EchoRelay

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "echorelay": {
      "type": "http",
      "url": "https://mcp.echorelay.dev"
    }
  }
}

80 tools

• get_project

  Get the EchoRelay project this token is scoped to: id, slug, name, caller-facing API base URL, whether the token has edit access, and the request-log hot-tier retention window.

• list_lines

  List every line in the project: returns `{lines: []}` in one call, with no paging. Each entry reports `lineKey`, `name`, `active`, `docsShared`, `publishedAt`, `endpointCount`, and its draft state (`draftRevision`, `hasDraft`, `scheduledPublish`). A project with no lines yet…

• list_endpoints

  List the endpoints under one line, identified by `lineKey`; returns `{lineKey, endpoints: []}` with no paging. Each entry reports `id`, `name`, `path`, `httpMethod`, `strict`, `mock`, and `targetCount` — not the endpoint's full body, which get_endpoint returns. Errors when…

• get_endpoint

  Get one endpoint's full document by `lineKey` and `endpointId`: `id`, `lineKey`, `name`, `url`, `httpMethod`, `strict`, `rateLimit`, `allowedIPs`, `idempotencyEnabled`, `senderSignature` (`{scheme, credentialId}`, plus `custom` for the custom-hmac scheme, or null: whether the…

• get_config

  Get the project's published relay configuration — the exact JSON the EchoRelay Framework consumes. Includes pendingPublish with its frozen, redacted config when one is scheduled.

• config_diff

  Preview what Save & Publish (or the pending scheduled publish, if one exists) would change: added/removed/changed lines, and within each changed line the added/removed/changed endpoints and targets, plus any project-level setting change. Outbound auth secrets are redacted the…

• list_config_revisions

  List every retained revision of one line, newest first, so a target revision can be picked for rollback_config. Returns `{revisions: []}` with no paging; each entry has `revision`, `publishedAt`, `current`, and `active`. Errors when `lineKey` is missing or doesn't match a line…

• get_line_draft

  Read one line draft, its optimistic revision, preview, and schedule.

• preview_line_draft

  Preview one line draft without publishing it.

• publish_line_draft

  Publish one line draft now and clear only its schedule.

• discard_line_draft

  Discard every unpublished change and schedule for one line.

• discard_draft_endpoint

  Discard one endpoint change from a line draft.

• schedule_line_publish

  Schedule one non-empty line draft. Active subscribers required.

• cancel_line_publish

  Cancel one line schedule before its two-minute lock.

• rollback_config

  Preview or apply publishing a retained line revision over what is currently published, clearing any pending schedule. Without confirmRevision this only returns the diff (the redacted change-gate preview, same shape as config_diff) between what is currently published and the…

• get_billing

  Get the project's credit balances (paid + testing) and which ledger it settles on. `billingModel` is `prepaid` (metered against the credit balance) or `invoiceable` (an Enterprise account, settled on the contract — its credit fields read empty/zero by design, not because it is…

• set_burst_opt_in

  Enable or disable the auto-decaying burst window for live traffic and publish the change immediately. When enabled, brief spikes a little above your steady RPM cap are absorbed at the normal credit rate (no surcharge, no burst SKU) instead of being rejected. Sustained overage…

• set_rpm_ceiling

  Set or clear a self-set ceiling on this project's own effective live-traffic RPM (Traffic shaping) — for when your origin can't take the throughput your plan grants. Never plan-gated: the ceiling can only LOWER your effective RPM below your plan/add-on rate, never raise it, and…

• set_outbound_allowlist

  Narrow the project's outbound host allowlist — the hosts a target may point at. The current list is on get_project as `outboundHostAllowlist` (empty means any public host). This tool may only narrow it: `patterns` must be a strict subset of, or equal to, the current list…

• create_line

  Create a new versioned line. A new line has no endpoints, so creating one publishes nothing and serves no traffic yet — add an endpoint, which publishes the line with it. Draft mode requires draftRevision 0. Requires edit access.

• delete_line

  Delete a line and every endpoint under it, immediately or by staging the removal in the line's draft with commitMode "draft" and draftRevision (returns `{draft}`, discardable via discard_line_draft, instead of deleting right away). An immediate delete removes the line's own…

• activate_line

  Activate and immediately publish an inactive line so it serves traffic again. Blocked at the active-line cap — deactivate another line first. Requires edit access.

• deactivate_line

  Take a line off the data plane immediately (callers get 404) without deleting it — endpoints/targets/config are preserved and it can be reactivated later. A deliberate action; live traffic is never auto-disabled. Requires edit access.

• duplicate_line

  Copy a line and all its endpoints/targets/rules into a new line key — build v2 from v1. The copy is saved inactive and remains off the data plane; edit it, then activate_line when ready. Requires edit access.

• set_docs_shared

  Turn the line's public OpenAPI docs on or off. When enabled, the line's spec is published at docs.{baseDomain}/{slug}/{lineKey} (and …/openapi.json); when disabled those URLs return 404. The `docsShared` field on each line read (list_lines) reflects the current state. Requires…

• create_endpoint

  Create an endpoint under a line. Defaults to immediate publish; draft mode requires draftRevision. scheduledAt stages the line draft then schedules it. Requires edit access.

• generate_line_draft

  Generate a draft endpoint under a line from a sample inbound request and a description of the target: infers the inbound body schema from the sample, reads the target's method/URL/fields from an OpenAPI document (targetDocument) or a bare sample plus targetUrl, and proposes an…

• update_endpoint

  Update an endpoint immediately or by staging the change in its line draft with commitMode "draft" and draftRevision; the patch is merged field-by-field onto the endpoint's current values, so omitted keys keep their values. Targets are matched by the `id` get_endpoint returned…

• delete_endpoint

  Delete an endpoint and its targets, immediately or by staging the removal in the line's draft with commitMode "draft" and draftRevision (returns `{draft}` instead of deleting right away). An immediate delete publishes a new revision without the endpoint and returns `{deleted…

• default_endpoint_template

  Return a canonical minimal-valid endpoint JSON for a fresh line. POST it verbatim to create_endpoint to land an immediately-working endpoint, then customise. It comes back with `mock: true`: it answers callers with its own canned body and never dials the target it carries, so a…

• dry_run_endpoint

  Validate an endpoint document without writing it. Returns either {ok: true, resolved: <Framework config slice>} or {ok: false, errors: {...}}. Pass endpointId to dry-run a PATCH against an existing endpoint; omit it to dry-run a create. Supply sample and/or answerSample to also…

• list_members

  List accepted and pending members of this project, plus the owner (role "owner"), each with `id`, `email`, `name`, `role`, and whether the invite has been accepted. Returns `{members: [], count, seatCap, seatsUsed}` with no paging — `count` is the roster size…

• invite_member

  Invite a person by email to collaborate on this project. Returns the new invitation record; the invitee receives an email with an accept link. Enforces the seat cap for the plan tier. Owner only.

• remove_member

  Remove a member (accepted or pending) from this project by memberId or email, matching the first record found; returns `{message, email}`. This deletes the membership record outright with no undo, so getting the person back onto the project takes a fresh invite_member call, not…

• set_member_role

  Change a member's role between editor, viewer, and billing. Identify the member by their member ID or email (from list_members); the project owner's own role cannot be changed. Returns the updated member record. Owner only.

• resend_invite

  Re-send the invitation email for a still-pending invite, by member ID or email (from list_members). The original accept link is reused. Already-accepted members are rejected. Owner only.

• list_api_keys

  List the project's inbound API keys as metadata only — the secret plaintext is never returned, only `id`, `name`, `mode`, `prefix`, `createdAt`, `createdBy`, `lastUsedAt`, `expiresAt`, `revokedAt`, `successorId`, `predecessorId`, and `successorRevealedAt`. Returns `{keys: []}`…

• create_api_key

  Mint an inbound relay (data-plane) API key for callers to send traffic to this project. Its `er_live_` or `er_test_` secret authenticates relay requests; it cannot call management MCP or REST. Returns the plaintext exactly once — store it now, it cannot be retrieved later…

• rotate_api_key

  Mint a linked successor for an existing key. Returns the successor plaintext exactly once — store it now. The predecessor stays valid through its overlap window so callers can swap without downtime. Owner anywhere, editor on own keys.

• reveal_rotation_successor

  One-shot retrieval of the plaintext for a successor minted by the auto-rotation scheduler (not by rotate_api_key — that returns its own plaintext directly). Decrypts the at-rest ciphertext, returns it once, then destroys it; a second call errors. Only available while the…

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