Bloomsbury

Bloomsbury AI was a London-based natural-language-processing startup, backed by Seedcamp, that built Cape — an API making it easy to build software that answers questions about the contents of documents (machine reading / document question answering). Bloomsbury AI was acquired by Facebook in 2018; the hosted Cape API is terminated and bloomsbury.ai now serves only a farewell page. The team open sourced the Cape stack (web services, document QA, machine reader, and clients) under the bloomsburyai GitHub organization, which remains publicly available as archival source. This API Evangelist profile preserves that identity and the open-source footprint.

Bloomsbury is profiled on the APIs.io network. Tagged areas include Company, Artificial Intelligence, Machine Learning, Natural Language Processing, and Question Answering.

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5.1/100 minimal ▬ flat Agent 0/100 human only Front door AI 3/6 light Heartbeat 0/100 dormant self hosted · Apache-2.0 Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

0 APIs

Company Artificial Intelligence Machine Learning Natural Language Processing Question AnsweringMachine ReadingDocument Processing Open Source Acquired

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 5.1/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 1.2 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.3 / 11

Contract Governance 0.0 / 10

Discoverability 4.1 / 9

Regulatory Posture 0.8 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes

13 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points
Access Clarity scores 0.0 — up to +20.0 composite points
Developer Ergonomics scores 7.1 — up to +18.6 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/bloomsbury/apis.yml: open an issue on github.com/api-evangelist/bloomsbury to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
RPA and Document AI (RPA marketplaces, intelligent document processing)	undeclared	-	-	-

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Bloomsbury Domain Security

TLSv1.3 · HSTS

SECURITY

Resources

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

Build 4

SDKs, sample code, and the tooling you integrate with

Packages

Packages

SDKs

SDKs

GitHubOrganization

GitHubOrganization

SourceCode

SourceCode

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

IssueTracker

IssueTracker

Commercial 1

Pricing, plans, and the legal terms of use

License

License

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

ParentCompany

ParentCompany

Source (apis.yml)

aid: bloomsbury
name: Bloomsbury
description: Bloomsbury AI was a London-based natural-language-processing startup, backed by Seedcamp, that built Cape — an
  API making it easy to build software that answers questions about the contents of documents (machine reading / document
  question answering). Bloomsbury AI was acquired by Facebook in 2018; the hosted Cape API is terminated and bloomsbury.ai
  now serves only a farewell page. The team open sourced the Cape stack (web services, document QA, machine reader, and clients)
  under the bloomsburyai GitHub organization, which remains publicly available as archival source. This API Evangelist profile
  preserves that identity and the open-source footprint.
url: https://raw.githubusercontent.com/api-evangelist/bloomsbury/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- seedcamp
x-tier: stub
x-tier-reason: portfolio-lead
deliveryModel:
  model: self-hosted
  license: Apache-2.0
  open_source: true
  commercial: false
  callable_host: false
  label: Self-hosted open source · you run it yourself
  confidence: high
  source:
  - license
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - security
  generated: '2026-11-06'
  method: derived
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-18'
image: https://avatars.githubusercontent.com/u/35221555
tags:
- Company
- Artificial Intelligence
- Machine Learning
- Natural Language Processing
- Question Answering
- Machine Reading
- Document Processing
- Open Source
- Acquired
tags_raw:
- Company
- Artificial Intelligence
- Machine Learning
- Natural Language Processing
- Question Answering
- Machine Reading
- Document Processing
- Open Source
- Acquired
- Machine-Learning
- Open-Source
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: ParentCompany
  url: https://apis.io/providers/facebook/
  name: Facebook
  x-relationship: acquired
  x-evidence: Bloomsbury AI was acquired by Facebook in 2018; the hosted Cape API is terminated and bloomsbury.
- type: IssueTracker
  url: https://github.com/bloomsburyai/cape-webservices/issues
- type: License
  name: Apache-2.0
  url: https://github.com/bloomsburyai/cape-webservices/blob/master/LICENSE
- type: DomainSecurity
  url: security/bloomsbury-domain-security.yml
- type: WellKnown
  url: well-known/bloomsbury-well-known.yml
- type: Packages
  url: packages/bloomsbury-packages.yml
- type: SDKs
  url: packages/bloomsbury-packages.yml
- type: GitHubOrganization
  url: https://github.com/bloomsburyai
- type: SourceCode
  name: Cape (open source)
  url: https://github.com/bloomsburyai/cape-webservices
- type: Website
  url: http://bloomsbury.ai
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
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apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
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