io.github.lonniev/excalibur-mcp
io.github.lonniev/excalibur-mcpFastMCP server for posting formatted content to X (Twitter) — Tollbooth-monetized, DPYC-native
Tools · 78
Check a patron's credit balance at this operator. This is the patron's spending balance — credits purchased via Lightning for tool calls at this operator. For the operator's own balance at the Author…
Buy credits via Bitcoin Lightning. Creates a Lightning invoice. Pay it with any Lightning wallet, then call check_payment to confirm. Proof of npub ownership is required so credits land in the correc…
Check the payment status of a Lightning invoice. Call after paying the invoice from purchase_credits. Free — no credits required. Proof of npub ownership is required to prevent credit-grant front-run…
Credit a patron's ledger from a BTCPay-settled invoice. **RESTRICTED to the operator** — the operator owns the books and is the only party who can issue a manual credit grant. Patrons who believe the…
Generate a patron's account statement at this operator. Returns the patron's purchase history, active credit tranches, per-tool usage breakdown, and recent daily usage logs. This is the patron's spen…
Generate a visual SVG infographic of your account statement. Returns the same data as account_statement, rendered as a dark-themed SVG graphic with balance hero, metrics cards, health gauge, tranche …
File a field report about this service as a GitHub issue on the operator's repo. Found a tool's metadata or response wrong or confusing? Report it where the tool lives. The **author of record is your…
Check the health and configuration of this service. Free.
Report this operator's configuration readiness. Shows which operator settings are configured, which are missing, and how to deliver each missing value. For patron-level credential status, use get_pat…
Report a patron's credential readiness for this operator. For set-once services (eXcalibur, TheBrain), shows which patron secrets are configured and which are missing. For dynamic/OAuth2 services (Sc…
Check operator readiness. Returns the operator lifecycle state and clear guidance on what to do next. Free. Lifecycle states: - ready: Operator is warm and fully operational — vault AND pricing mod…
Open a Secure Courier channel for credential delivery. This is the CREDENTIAL-DELIVERY flow — use it to hand over a service secret (API keys, tokens). To merely prove you control an npub (the usual a…
Pick up credentials from the Secure Courier. Completes the CREDENTIAL-DELIVERY flow (the ownership-proof counterpart is ``receive_npub_proof``). **Call this only after the user confirms they have re…
Delete vaulted credentials for a specific service and npub. For operator credentials, pass the operator's own npub. For patron credentials, pass the patron's npub. Always requires proof of npub owner…
Add or update a single patron credential field. Merges into existing stored credentials without affecting other fields. Useful for setting an account identifier after OAuth, changing a default brain,…
Add or update a single operator secret field. Merges into the operator's stored credentials without touching the others — the field-level counterpart to re-delivering the whole bundle over Secure Cou…
Remove a single patron credential field. Deletes one field from stored credentials without affecting other fields. Free. Proof of npub ownership is required — this is a write to the patron's sensitiv…
Remove a single operator secret field. Deletes one key from the operator's encrypted credential blob without touching the others — the field-level counterpart to ``forget_credentials``, which wipes t…
List stored patron credential field names (not values). Returns the names of fields stored for a patron, plus each field's ``delivered_at`` ISO-8601 timestamp when known (null for secrets vaulted bef…
Start the OAuth2 authorization flow. Returns an authorization URL. Open it in a browser to log in and authorize. Then call ``check_oauth_status`` with the same npub to complete. Free. Proof of npub o…
Check whether the OAuth2 authorization flow has completed. Call after opening the authorization URL from ``begin_oauth`` and completing the login in your browser. Free. Proof of npub ownership is req…
Request npub ownership proof from a patron via Nostr DM. This is the npub-OWNERSHIP-PROOF flow — use it when a call returns ``proof_required``. It proves the caller controls an npub; it does NOT deli…
Receive npub ownership confirmation from a patron. Completes the npub-OWNERSHIP-PROOF flow (the credential-delivery counterpart is ``receive_credentials``). **Call this only after the user confirms …
Check whether a previously-cached dpop_token is still valid. Mirrors ``check_oauth_status`` for the npub-proof flow: a calling agent can ask "will my next paid call accept this dpop_token?" before bu…
Get DPYC onboarding instructions from the Oracle. Free.
Get the current DPYC certification tax rate. Free.
Look up a DPYC community member by npub. Free.
Describe the DPYC ecosystem via the Oracle. Free.
Get active network advisories from the Oracle. Free.
Check this operator's tax balance at the Authority. Returns the sats available for certifying patron credit purchases. When this balance reaches zero, patron top-ups cannot be certified and the opera…
Get the active pricing model for this operator. Free. If no model exists, self-initializes a scaffold with all registered tools at 0 sats. No economic data from code.
Set the active pricing model. RESTRICTED to operator. Requires a valid proof (Schnorr-signed kind-27235 event) proving the caller holds the operator's nsec.
Erase all pricing models and restore a viable default. Deletes every stored model, then self-initializes a fresh one from the tool registry — all tools at 0 sats with proper UUIDs. Returns the new mo…
Ask a chosen Authority to adopt this operator (deferred courtship). RESTRICTED to the operator — requires proof the caller controls this operator's npub. Resolves the Authority's MCP endpoint from th…
Check this operator's adoption-request status at a chosen Authority. Free. Polls the Authority MCP-to-MCP for the status of this operator's request (pending / approved / rejected / provisioned).
Re-run ``ensure_schema()`` on every NeonVault this operator uses. Diagnostic / recovery tool for the case where the Neon HTTP SQL API is returning persistent 4xx errors and the operator suspects the …
Return canonical (tool_id, mcp_name, …) for every tool the wheel exposes. The authoritative source for any client (Studio, agents, FE) that needs to know how this MCP identifies its tools. Reconcile …
Read an npub's public Nostr profile (NIP-01 kind-0 metadata). Free, no proof — the data is already public on relays. Returns the latest metadata fields (name, display_name, about, picture, banner, ni…
Publish a CLIENT-SIGNED kind-0 profile to relays for an npub. The wheel never holds a patron nsec. The frontend signs the kind-0 metadata event with the patron's session key or a NIP-07 extension and…
Preview the effective cost of a tool call. Shows the base cost and any constraint effects (discounts, free trials, surge pricing). Free — no credits required.
List all available constraint types and their parameter schemas. Returns the type, category, description, and parameter specs for every constraint that can be used in a pricing pipeline. Free — no cr…
Create a new operator-owned discount coupon.
List every coupon this operator has minted (newest first). Each row carries the current ``times_redeemed`` counter — the Studio renders a progress bar from this against ``total_uses``. RESTRICTED to …
Patch a coupon's editable fields. Pass only the fields you want to change. To set a cap to unlimited (NULL in the schema), pass ``clear_uses_per_patron=true`` or ``clear_total_uses=true``. Renaming…
Delete a coupon. Cascades to all patron redemptions. Any chain step referencing the deleted coupon_id becomes a no-op (the constraint returns neutral on unknown ids) — the Studio surfaces orphan ref…
Claim a coupon by its name (the code the operator shared). Looks up the operator's coupon by ``code``, validates the window and total cap, and records a per-patron redemption row. Subsequent paid too…
List the coupons this patron has redeemed on this operator. Returns both active and exhausted redemptions with a per-row ``status`` (``active`` / ``window_closed`` / ``patron_limit`` / ``total_limit`…
Remove a coupon from this patron's redemption list. Cosmetic only — the coupon itself still exists at the operator, and the patron can re-redeem the same code later while the window allows. Free — r…
Build a Merkle tree of all patron balances and submit the root to Bitcoin via OpenTimestamps. Operator-only background task. Bitcoin confirmation takes 1-6 hours. Free — no credits required.
Generate a Merkle inclusion proof that a patron's balance was included in a Bitcoin-notarized snapshot.
List recent Bitcoin notarization records.
Post a text tweet with markdown formatting converted to Unicode rich text. Accepts standard markdown inline formatting and converts it to Unicode Mathematical Alphanumeric Symbols that render as styl…
Fetch the connected X account's handle and name for this patron (free). Uses the patron's vaulted X OAuth token to call X's ``/users/me``. Returns ``{connected: true, username, name, profile_image_ur…
Publish a public Nostr note (kind 1) authored by your proven npub. eXcalibur cannot sign a note *as* you — a Nostr event must be signed by the key it claims to come from, and eXcalibur never holds yo…
Post a tweet with a hero banner image to X/Twitter. Provide either an image_url (fetched and attached) or banner_svg (rendered to PNG and attached). Text supports the same markdown formatting as post…
Store a new post (draft or scheduled). Returns its ``post_id``.
Read one stored post by id (owner-scoped).
List your stored posts, server-side sorted, filtered, and offset-paginated. Optional ``status`` filter — a single status or a comma-separated set (e.g. ``draft,scheduled``), matched as set membership…
Patch a stored post. ``patch`` may set ``doc, publish_at, recurrence, cease_at, status`` (omit a field to leave it unchanged). ``text_cache`` is written when supplied (alongside a doc change). ``clien…
Delete a stored post. Default is a soft delete (``status='archived'``); pass ``hard=True`` to remove the row permanently.
List your saved post snippets, server-side sorted, filtered, and offset-paginated. ``sort_col`` is one of ``favorite|created|updated|name`` (default ``favorite``); ``sort_dir`` is ``asc|desc``. ``sear…
Read one of your saved snippets by id (full row incl. ``doc`` block document). Free and owner-scoped. Returns ``{"success": true, "snippet": …}`` or ``snippet_not_found``.
Save a reusable post snippet (opening/footer/CTA). Omit ``snippet_id`` to create a new one; pass it to update an existing snippet in place (name/text/ favorite/doc). On update only the fields you pass…
Delete one of your saved snippets by id. Free and owner-scoped.
Read your saved writing Voice — a profile blurb plus a list of "banned construction" chips (``{text, on}``) the editor passes to ``refine_post_region``. Owner-scoped; priced by the operator's pricing …
Save your writing Voice (replaces the previous one — it is a per-npub singleton). ``profile`` is free text. ``bans`` is a list of ``{text, on}`` objects: ``text`` is the construction to avoid, ``on`` …
Refine a flagged region of a post with an LLM — server-side. The operator's LLM key stays in the vault and never leaves the server. Send the flagged ``region``, the surrounding ``full_text``, an opti…
Start resolving a dynamic post block with an LLM — returns a CLAIM CHECK. A dynamic block's ``prompt`` is run by the model (with web search + web fetch for live data) and woven into the surrounding p…
Redeem a ``resolve_dynamic_block`` claim check (free, proof-gated). Poll this with the ``claim_check`` from ``resolve_dynamic_block`` until ``status == "done"`` (the resolved fragment is ``result.tex…
Operator-only: one cadence-aware metrics harvest sweep. Drains due ``metrics_harvest_job`` rows (t+15m … t+28d), fetches X ``non_public_metrics`` / ``organic_metrics`` under each patron's OAuth conte…
Patron: raw metrics snapshot series for one owned post. Returns the append-only ``post_metrics_snapshot`` rows (impressions, likes, clicks, cadence_key, t_offset, link_placement, snippet_ids) ordered…
Patron: derived reach scores across your harvested post corpus. Computes escape velocity (t+15m vs rolling median), breakout ratio (final reach ÷ rolling-median final reach; suppressed below 5 posts)…
Patron: SVG infographic of post performance (gold-steel theme). Mirrors ``account_statement_infographic`` — a dark-themed SVG of corpus size, median t+15m impressions, top posts, and link-placement c…
Launch a publisher for every due post (operator-only). Selects ``scheduled`` posts whose ``publish_at`` has arrived, claims each atomically, and starts one background publisher per post. It does NOT …
Read recent scheduler-tick outcomes. Each ``process_scheduled_posts`` run — fired by the Cloudflare cron Worker or a manual trigger — records its summary. This surfaces them so the FE debug log can s…
What is the scheduled-post cron Worker waiting on? (operator-only). When the Worker's authorization lapses it DMs the operator a challenge phrase and parks. This returns that pending phrase so the op…
The scheduler's configuration and current status (free; any proven patron). Relays the cron Worker's public ``/status`` — cadence, version, renewal window, and current authorization phase (``pending`…
Ask the scheduler to run one tick now (free; any proven patron). Pokes the Worker's ``/tick`` — the same work the ~30-minute cron does: it claims a pending proof reply (completing the operator's auth…
Similar MCP servers embedding-nearest
How to use
Add to your Claude Desktop / Cursor / Cline MCP config:
{
"mcpServers": {
"io.github.lonniev/excalibur-mcp": {
"url": "https://excalibur-mcp.fastmcp.app/mcp",
"transport": "streamable-http"
}
}
}