRET" && echo SECRET_SET || echo SECRET_MISSING
Do not proceed without a real key and secret. There is no useful analysis to do against a made-up app, and a wrong secret only produces a 403.
2. Pick the target
Default to production - https://api.stream-io-api.com. Use it unless the
user names a different environment (EU, dedicated, staging), in which case pass
--base-url <that URL>.
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 5d ago First seen · 279 lines · 150 tokens per session scan A eaef6f5a8165
stream-feeds-migration is a skill published in the GitHub repository GetStream/agent-skills (18 stars, last pushed 3d ago), licensed Apache-2.0. It adds 150 tokens to every session and 3,212 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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