Uptime (30d)%100.0

Latency (p50)222 msfaster than 71% of servers

Protocol eraunknown

Tools—

SEC EDGAR

https://sec-edgar-mcp.atlasword.workers.dev/mcp ↗

SEC EDGAR is a remote MCP server published at sec-edgar-mcp.atlasword.workers.dev. It has been probed 33 times since 9/4/2026. It answered in 33 of them (100.0%), a near-uninterrupted record. Median response time is 222 ms, placing it among the faster endpoints. Its tool list could not be read; the server is closed to direct calls.

Search SEC filings, read 10-K/8-K, query XBRL facts, track Form 4 insider trades.

UnknownSpec: unknownVersion: —First probe: 2026-09-04 15:47:51Last probe: 2026-09-07 02:57:58

Agent readability score

Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.

Agent readability score

SEC EDGAR tools are well-structured but have minor parameter ambiguity.based on measured tool list

Strengths

Clear tool naming with distinct purposes
Descriptions specify use cases and constraints
No tool overlap or conflict

Weaknesses

Parameter examples in 'edgar_get_facts' are ambiguous
Truncation limit in 'edgar_read_filing' could be clearer

edgar_get_facts — Ambiguous parameter examples (common-name vs XBRL concepts)
edgar_read_filing — Truncation limit not explicitly documented

Verdict

Tools are intuitive and well-documented for SEC filing tasks. Minor improvements could clarify parameter handling and error constraints.

9/7/2026, 12:50:29 AM

Event narrative

Raw observations

Run	Era	Modern	ms	Legacy	ms	Versions
2026-09-07 02:57:58	Unknown	500	127	500	129	—
2026-09-07 00:27:42	Legacy	200	197	200	198	2025-06-18
2026-09-06 22:36:06	Unknown	500	147	500	148	—
2026-09-06 20:44:13	Unknown	500	215	500	211	—
2026-09-06 18:49:47	Unknown	500	226	500	226	—
2026-09-06 16:56:18	Unknown	500	265	500	283	—
2026-09-06 15:42:25	Unknown	500	284	500	329	—
2026-09-06 13:49:02	Unknown	500	347	500	415	—
2026-09-06 11:55:12	Unknown	500	230	500	228	—
2026-09-06 10:02:05	Unknown	500	224	500	222	—

Supported versions

—

as declared by server/discover + initialize

Capabilities

—

not readable

Schema score

—

not measurable

Era history

Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.

Era distribution

Unknown94%Legacy6%

Unknown07.09 02:57

04.09 15:47Measurements: 3307.09 02:57

LegacyUnknown

Response time history

The two probe legs separately: modern server/discover and legacy initialize.

server/discoverinitialize

Event log

Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.

54 minutes agoSupported versions: 2025-06-18 → —
54 minutes agoEra changed: Legacy → Unknown
3 hours agoServer build: — → 0.3.1
3 hours agoSupported versions: — → 2025-06-18
3 hours agoEra changed: Unknown → Legacy
2 days agoSupported versions: 2025-06-18 → —
2 days agoEra changed: Legacy → Unknown
2 days agoServer build: — → 0.3.1
2 days agoSupported versions: — → 2025-06-18
2 days agoEra changed: Unknown → Legacy

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Markdown

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Raw observations

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