Signal Lab: free data for trading and AI agents

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs in the cloud
• Transport: Streamable HTTP
• Category: Search & AI memory

Install

Pick the AI app you use, then copy the settings.

You need

• Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

https://signal-lab-jet.vercel.app/api/mcp

claude mcp add --transport http signal-lab https://signal-lab-jet.vercel.app/api/mcp

{
  "mcpServers": {
    "signal-lab": {
      "url": "https://signal-lab-jet.vercel.app/api/mcp"
    }
  }
}

{
  "servers": {
    "signal-lab": {
      "type": "http",
      "url": "https://signal-lab-jet.vercel.app/api/mcp"
    }
  }
}

https://signal-lab-jet.vercel.app/api/mcp

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

• search_catalog

  Find free and free-to-start data sources (financial markets, global macro, energy, agriculture and food, money flows, transport and shipping, research and grey literature, weather, news & RSS, OSINT, cyber threat), tools and models in the Signal Lab catalog by text and by filters

• get_entry

  Return one catalog entry by slug, with every field the catalog has for it (limits, coverage, auth, license, licenseNote, source URLs, lastVerified). Get slugs from search_catalog.

• compare_entries

  Place the catalog's fields for up to 5 entries side by side. Values are the catalog's own; a field the catalog does not have shows Not in catalog.

• list_filters

  List the values the catalog uses for type, badge, auth, category, domain, license, task, verified and lastVerified, with how many entries have each. Call this first to pick exact filter values.

• catalog_info

  Return the catalog's notice, schemaVersion, generated time, entry count and the download URLs of the full catalog as JSON and CSV.

• export_catalog

  Export the Signal Lab catalog as JSON or CSV: every entry, or only those matching the same filters as search_catalog (no result cap). Optional fields picks columns by catalog field name. CSV has a header row, joins lists with "; " and repeats the catalog notice in the last column

• get_source_urls

  Return where each entry's data comes from: the provider's site, docs and evidence pages, the license or terms URL with the license note, and the lastVerified date, plus the Signal Lab page. Pass up to 25 slugs, or the same filters as search_catalog (all entries if none). A URL th

• get_ingestion_skill

  Return the agent-ready ingestion skill for one data source as markdown: how to get access, the exact request or download, the response format, a Python snippet that loads it into pandas and writes Parquet (or keeps it in memory where the provider's terms limit storage or leave it

• suggest_source

  Send us a free or open data source we do not list yet. It goes into a private queue and is checked like every listing (free access, terms, policy); nothing is published automatically and the URL is not visited by this server. Give the provider's own https page (no shorteners, IP

• feedback

  Tell us what to fix or add: a missing source (new_source), a wrong fact (wrong_fact), a broken link (broken_link), a feature idea (feature_idea) or a site upgrade (site_upgrade). It goes into a private review queue; nothing is published automatically, and reviewed ideas are answe

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026

• ! Caution

  Maker matches the repo

  The publisher (QDThead) is not the repo owner (QDThead); someone else may have listed it

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 534 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 10 tool descriptions and found no hidden instructions to the AI

Compared with others in Search & AI memoryi

• More stars than 0% of the other 5696 servers in this category
• Published to the registry more recently than 82% of the other 5696 servers in this category
• Basic checks equal to or better than 39% of the other 5696 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

No README found in the repo