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The Requests page tells you what a request cost and which model served it. Request logs tell you what was actually said: the body Manifest sent to the provider, and the body that came back. The dashboard calls this feature Logs. It’s one toggle per harness.

What gets recorded

Recording happens per provider attempt, not per request. A request that falls back twice before succeeding produces three recordings, each with its own body pair, so you can see how the conversation was reshaped for each provider. An Autofix retry is its own attempt too, which is how you compare the request that failed against the patched one that worked. A request Manifest blocked itself, on a hard limit or a malformed body, still lists one attempt, labelled with the model you asked for or No provider. It carries the failure status and no Messages, Tools, or Raw tab: Manifest sent nothing to a provider, so there is nothing to read back.

Reading it back

Open a request in the dashboard’s Requests page and pick an attempt in the Attempts list. The initial call, each fallback, and an Autofix retry are separate attempts, and each one shows its own conversation. The Messages, Tools, and Raw tabs appear when that attempt has a recording.
A request opened on the Requests page, showing the Attempts list and the per-attempt tabs

A request with two attempts: the failed call and its Autofix retry, each with its own tabs.

The Messages tab renders the exchange as a conversation, with a rail down the side listing every turn. Search the rail or filter it by role, and click any row to jump to that turn in the main pane. Assistant turns show the tool calls the model actually made, not the tool definitions your client offered it.
A request's Messages tab showing the turn rail with role filter pills and the conversation cards, including a tool call and its result

The Messages tab: the turn rail with its role filters, and the conversation in the main pane.

Turning it on

The switch is Enable logs, in the Logs section of each harness’s Settings page. New harnesses have it on. To make sure a harness records its logs, check Settings → Logs.
A harness Settings page with the Logs section and the Enable logs switch on

The Logs section on a harness's Settings page.

Recording stores your prompts and completions. Everything else Manifest keeps is metadata (Data and telemetry covers the distinction). If a harness handles data you’d rather Manifest never hold onto, leave recording off for that harness.

Retention

Recordings are deleted on a schedule. The metadata row in the request log stays; only the stored body pair goes away. Cloud Pro keeps 365 days only while the subscription is active or in a trial. A canceled workspace, or one whose payment failed, drops to 7 days, and the nightly cleanup applies that on its next run, deleting everything older than 7 days. Self-hosted installs can override this with REQUEST_RECORDING_RETENTION_DAYS. Setting it also overrides the per-plan split, so every recording on the instance expires on the same schedule.

Self-hosted storage

Logs were reintroduced in v6.18.0. On an older self-hosted install, upgrade Manifest first.
Recordings don’t live in Postgres. They’re gzipped and written to object storage, which you pick per instance.
The bundled compose file mounts a named volume manifest_request_recordings at /data/request-recordings and points Manifest at it. Nothing to configure when your compose file includes that volume; an install from before v6.18.0 needs one upgrade step first. The volume survives docker compose down the same way the Postgres volume does.
REQUEST_RECORDING_STORAGE defaults to auto, which picks the backend by what you’ve configured: any S3 setting present means S3, otherwise the mounted filesystem path. Set it to s3, filesystem, or disabled to decide explicitly.
Under auto, setting some S3 variables commits Manifest to S3. A bucket without a region, or one access-key half without the other, leaves recording with no working backend instead of falling back to local disk. Configure it fully or not at all.
Full variable list: Environment variables.

Check it’s working

A storage problem never stops traffic, and the dashboard never mentions it. Flipping Enable logs on still confirms the change, and attempts come back without Messages, Tools, or Raw tabs, exactly as if logs were off. The server output is the only place the problem shows.
A line reading Request recording storage unavailable: <reason> means Manifest is storing nothing, and the reason names what to fix. No such line means the backend resolved.

Platforms without a persistent disk

The one-click templates set this up for you. Render mounts a persistent disk. Railway, Fly, AWS, and Google Cloud provision object storage during deploy. Heroku, Koyeb, and DigitalOcean collect your bucket and keys as part of template setup. On any other platform with an ephemeral filesystem, point recording at S3-compatible storage yourself, or recordings only survive until the next deploy.