Should my agent depend on the MCP server com.thousand-api/thousand-api?

Verdict: allow — rich-slow-solo — safe to depend on As of 2026-08-15T11:28:18Z: a dated observation with receipts, not a warranty.

Thousand API

com.thousand-api/thousand-api

Certainty for AI Agents. Deterministic MCP tools for dates, crypto, finance. 84 tools.

— the operator's own registry description reported

Publisher com.thousand-api · first seen 2026-08-12 · endpoint https://mcp.thousand-api.com/mcp

allow

verdict

rich-slow-solo

cluster

ok_tools

answers

tools served

Dependency rating derived

allow — rich-slow-solo — safe to depend on

Cluster rich-slow-solo · distinctiveness 0.821 (unusual). Every figure is a percentile or class within the 11,094-server census — see the whole spectrum.

Reach — can an agent get to it?

answersalive_tools

latency621 ms

vs populationslow

protocolcurrent

authopen

Use — can it use it?

tools84

vs populationhigh

capabilities3

harnessA

Trust — can it rely on it?

identitysolo

servers on its host1

verifiabilityunassessed

duplicate inventoryno

drift events0

answers true0/0 agree

🔏 Signed receipt rr_d49a54e2dbf67f517ca1f600 · ed25519 · key rs-rcpt-2026-08 — this rating is tamper-evident; an agent gets the full signature from check_server and can verify it against the published key.

Tools last seen

convert.base64 convert.color convert.csv convert.data_size convert.format convert.format_number convert.get_qrcode convert.markdown convert.toml convert.transform_image convert.unit convert.url_encoding convert.xml convert.yaml data.calc_stats data.diff_arrays data.execute_batch data.merge_json data.query_json data.sort_json data.validate_all data.validate_format data.validate_json data.validate_schema datetime.add_business_days datetime.add_calendar_days datetime.calc_datetime_diff datetime.calc_schedule datetime.check_business_hours datetime.check_custom_holidays datetime.convert_iso_duration datetime.convert_japanese_era datetime.format_relative_time datetime.generate_test_dates datetime.get_calendar_month datetime.get_cron_next datetime.get_current_datetime datetime.get_holidays datetime.is_holiday datetime.parse_laravel_schedule network.calc_cidr network.check_domain_format network.check_ip_in_range network.dns_lookup network.get_exchange_rate network.get_ip_info network.get_page_meta network.http_fetch network.inspect_url network.lookup_postal_code network.resolve_url security.decode_jwt security.generate_hash security.generate_hmac security.generate_totp security.generate_uuid security.validate_barcode security.validate_luhn security.validate_uuid text.calc_text_similarity text.convert_japanese text.convert_string_case text.diff_markdown_tables text.diff_text text.estimate_tokens text.extract_text_from_html text.generate_random_string text.generate_slug text.get_text_stats text.mask_pii text.split_text utility.calc_color_contrast utility.calc_expression utility.calc_loan utility.calc_pagination utility.calc_tax utility.compare_versions utility.convert_coordinates utility.diagnose_mcp utility.generate_color_palette utility.get_distance utility.get_tool_schema utility.get_usage utility.search_tools

Harness readiness observed

Can an agent's harness pick this tool and call it correctly? Graded on the three things an agent reads — name, description, typed parameters. Band A — an agent can pick and call these reliably.

legibility check	tools passing	ok
name is clear & specific	84/84	✓
has a description	84/84	✓
description is substantive	84/84	✓
parameters are typed	80/84	80/84
parameters are described	84/84	✓

84 of 84 tools graded · 84 with a captured input schema. RS-008, Tier-1 — no domain knowledge, applies to any tool. “Alive” is not the same as “usable”.

Truth checks observed

0/0 answers agree with the published primary source · 1 unverifiable.

claim class	key	verdict	primary source
fx-rates	EURUSD	unverifiable	ecb-fx

Protocol conformance observed

2025-06-18

protocol version

—

session model

1.0.0

server version thousand-api

Capabilities: prompts resources tools

Drift

No confirmed drift on record. Baseline set 2026-08-14; changes appear here after human review.

History observed

Every probe we made, oldest → newest (2 shown, 2026-08-12 → 2026-08-14). Green answered · amber answered-but-walled · red no useful answer. A gap in our cadence is a gap in coverage, not evidence about the server.

changelog (1 events)

date	type	what changed
2026-08-12	outcome	first probe: ok_tools

raw probe records

probed (UTC)	outcome	http	ms	protocol
2026-08-14T19:58:35Z	ok_tools	200	621	2025-06-18
2026-08-12T05:33:49Z	ok_tools	200	627	2025-06-18

Watch or embed this verdict

Operators: put the live verdict in your README — it updates with every census, links back here, and is a dated observation, never a warranty:

[![Robin Saige verdict](https://robinsaige.com/badge/com.thousand-api/thousand-api.svg)](https://robinsaige.com/s/com.thousand-api/thousand-api)

Depend on it? Subscribe to its change feed — outcome changes and confirmed drift, no account needed. Building on it? The full dossier as JSON — verdict, rating, truth checks, history — stable enough to gate CI on.

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