In-depth architectural comparison of the Exogram Authority Runtime and Oxford Ledge MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Exogram Authority Runtime
Developer Tools · Local stdio
Quality: 44/100 (Fair) | Auth: No auth required
Oxford Ledge
Developer Tools · Local stdio
Quality: 52/100 (Good) | Auth: No auth required
Verdict Summary: Choose Exogram Authority Runtime if you need specialized Developer Tools tools running via a local process. Choose Oxford Ledge if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Exogram Authority Runtime when:
You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
No explicit tool names declared in metadata yet. Check project README on main listing page.
Oxford Ledge Tools (29)
get_fundamentals
Up to 10 years of XBRL financials from SEC EDGAR companyfacts (`LongTermDebt`, not total debt; per-period `concepts`; NCI-aware equity rung; Oxford Ledge split-basis check on EPS / diluted shares incl. steps across tagging holes; `coverage[].contiguous`)
get_sec_filings
The 10 newest EDGAR submissions of any form (`filing_type` narrows), with `form`, date, link and a window disclosure
get_capital_allocation
Capital-allocation scorecard from SEC XBRL — up to 30 fiscal-year labels with `periods` and a split-basis `basis` block, a 10-year summary window; dividends, net buybacks (issuance, IPO proceeds and SBC netted), net debt change, acquisitions, shares outstanding (hosted tool, name-proxied; the net s…
get_debt_maturities
Forward maturity ladder from 10-K/20-F footnotes, in millions of USD, with parser confidence + balance-sheet validation (hosted tool, name-proxied; EDGAR only)
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Exogram Authority Runtime is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Oxford Ledge belongs to Developer Tools using local stdio subprocess. Select Exogram Authority Runtime when you need capabilities focused on developer tools and Oxford Ledge when you require tools for developer tools.
One filer's latest 13F-HR positions + quarter-over-quarter changes (CUSIPs stripped; `ticker` is an Oxford Ledge CUSIP crosswalk, `title_of_class` the authoritative share class; PUT/CALL/PRN rows labelled; `fund` takes a CIK or a ticker incl. class-share forms like BRK-B)
get_holders
Top 10 institutional shareholders (13F-HR common-stock positions, each filer's latest filing; scoped `note` when empty)
get_insider_trades
Form 4 transactions for one issuer — latest 20, every code, derivative rows labelled, a company filing under its own SEC ID labelled `issuerSelfFiled` (leave those out of totals), `dateBasis` names the served date
ol_insider_recent_buys
Market-wide OPEN-MARKET insider purchases across the Oxford Ledge issuer catalog, newest first — a daily insider screen (Form 4; `totalValue`/`position` are Oxford Ledge derivations; issuer-self-filed purchases excluded)
get_activist_stakes
Schedule 13D/13G >5% beneficial-owner filings for a ticker (stored rows with `stale`/`age_seconds`; only a keyed caller refreshes from EDGAR)
get_fails_to_deliver
SEC fails-to-deliver settlement history for a ticker (biweekly CNS files)
get_corporate_events
The 20 most recent 8-K item events (material agreements, M&A, executive changes, earnings releases, ...; `eventType` is Oxford Ledge's item map; CUSIPs/ratings stripped)
ol_form_d_raises
Form D private-placement filings from the SEC's QUARTERLY data set (~1-quarter posting lag), optionally by industry / trailing window