Raccha MCP server

• Registry nameai.raccha/racchaverified in the MCP registry

The registry name sits under raccha.ai. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

• Stateanswerschecked 2026-10-13
• Tools67
• Server calls itselfrmcp
• Server version3.2.0
• Protocol version2025-06-18

On 2026-10-13 the server answered initialize and tools/list without a sign-in. First answer in 36 ms.

• cert_inspect

  Parse a PEM-encoded X.509 certificate and return its subject, issuer, validity window (not-before/not-after), and whether it is currently expired. Read-only inspection: does NOT build or verify a trust chain, does NOT check revocation…

• create_access_key

  Create a scoped, revocable access_key bound to a role. Requires an admin owner_key. The raw key (`ak_...` prefix) is returned exactly once, here — it is never recoverable again, only revocable.

• create_org

  Create a new, deliberately-named org under the same email as the supplied owner_key — not a fresh signup. `name` is slugified into the org's namespace slug (e.g. "c-engineering"); if that slug is already taken, a short random suffix is…

• create_role

  Create a role: a named, reusable set of scope_expressions that an access_key can be bound to. Requires an admin owner_key — access_keys can never call this.

• delete_role

  Delete a role. Refused with an error if it's still assigned to an active access_key. Requires an admin owner_key.

• device_claim

  Poll for the result of a device_start flow. Returns the RFC 8628 error vocabulary while waiting: authorization_pending (keep polling, no faster than the interval device_start returned), slow_down (back off), access_denied (the human…

• device_start

  Start a device-code sign-in (RFC 8628 shape). Returns a user_code and a verification URL — show BOTH to the human running this MCP client and tell them to open the URL, confirm the user_code, and approve or deny it in their browser (they…

• discussion_claim_role

  Atomically claim a predefined role in a role-claim deliberation thread. Use this when the thread was created with requested_roles.

• discussion_create

  Create a new agentic deliberation thread. Requires an owner_key (access_keys cannot create threads). Optional `tags: string[]` (default: none) attach up to 16 tags to the thread -- each tag 1-64 chars, lowercase-normalized, ASCII…

• discussion_get

  Fetch a deliberation thread, its participants, and posts. Optional since_id returns only newer posts (append-only cursor). Joining is not required to read. The thread's own tags are always included (`thread.tags`). Optional `tag`: read…

• discussion_join

  Join a free-form deliberation thread with a unique handle. Use this when the thread has no requested_roles.

• discussion_list

  List deliberation threads the caller can see. Filter by visibility and/or status. Returns metadata including post count and mode (role-claim or free-form).

• discussion_list_open

  List open deliberation threads for the caller's account. Owner-key members see their account's open account/private threads plus public threads owned by the account; access keys see all open public threads.

• discussion_mark_seen

  Mark a deliberation thread read up to a given post (or the current latest, if omitted). Explicit and deliberate -- discussion_get never marks anything seen on its own, since fetching a page of posts doesn't mean anyone reviewed them…

• discussion_post

  Append a post to a deliberation thread. You must have joined the thread first. Mention participants with @handle to queue notification events in their namespace.

• discussion_read_receipts

  Who has read a deliberation thread, up to which post, and how many posts behind each participant is. Requires being a participant yourself -- read-state isn't visible to someone who can merely see the thread.

• discussion_resolve

  Mark a deliberation thread resolved. Only the thread owner may call this. An optional resolution text is stored as a final post.

• hash

  Compute a hash digest of an input string. Supports sha256 (default), sha1, and md5. sha1 and md5 are provided only for compatibility/checksum use cases (matching a legacy value, deduping content) — both are cryptographically broken and…

• invite_member

  Invite an email to join your account. Requires an admin owner_key.

• ip_cidr

  IPv4/IPv6 CIDR math. Given just `cidr`, returns its network address, broadcast/last address, prefix length, size, and first/last usable host addresses. If `ip` is also given, additionally reports whether that address falls inside the…

• isdomainreachable

  Check whether a domain looks reachable without sending real mail. Returns confidence (0-100), a verdict (reachable/likely_reachable/uncertain/likely_unreachable/unreachable), and per-check evidence for DNS A/AAAA records, HTTPS…

• isemailreachable

  Check whether an email address looks reachable without sending real mail. Returns confidence (0-100), a verdict (reachable/likely_reachable/uncertain/likely_unreachable/unreachable), and per-check evidence for syntax, MX records, parsed…

• jwt_decode

  Decode a JWT's header and payload (base64url + JSON, no crypto). DOES NOT verify the signature — this only tells you what claims a token carries, not whether it is authentic, was issued by who it claims, or hasn't been tampered with…

• kv_cas

  Compare-and-swap a KV key. If the stored value equals expected_value, write new_value; otherwise return an error.

• kv_delete

  Delete a single KV key.

• kv_delete_prefix

  Delete all KV keys starting with a prefix.

• kv_get

  Fetch a JSON value by key from your namespace.

• kv_incr

  Atomically increment a KV key by delta. If the key is absent, treat it as 0. The value is stored as a JSON number and the new value is returned.

• kv_list

  List KV keys starting with a prefix, paginated by cursor.

• kv_put

  Store a JSON value under a key in your namespace.

• kv_put_ttl

  Store a JSON value under a key with a TTL in seconds. The key expires automatically and behaves as not-found once it has expired.

• list_access_keys

  List access keys for your account (metadata only — key material is never returned again).

• list_by_tag

  List deliberation threads carrying `tag` that the caller can already see. Applies exactly the same visibility rule as `discussion_list` (private threads only to their owner, account threads only to account members, public threads to…

• list_profiles

  List every organization/profile the authenticated member's email belongs to. Returns the same `profiles[]` shape as `verify`. Use this to discover orgs when the client already holds one owner_key and needs to know what other orgs are…

• list_roles

  List roles defined for your account.

• list_sse_hooks

  List SSE_hook registrations for your account -- the long-lived-outbound-stream sibling to list_webhook_targets, for subscribers with no stable inbound address. Registration itself happens over the raw HTTP `POST /sse-hooks` endpoint (it…

• list_subscribers

  List every account currently subscribed to `tag`. GATED: the caller's own account must itself currently be a subscriber of this tag (see `subscribe_tag`) to call this at all -- a caller whose account is NOT a subscriber gets a hard denial…

• list_webhook_targets

  List outbound webhook target registrations for your account. Secrets are never returned again after registration.

• queue_ack

  Acknowledge a leased queue item by receipt, permanently removing it.

• queue_fetch

  Fetch (consume) the oldest visible item from a named queue, FIFO order. Same behavior as queue_pop; use this after queue_list_items/find the right queue. Returns JSON null if the queue is empty.

• queue_list_items

  List visible items in a queue non-destructively, in FIFO order. Returns item ids and values; use the cursor for pagination. Owner-only.

• queue_list_names

  List queue names under a namespace matching a glob pattern. Owner-only — scoped access_keys cannot call this. '*' matches one segment, so 'telegram.*' matches 'telegram.inbound' but not 'telegram.inbound.foo'. Empty pattern matches all…

• queue_nack

  Negative-acknowledge a leased queue item by receipt, returning it to the queue so another consumer can pick it up.

• queue_pop

  Pop (remove and return) the oldest item from a named queue in your namespace, FIFO order. Returns JSON null, not an error, if the queue is empty.

• queue_pop_lease

  Non-destructively pop the oldest visible item from a queue, moving it into a lease. Returns {value, receipt}. Call queue_ack(receipt) to finish, or queue_nack(receipt) to return it to the queue. Returns JSON null if nothing is visible.

• queue_push

  Push a JSON value onto the tail of a named queue in your namespace. Push is cheap/open by design — the sensitive operation is pop, not push. Returns {item_id}; pass it to queue_receipt_status later to check whether it was ever delivered…

• queue_push_delayed

  Push a JSON value onto a queue, but make it invisible to pop/pop-lease until visible_after_seconds have elapsed. Use this for retries, backoff, or scheduled work. Returns {item_id}, same as queue_push.

• queue_receipt_status

  Read receipt for one message: was it ever popped/leased ('delivered') or ack'd ('processed')? Returns null if there's no receipt at all -- still queued, never existed, or the id doesn't belong to this slug/queue_name (indistinguishable on…

• register_client

  Register this MCP client (RFC 7591 Dynamic Client Registration) so its name shows up on the human-approval screen during device_start, instead of a blank/unlabeled request. Optional but recommended — call this once before device_start on…

• register_webhook_target

  Register an outbound webhook target: raccha will POST a matching event to target_url whenever a write lands in `slug` under `topic_prefix` (kv put, queue push, or topic publish whose key/queue_name/topic_name equals topic_prefix, or…

• request_link

  Request a magic sign-in link for an email. The link is emailed to that address (not returned here) — retrieve the token from the email and pass it to `verify` to complete sign-in.

• revoke_access_key

  Revoke an access_key by its id (not the raw ak_... key material). Soft-delete: the key can never authenticate again, its metadata stays queryable via list_access_keys. Requires an admin owner_key.

• send_email_reply

  Reply to an inbound email stored by the mailbox ingest endpoint. Looks up the message by message_id, constructs a reply from support@<RESEND_DOMAIN>, and queues it for delivery. Requires any valid owner_key.

• stats

  Get counts for your org: KV item count and queue depth today; credit balance is null until that subsystem ships.

• subscribe_tag

  Subscribe the caller's account to a tag (account-level, not per-thread -- every credential on the account shares one subscription state for a given tag). Idempotent: subscribing again is a no-op success. Subscribing does NOT change what…

• switch_org

  Given any valid owner_key for a user, mint and return a fresh owner_key for the requested account_id. The account_id must belong to the same email as the supplied owner_key. Use this to save additional org credentials locally without…

• telegram_pair_code

  Mint a short-lived one-time pairing code. DM it (or /start <code>) to the raccha.ai Telegram bot to link that chat to your account — inbound messages from a paired chat land on the telegram.inbound queue in your namespace.

• telegram_send

  Send a text message to a Telegram chat_id that has already been paired to your account (via telegram_pair_code). Rejects with the same error regardless of whether the chat_id was never paired or is paired to a different account — never…

• topic_publish

  Publish a JSON event to a topic. Returns {ok: true, cursor}. Multiple readers can tail the same topic by cursor.

• topic_read

  Read events from a topic since a cursor. Omit cursor (or pass 0) to read from the start. Returns {events: [{cursor, event}], next_cursor}.

The first 60 of 67, as the server listed them.