Koskamo

Capital Signal MCP

An official MCP server providing structured, source-linked data from ASX company announcements since 2018. It enables agents to search filings, retrieve company profiles, track capital raises, director trades, M&A activity, and perform market-wide screens or event studies using tools like search_filings, company_events, and market_screen.

Visit Capital Signal

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

Capital Signal MCP logo, by Capital SignalVendor evidenceStreamable HTTPOAuth sign-inEndpoint checked 2026-11-02Operated by Capital Signal
You need:Sign in with your Capital Signal account when prompted; new accounts start with 200 free creditsCreate the key in Settings ; it is shown onceGet an API key: sign in at https://capitalsignal.io, open settings → New key
MCP endpoint (Streamable HTTP)
https://capitalsignal.io/api/mcp
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Passed Official MCP Registry namespace is tied to capitalsignal.io ·
  • Passed Endpoint is on the registry namespace domain ·
  • Uptime 100% over 90 days
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Search full-text across ASX announcement filings for specific wording or commentary
  • Retrieve structured company profiles including market cap, sector, and latest cash position
  • Track capital raise lifecycles and director trades for specific ASX companies
  • Perform market-wide screens for sectors, mining projects, or M&A activity

Source and maintenance

Vendor evidenceRegistry 1.1.0
mcp-registry: io.capitalsignal/capital-signal@1.1.0Project website

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

100% (20 of 20 checks answered)

  1. 2026-11-02: 3 of 3 checks answered
  2. 2026-11-03: 4 of 4 checks answered
  3. 2026-11-04: 4 of 4 checks answered
  4. 2026-11-05: 4 of 4 checks answered
  5. 2026-11-06: 4 of 4 checks answered
  6. 2026-11-07: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
351 ms
95th percentile latency
351 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 351 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http capital-signal-mcp-capitalsignal https://capitalsignal.io/api/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add capital-signal-mcp-capitalsignal --url https://capitalsignal.io/api/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable capital-signal-mcp-capitalsignal in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "capital-signal-mcp-capitalsignal": {
      "url": "https://capitalsignal.io/api/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "capital-signal-mcp-capitalsignal": {
      "type": "streamableHttp",
      "url": "https://capitalsignal.io/api/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start capital-signal-mcp-capitalsignal and inspect its tools.
VS Code configuration
{
  "servers": {
    "capital-signal-mcp-capitalsignal": {
      "type": "http",
      "url": "https://capitalsignal.io/api/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http capital-signal-mcp-capitalsignal https://capitalsignal.io/api/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://capitalsignal.io/api/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "capital-signal-mcp-capitalsignal": {
      "serverUrl": "https://capitalsignal.io/api/mcp"
    }
  }
}

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Do you run Capital Signal MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

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