MCP server

Estuary Flow MCP by usefulapi

io.usefulapi/estuary-flow

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Inspect Estuary Flow captures, materializations, collections and stats.

Website Source

At a glance

Type

MCP server

Publisher

usefulapi.io (verified by the MCP Registry)

Status

Working at last check

Tools

15

Token cost

About 2,738 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http estuary-flow https://estuary-flow.usefulapi.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.estuary-flow]
url = "https://estuary-flow.usefulapi.io/mcp"

Gemini CLI

{"mcpServers":{"estuary-flow":{"httpUrl":"https://estuary-flow.usefulapi.io/mcp"}}}

Cursor

{"mcpServers":{"estuary-flow":{"url":"https://estuary-flow.usefulapi.io/mcp"}}}

VS Code

{"servers":{"estuary-flow":{"type":"http","url":"https://estuary-flow.usefulapi.io/mcp"}}}

Antigravity

agy mcp add estuary-flow https://estuary-flow.usefulapi.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"estuary-flow","server_url":"https://estuary-flow.usefulapi.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"estuary-flow","server_url":"https://estuary-flow.usefulapi.io/mcp"}

Tools

• estuary_create_draft ~123 tokens
  WRITE: create a new empty draft workspace (a staging area for catalog changes; does not affect live pipelines). Estuary control-plane: POST /drafts. Returns the created row.
• estuary_get_catalog_spec ~148 tokens
  Get one live catalog entity by its exact catalog_name, including the full serialized `spec` and compiled `built_spec`. Estuary control-plane view live_specs_ext. PostgREST: GET /live_specs_ext?catalog_name=eq.<name>&limit=1.
• estuary_get_catalog_stats ~293 tokens
  Get usage/throughput stats for one catalog entity — bytes & docs read/written (both directions), usage_seconds, warnings/errors/failures, and txn_count — per time grain. Optionally bound by a timestamp range. Estuary control-plane view catalog_stats. PostgREST: GET /catalog_stats.
• estuary_get_tenant ~135 tokens
  Get the user's tenant(s) — quotas (tasks/collections), billing tiers, recurring charge, trial start, and payment provider. Estuary control-plane table tenants. PostgREST: GET /tenants.
• estuary_list_catalog ~275 tokens
  List live catalog entities (captures, collections, materializations, tests) the user can read, with connector + last-publication metadata. Optionally filter by a catalog-name prefix and spec_type. Estuary control-plane view live_specs_ext. PostgREST: GET /live_specs_ext.
• estuary_list_connector_versions ~173 tokens
  List available versions (image tags) of connectors, with protocol and documentation URL. Optionally filter by connector_id. Estuary control-plane table connector_tags. PostgREST: GET /connector_tags.
• estuary_list_connectors ~183 tokens
  List the connector catalog — available capture/materialization Docker connectors, with titles, descriptions, and logos. Optionally filter to recommended connectors. Estuary control-plane table connectors. PostgREST: GET /connectors.
• estuary_list_discovers ~125 tokens
  List connector discovery jobs (auto-detecting bindings/resources for a capture). Estuary control-plane table discovers. PostgREST: GET /discovers.
• estuary_list_draft_specs ~166 tokens
  List the staged spec entries within a draft (each an insert/replace of a catalog entity pending publication). Estuary control-plane table draft_specs. PostgREST: GET /draft_specs.
• estuary_list_drafts ~124 tokens
  List the user's draft workspaces (staging areas for catalog edits before publishing). Estuary control-plane table drafts. PostgREST: GET /drafts.
• estuary_list_publications ~139 tokens
  List publication history/status — each publish attempt of a draft; job_status carries the queued/success/failed outcome. Estuary control-plane table publications. PostgREST: GET /publications.
• estuary_list_roles ~137 tokens
  List the roles/capabilities the current credential is granted — which catalog prefixes it can read/write/admin. Read-only RPC. Estuary control-plane: POST /rpc/auth_roles.
• estuary_publish_draft Sends messages · ~252 tokens
  WRITE (DESTRUCTIVE when dry_run=false): publish a draft. dry_run=true (default) only VALIDATES the draft without changing anything. dry_run=false APPLIES the draft to the LIVE catalog — this can create, modify, or DELETE running data pipelines and their data. Set dry_run=false only when you intend t
• estuary_upsert_draft_spec ~277 tokens
  WRITE: stage (insert or replace) a catalog spec inside a draft. Edits only the draft — live pipelines are unaffected until the draft is published. Estuary control-plane: POST /draft_specs (upsert on draft_id,catalog_name). Returns the staged row.
• estuary_view_task_logs ~188 tokens
  Fetch the log lines for a job by its logs_token (a UUID found on a publication, discover, or connector-tag record). Optionally page from a last-seen timestamp. Read-only RPC. Estuary control-plane: POST /rpc/view_logs.

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