Rosey – Quality verification for human and AI content

Rosey verifies human- and AI-produced content against your source material, then sorts findings into what's confirmed, what should change, and what needs a…

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What it can do

  • Initiate Rosey: Start a Rosey fact-check session. Returns a project_id required by all subsequent tools. Only call this when the user has attached BOTH a target document AND at least one supporting so
  • Get Upload Url: Presigned S3 upload slot for one file. Preferred way to add a file. Use this whenever your environment can upload bytes to a URL. It stores the exact file without retyping. Only fall b
  • Add File: Add one file to a fact-check project by reference, fetched server side. Prefer get_upload_url: when your environment can upload bytes to a URL it is cheaper and stores the exact file. Use ad

What data it sees

Do you need an account

No: the server works without sign-in

Rosey verifies human- and AI-produced content against your source material, then sorts findings into what's confirmed, what should change, and what needs a second look.

Every claim, number, and citation in a document is checked against the source files you supply, with findings delivered as traceable evidence rather than a bare confidence score. Optional expert personas (a CFO reviewing for financial coherence, an adversarial analyst stress-testing claims, an operating partner checking operational plausibility) surface weaknesses before an output reaches its audience.

Built for agentic pipelines as well as people: an agent cannot reliably verify its own output, so verification belongs in a separate system checking claims against ground truth.

A run needs one target document plus at least one supporting source (.docx, .md, .pdf, plaintext). A free Rosey account includes three verifications.

How to connect

How to connect Rosey – Quality verification for human and AI content to Claude

The server address to paste into Claude settings:

https://rosey--insummary.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect Rosey – Quality verification for human and AI content to ChatGPT

The server address to paste into ChatGPT settings:

https://rosey--insummary.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect Rosey – Quality verification for human and AI content to Cursor

The server address to paste into Cursor settings:

https://rosey--insummary.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (8)

Raw names from tools/list. Only developers need these.

initiate_roseyStart a Rosey fact-check session. Returns a project_id required by all subsequent tools. Only call this when the user has attached BOTH a target document AND at least one supporting source file. Rosey extracts and parses both files itself, server side, and every verdict is anchored to the stored bytes. Reading, summarising or re-typing the contents into the conversation first changes nothing about the result and is not part of the flow. Returns: project_id (str) - pass to get_upload_url and submit_fact_check
get_upload_urlPresigned S3 upload slot for one file. Preferred way to add a file. Use this whenever your environment can upload bytes to a URL. It stores the exact file without retyping. Only fall back to add_file when an HTTP upload is not possible (e.g. ChatGPT, Copilot, Relay). role has no default and must be set: "target" - the document being fact-checked (exactly one per job) "supporting" - a source file containing ground-truth data (one or more) method (optional, default "post"): "post" - presigned multipart POST (default). S3 enforces size and content-type. fields_list carries every form field, alongside a "file" field holding the bytes. The values are part of a signed policy, so reformatting any of them invalidates the signature. "put" - presigned PUT. Single URL, no form fields. PUT raw file bytes directly to upload_url with Content-Type header set to mime_type. Use this when multipart/form-data is not supported (e.g. relay.app). Common mime_type values (set it to the file's real content type): text/markdown, text/plain, text/csv, text/html, application/pdf, application/vnd.openxmlformats-officedocument.wordprocessingml.document, application/msword, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.openxmlformats-officedocument.presentationml.presentation Returns: file_id (str) - pass to submit_fact_check upload_url (str) - upload the file bytes here upload_method (str) - "post" or "put"; determines how to upload fields (dict) - POST policy fields (empty when upload_method="put") fields_list (list) - same as fields but as [{name,value}] pairs max_bytes (int) - 20 MB cap
add_fileAdd one file to a fact-check project by reference, fetched server side. Prefer get_upload_url: when your environment can upload bytes to a URL it is cheaper and stores the exact file. Use add_file only when you cannot upload but the file is reachable as a reference Rosey can fetch for you: file - ChatGPT fills this automatically for an attached file source_url - an https URL the user actually gave you, that Rosey downloads the file from File contents pasted into this call are not accepted, and a constructed or guessed source_url will not resolve to the user's file. When the file is in hand but has no real URL, get_upload_url takes it without the bytes ever entering the context. role has no default and must be set: "target" - the document being fact-checked (exactly one per job) "supporting" - a source file with ground-truth data (one or more) Common mime_type values (set it to the file's real content type): text/markdown, text/plain, text/csv, text/html, application/pdf, application/vnd.openxmlformats-officedocument.wordprocessingml.document, application/msword, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.openxmlformats-officedocument.presentationml.presentation Returns: file_id (str) - pass to submit_fact_check
submit_fact_checkRun the fact-check and return a job_id immediately. Idempotent on retry. Both document_file_id and supporting_file_ids are required. The call fails if either is missing; without sources there is no evidence to verify against. A limit or quota error (trial or token budget) means the fact-check did not run and no Rosey verdict was produced for the document. The error text carries the upgrade path. document_file_id - file_id from get_upload_url with role='target' supporting_file_ids - list of file_ids from get_upload_url with role='supporting' (at least one required, max 20) experts - optional list of expert keys to run (call list_experts to see the options). Defaults to ['accuracy'] when omitted. Different expert sets are treated as different runs (not deduplicated). Returns: job_id (str) - use with get_fact_check_result status (str) - "pending" or "running" deduplicated (bool) - true if an identical job was already active; the returned job_id is that existing job
get_fact_check_resultPoll for a fact-check result. Waits up to ~30s and returns the moment the job finishes. Call again with the same job_id while status is "running". Returns one of: Completed: {status: "completed", findings, stats, report_url?, next_step} findings groups the flagged items (todo, review, fyi). Each finding carries severity, action, title, description, anchor_text, replacement_text and source_references (file_name + passage). stats counts every claim checked, split into contradicted, unsupported and verified. report_url (when present): the hosted report, the target document with every claim annotated in place, the verified ones included. The user opens it signed in to Rosey. Still running: {status: "running", next_step: "call again..."} Failed: {status: "failed", error: "..."} Verified claims are counted in stats.verified but are not listed here. They carry nothing to act on, and the full annotated set is in the report. Scope of a completed result: findings cover only the claims Rosey extracted and checked, and stats.checked is that total. Anything the document asserts beyond those claims was not checked, and Rosey makes no claim about it. A failed result means the run did not happen and no Rosey verdict exists for the document. error carries the reason.
list_fact_check_jobsRecent jobs, most recent first. Use this to re-find an in-progress job_id. limit: number of jobs to return, 1-100 (default 20) Returns: jobs: list of {job_id (str), status (str), created_at (ISO-8601 str)}
list_expertsList the experts you can pass to submit_fact_check(experts=[...]). Defaults to ['accuracy'] when submit_fact_check is called without experts. Returns: experts: list of {key (str), name (str), description (str)}. Pass the chosen `key` values in submit_fact_check's experts arg.
get_budget_statusCurrent Rosey token usage and your tier's cap for the rolling window. Returns: used (int) - input+output tokens spent in the window cap (int | null) - your tier's cap; null means unlimited window_seconds (int) - length of the rolling window resets_in_seconds (int) - seconds until the oldest entry ages out (0 if empty)