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EDITORIAL · FRAMEWORK DOCUMENTATION · Agent frameworks

LangChain

LangChain documents a framework for composing models, tools and agent behaviour. It is a software framework, not a universal hosted API endpoint.

Official documentation ↗

Documentation reviewed 2026-10-28. No provider operation tested.

All editorial references and Datoka examples →

This count is registry listings, not unique companies or services tested by Datoka. One provider may have several integrations or endpoints.

72 indexed listings for “LangChain” · Reset filters
Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

Auth Token MCP Traced Service: composes bcrypt + langchain + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol, ob…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

Authenticated MCP Traced Agent: composes bcrypt + cryptography + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestratio…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

LLM Orchestration Traced Agent: composes cryptography + langchain-core + mcp + opentelemetry-api + opentelemetry-sdk + python-jose — crypto, o…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · automation
Protocols: A2A
Pricing: Price not supplied by publisher

Traced Multi-LLM Proxy: composes anthropic + cryptography + langchain-openai + mcp + opentelemetry-api + opentelemetry-sdk — llm-client, crypt…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: automation · productivity
Protocols: A2A
Pricing: Price not supplied by publisher

Structured Output MCP Agent (Instructor): composes instructor + langchain-core + mcp + openai + opentelemetry-sdk — structured-output, orchest…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · automation
Protocols: A2A
Pricing: Price not supplied by publisher

LLM Orchestration Agent (Opentelemetry Api): composes cryptography + langchain-openai + mcp + openai + opentelemetry-api + opentelemetry-sdk —…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: automation · productivity
Protocols: A2A
Pricing: Price not supplied by publisher

Structured Output MCP Traced Agent: composes instructor + langchain-core + mcp + openai + opentelemetry-api + opentelemetry-sdk — structured-o…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

Encrypted OAuth LLM Agent: composes cryptography + google-auth-oauthlib + langchain + mcp + openai + opentelemetry-exporter-otlp + opentelemet…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · automation
Protocols: A2A
Pricing: Price not supplied by publisher

Authenticated LLM Traced Agent: composes cryptography + google-auth-oauthlib + langchain-openai + mcp + openai + opentelemetry-api + opentelem…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

LLM Orchestration Agent (Opentelemetry Instrumentation Fastapi): composes cryptography + langchain-core + mcp + opentelemetry-instrumentation-…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

Structured Output MCP Agent (Authlib): composes authlib + cryptography + instructor + langchain-core + mcp + openai + opentelemetry-api — oaut…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Use case: finance · development
Protocols: A2A
Pricing: Price not supplied by publisher

Structured Output MCP Agent (Cryptography): composes authlib + cryptography + instructor + langchain-core + mcp + openai + opentelemetry-sdk —…

Listing info 50/100

Metadata needs editorial review. This listing is separate from the editorial selection; no service failure is inferred.

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Indexed listings, not certifications. Completeness is not proof of working service. Prices and protocols are publisher declarations. How the index works