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Signal Bureau MCP Server

by evolutionlabs-dev Your server? Claim it
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Signal Bureau is answering right now. Last checked 5 min ago. It exposes 21 tools.

SigB (Signal Bureau): maintained, source-traced record of entities and world events. Free, no key.

The linked repository no longer exists on GitHub — it was deleted or made private.

Uptime history 16 days of history
16 days agonow
100.0%
Uptime 24h
91 of 91 checks
21
Tools
read from the server
793 ms
Response time
average over 24h
open, no key
Access
streamable-http

This one has been quiet for a while

Quiet is not dead — but it is worth knowing when it wakes up, or when someone else takes it over. We watch the repository and tell you either way.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

run in your terminal
claude mcp add signal-bureau --transport http https://api.signalbureau.ai/api/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "signal-bureau": {
      "url": "https://api.signalbureau.ai/api/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.signal-bureau]
url = "https://api.signalbureau.ai/api/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "signal-bureau": {
      "url": "https://api.signalbureau.ai/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "signal-bureau": {
      "url": "https://api.signalbureau.ai/api/mcp"
    }
  }
}

Available tools 21

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

order
create_order
Assemble a basket and get exact prices plus Stripe checkout links. Checkout runs on Stripe's hosted page, completed by whoever holds the payment credentials. Pass dryRun:true to REHEARSE: same validation, same price math, clearly labeled, no order recorded, no links issued, nothing billed — integration-test the full flow risk-free. Item ids — plans: 'analyst', 'power', 'pilot', 'desk-private', and 'api' (the Metered API account: your identified key — self-issue one FREE at POST /api/keys, no human in the loop — with billing activated by the desk on this order, usage billed monthly at tariff rates, nothing preset — get_quote prices your exact basket first, get_account shows the live statement); unit: 'watch' (reads of the watched question included). Reads are metered per use at the flat tariff rate, never sold as prepaid packs. Live prices come from /api/tariff; this description states none. Watch topics are SELF-SERVE end to end: pass `topics` and every one comes back with a checkout link at the published Watch rate — including a topic nobody watches yet, whose price the desk mints on demand with no human in the loop (that one needs your identified key, free and self-issued in one call at POST /api/keys, and arrives in minutes; poll get_order or the statusUrl on the line). The api line still records intent and the desk activates the account. Every line states its own state and what to do next.
get_order
Re-read an order intent created by create_order — the recorded basket and its honest status. Payment truth for checkout purchases lives with Stripe (the payer's receipt is authoritative); metered work is receipted on your meter account and readable via get_account.
account
get_account
Your meter-account statement, live: month-to-date metered Reads counted at the published tariff, your watched topics with billing/billing status and their acceptance evidence, and your daily cap. Requires your identified key on the request (x-api-key header, or authorization: Bearer sb_live_...). Without a key this tool explains how to get one — every read surface stays available in the free anonymous lanes either way. Recognition is opt-in via credential: no key, no tracking.
answer
get_answer
Collect an async answer by ticketId (from ask). Free and unmetered — the work was paid for once at submit. status:'working' → poll again after pollAfter seconds; 'done' → the complete answer rides in this response; 'failed' or 'lost' → the reason, stated plainly, and asking again is the remedy.
ask
ask
Ask about FUTURE or unfolding events (geopolitics, markets, tech, health — will X happen, and what the tracked record shows). NOT for historical facts or general knowledge — grounding is live tracked coverage, and each call does real model work and rides your identified key: self-issue one FREE in a single call (POST /api/keys with {"label":"your agent name"} — instant, no human, no card; the response's `key` field, shown once, rides back as an x-api-key header) and it carries its own 25/day meter, never shared with your cloud or platform neighbors (universal keying, 2026-08-08; an unkeyed call returns the same one-step instruction, never a dead end). ASYNC BY DEFAULT: returns a claim ticket in ~1s ({status:'working', ticketId}); collect the finished answer with get_answer (typically ready in 30-120s, free to collect — the question was metered once at submit). Keep working while the desk works. If the ticket store is briefly unavailable the full answer comes back synchronously instead — handle both shapes. SHARED STATE: the same question asked again while the record's answer is recent returns the SAME stored answer immediately (servedFrom:'maintained-record', same permalink id) — that consistency is the product behaving as documented; pass fresh:true to force a new synthesis. VERIFICATION VERDICT (sourceChecked): true means every load-bearing claim was located in article-level coverage, at least one cited source is independent of Signal Bureau, AND no claim asserts a stronger operational state than the cited evidence supports (risk, disruption, incident and halt are graded, not interchangeable); a hard claim whose only support is a headline, or one stronger than its evidence, is listed in the caution list and caps the verdict and confidence — pass/fail is always disclosed, with what would change the read. For browsing what is moving, prefer get_signals/top_accelerating (cheap, 500/day). Informational only — not advice.
calibration
get_calibration
Deprecated: this tool is winding down — for evaluating or reading the maintained record, use get_truth_object, get_entity/search_entities, and todays_brief instead. Still served here: the grading dataset for the market sensor we cite, and only that — the prediction-market price (`crowd`) and the naive null it is scored against (`base_rate`), against how reality resolved (Brier score, log loss, skill vs base rate, 95% CIs), each price captured while its market was OPEN and graded as it matured, so the grade cannot be back-filled. No forecaster of ours is published, here or in the full dataset: we sell a maintained, source-traced record and cite market prices as one graded sensor, not a forecast of ours. Full dataset with reliability bins: GET /api/calibration-data.
desk
get_desk_feed
A newsletter DESK's machine feed at one predictable, slug-addressable location: up to 14 days of the desk's observed items (title, url, source), newest-first, from the same panel the human edition reads. Unlike watch topics, the desk roster is PUBLIC PRODUCT — the desks are: cognitive-investor, tax-nexus, crc-kras, crc-digest, space-economy, paradise-valley, lyt-intel, aztc-aasd, newspace-asu, lq-listening, jedi-knowledge, ud-articles, ecomm-news — so an unknown-desk reply lists them freely. Delivery is keyed (your self-issued key, x-api-key): identified delivery is the standard shape for standing feeds. Desks are priced as labeled topic bundles at the published Watch rate — see DESK_BUNDLES on /api/tariff and get_quote for your exact basket. Each feed's payload declares its own coverage state.
entities
search_entities
Find tracked entities/topics by name or vertical (e.g. 'iran', 'semiconductors').
entity
get_entity
Full dossier for one entity: signal count, verticals it's spreading across, and why it's surfacing.
events
get_events
Tracked world events (situations, races, negotiations) the engine follows as named arcs — each with its entities, related market-question count, cross-domain mention volume, and first/last-seen dates. Optional query filters by name or entity.
feedback
get_feedback_status
The state of a report you filed via send_feedback, by its feedbackId: filed, working, or resolved — with its work-order reference. A report filed in the last few hours may still read 'filed'; the response states where it is.
orient
orient
START HERE on first contact — the front door. Who Signal Bureau is, what's free (most things), what's paid (work: Watches and Reads), the live tariff with real prices, how to propose new coverage, and how buying works. No side effects, costs nothing.
propose
propose_topic
Propose NET-NEW coverage — a topic, entity, or standing question we don't track yet. Files into the coverage-request queue humans review; accepted topics enter the provisional coverage lane and start appearing in the signal feed. Needs your human principal's contact email for follow-up. Free.
quote
get_quote
Feed in your requirements — free-form concerns, questions, whole areas of interest — and get back an enumerated quote: your requirements intelligently grouped and disambiguated into well-formed watched topics, each priced flat from the published tariff ($20/topic/month at the opening rate). The count is disclosed in BOTH directions: overlaps are merged, broad requirements are split into the separate daily reports they actually need, and `billing.expansion` states the requirement-to-topic ratio outright so a split is as visible as a merge. Large baskets are resolved in batches, so a requirement the desk cannot place does not sink the rest: you get a quote for everything it could place, `partial: true`, and `unresolvedRequirements` naming what it could not and why — never a topic invented to cover a gap. A quote is not a charge, needs no contact details, and holds for 30 days. Real model work: ~10 quotes/day per network address (shared egress shares the allowance).
record
get_record
Deprecated: this tool is winding down — for evaluating or reading the maintained record, use get_truth_object, get_entity/search_entities, and todays_brief instead. Still served here: the correction record — the flagged-vs-control repricing regression at population level (estimate, 95% CI, cohort sizes, window, as-of), plus the dated retirement object for the case-study track record we withdrew in 2026 when re-measurement put it under our own publication bar. Appended, never edited — including about ourselves. Same object: GET /api/record-data.
send
send_feedback
File structured feedback with the desk: a bug, an improvement, a complaint, praise, or a question about the service itself. Free, no contact details required; limits stated up front: 5/minute, 20/day per network address (shared egress shares the allowance). A complaint that names a real defect becomes our work order — house policy — and get_feedback_status lets you watch the state move by feedbackId. Include `ref` (a quoteId/ticketId/orderId from your own records) to tie the report to a specific interaction. The response says honestly whether the report was durably recorded.
signals
get_signals
START HERE for browsing — the cheap read (500/day, no model work). The full machine-readable signal feed (same payload as GET /api/signals): every entity currently flagged by the attention engine, with trajectory, domains, desk membership, and an explicit evidenceStatus (receipted rows carry source-attributed evidence URLs; unreceipted rows are labeled leads). Measured property: Measured association: flagged markets repriced materially at 1.64x the rate of matched unflagged controls (95% CI 1.43-1.84, shock-days excluded, controls reweighted to the flagged cohort; n=1834 flagged vs 78647 controls, window 2026-03-29 to 2026-08-30, as of 2026-08-31). An attention-leads-movement association — never a directional claim.
todays
todays_brief
Today's morning brief — the daily synthesized narrative of what moved across the information environment and what to watch, from the engine's cross-domain analysis. Same content as the public /today page.
top
top_accelerating
The entities/topics accelerating most across the information environment right now, ranked by cross-domain attention.
truth
get_truth_object
The complete public truth object for a topic — the SAME record the /exhibit page renders, with every layer kept apart and labeled: primary operational sources (verified-as-of dates stated), attributed reporting, our coverage metric, market expectation with the maintained event arc, our derived judgment, the reporting-consensus ledger, and the state-change history. A layer not yet wired for a subject states its pending status on the layer itself — never rendered to look finished. Free — public exhibit data, no key, no charge. Published: hormuz, interest-rates, ai-model-race, israel-iran-conflict, russia-ukraine-war, strait-of-hormuz, brazil-election, gaza-ceasefire, us-presidential-2028, us-midterms-2026, us-government-shutdown, venezuela-crisis, fed-rate-decision, uk-election, us-recession-2026, disaster-event-earthquake, product-launch-spacex, product-launch-louisiana-spacex, product-launch-nasa-spacex, product-launch-spacex-starlink, regulatory-action-meta, funding-round-perplexity, legal-ruling-supreme-court, funding-round-ai-nvidia, legal-ruling-italy-supreme-court, merger-acquisition-spacex, disaster-event-hurricane, product-launch-anthropic, ceasefire-peace-iran, product-launch-anthropic-claude-opus, disaster-event-atlantic-hurricane, military-action-china-taiwan, economic-indicator-inflation, economic-indicator-unemployment, funding-round-spacex, product-launch-apple, resignation-google, bitcoin-price-level, election-germany, election-france, rate-decision-interest-rates, economic-indicator-gdp, election-republican, election-swedish, funding-round-stripe, economic-indicator-china-gdp, product-launch-xai, election-wisconsin, election-scott, economic-indicator-argentina-inflation, election-israel, rate-decision-australia-interest-rates (default: hormuz). Same payload as GET /api/truth/{topic}; the hormuz record is also addressable as the sb://exhibit/hormuz resource. Complementary to get_entity, which returns the broader live entity dossier.
watch
get_watch_feed
The structured daily delivery for a machine-watched topic: up to 14 days of observed items (title, url, source, date) newest-first, plus the topic's live coverage-acceptance report, which grades the coverage and shows the evidence (it does not gate billing — billing starts when the Watch starts, and the month you are in is refundable in full, any time you ask, for any reason). Delivery is pull: poll daily or on demand. Topics not yet watched: get_quote prices them.

Endpoints

URLTransportStateLatencyChecked
https://api.signalbureau.ai/api/mcp streamable-http answering 699 ms 5 min ago

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Signal Bureau — questions

Answers built from our own checks of this server.

What can Signal Bureau do?
It exposes 21 tools, read directly from the server on our last check. Among them: ask, create_order, get_account, get_answer, get_calibration, get_desk_feed and 15 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Signal Bureau working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 793 ms. The bar chart above shows every period we have measured.
Is Signal Bureau still maintained?
The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.
How do I connect Signal Bureau?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Signal Bureau need an API key?
No. Signal Bureau completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 21 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Signal Bureau?
It answers our handshake in 793 ms on average, which is faster than 18% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.