Agentic Index
Causa Prima vs Circuit & Chisel (2026)
Causa Prima last verified ·Circuit & Chisel last verified
Two takes on agents that pay and get paid without a person in the loop. That verdict is the Agentic Index coverage score, graded from each vendor's own published materials.
Causa Prima is an agent to agent network for B2B finance where buyer and supplier agents settle invoices, disputes and payment terms directly in real time, aiming to retire fixed net payment terms entirely. Circuit and Chisel's ATXP gives each agent its own funded account, with a wallet, an email address, an OpenAI compatible model gateway and pay per call tools, and lets developers charge agents per call from their own MCP servers. Causa Prima solves a specific expensive problem in accounts payable. ATXP is a general account and payment layer agents can sign up for today.
On the Agentic Index agent infrastructure ranking, neither Causa Prima nor Circuit & Chisel clears the bar, which asks for all five production contract capabilities documented in full. Causa Prima documents none of the five in full; Circuit & Chisel documents one of the five in full. 33 of the 186 vendors in the lane clear it. See the agent infrastructure ranking
This comparison is published by Agentic Index, an independent agentic AI vendor research platform. Causa Prima and Circuit & Chisel are each graded against the same 14 capability Agentic Index taxonomy, from the vendor's own public materials under the Agentic Index verification standard, alongside 1,084 researched vendors. No vendor pays for placement and no vendor has reviewed this page. How this evidence is graded
Choose Causa Prima if
- The use case is concrete and expensive today.
- Net payment terms and dispute cycles are a real cost you can quantify.
- You want a network with counterparties rather than a general purpose account and payment layer.
Choose Circuit & Chisel if
- General purpose micropayments beyond B2B invoicing is the scope you care about.
- Agents that sign up for their own funded accounts today, without waiting for a network to fill, are what you need.
- Agents paying for inference through one OpenAI compatible gateway, from the same account that pays for tools, fits your stack.
| Feature | C Causa Prima |
C Circuit & Chisel |
|---|---|---|
| Action & orchestration | ||
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Integrations & Tool Calling Ability to connect agents to real systems through native integrations, OAuth-authenticated actions, custom tools, APIs, webhooks, or MCP-compatible tools. |
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Causa PrimaIntegrations & Tool Calling Buyer and supplier both join a shared network, and the product runs behind app.causaprima.ai. Causa Prima describes no integration into the customer's own systems. Scribo covers invoice generation and email delivery, with no connections to ledgers or ERPs. SourceCausa Prima, causaprima.ai and github.com/causa-prima-ai/scribo-api-docsread 2026-09-06 |
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Circuit & ChiselIntegrations & Tool Calling A catalog of pay per call MCP servers gives an agent web search, crawl, X live search, a filestore, image, music and video generation, sandboxed code execution, contact lookup, x402 payments and email it sends and receives from its own address. The ATXP client can call any ATXP enabled MCP server, and developers can put their own MCP servers behind per call payment. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (Tools, Email, Monetize MCP Tools, @atxp/client)read 2026-09-25 |
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Workflow Orchestration Ability to sequence, branch, retry, route, and combine deterministic workflow nodes with autonomous agent steps. |
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Causa PrimaWorkflow Orchestration On a two sided network, a buyer agent negotiates across hundreds of invoices while a supplier agent reconciles purchase orders. The agents handle invoicing, disputes and early payment discounts between the two companies in real time, and settle on terms without a person chasing either side. SourceCausa Prima, causaprima.airead 2026-09-06 |
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Circuit & ChiselWorkflow Orchestration ATXP gives an agent an account, a wallet, a model gateway and paid tools. The agent's own framework, such as Vercel AI, Cloudflare Agents, LangChain, CrewAI or the OpenAI Agents SDK, decides the steps. ATXP manages the payment lifecycle and names no workflow model of its own. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (Build Agents, SDK overview)read 2026-09-25 |
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Triggers & Channel Coverage How agents wake up and where they work: schedules, webhooks, message events, CRM events, inbox events, chat, email, voice, and collaboration tools. |
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Causa PrimaTriggers & Channel Coverage An invoice arriving on the network starts the work, and the agents pick it up in real time. A recommendation is surfaced against an offer closing date, and money moves on the right terms at the right time on its own, by Causa Prima's account. SourceCausa Prima, causaprima.airead 2026-09-06 |
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Circuit & ChiselTriggers & Channel Coverage Work reaches ATXP only when the agent calls the gateway or a tool. Each agent has an inbox at its own address, and the agent checks it on request. ATXP names no event, webhook or schedule that starts the agent when mail arrives. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (Email, CLI)read 2026-09-25 |
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| Knowledge & context | ||
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Knowledge Grounding & RAG Ability to ground agent behavior in company data through document ingestion, retrieval, external knowledge APIs, semantic search, or RAG layers. |
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Causa PrimaKnowledge Grounding & RAG A discount proposal draws on fourteen months of supplier history held on the network. That context comes from the network's own transaction records at the moment of the recommendation. Causa Prima describes no maintained store of the customer's documents, policies or knowledge for the agents to search. SourceCausa Prima, causaprima.airead 2026-09-06 |
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Circuit & ChiselKnowledge Grounding & RAG The search, crawl and X search tools query the public web, not the customer's corpus. The filestore keeps files but does not index them for retrieval. ATXP names no retrieval structure over the customer's knowledge. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (Tools)read 2026-09-25 |
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Memory & State Persistence Ability to persist context across a run, conversation, workflow, user, team, or longer-term memory layer. |
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Causa PrimaMemory & State Persistence The agents work over invoice, purchase order and relationship state held in the network's transaction record, the application's own data model. Deleting it would delete the business record. Causa Prima describes no memory with a stated scope and lifetime, and no conversational session state. SourceCausa Prima, causaprima.airead 2026-09-06 |
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Circuit & ChiselMemory & State Persistence The Filestore MCP server lets an agent store, retrieve and delete files under its own account, and its inbox keeps mail it can read later. That way an agent can carry material from one session to the next. ATXP states no scope, lifetime or review surface for what the agent keeps. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (Filestore, Email)read 2026-09-25 |
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| Control & trust | ||
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Human Oversight & Guardrails Approval steps, consent checkpoints, escalation rules, structured guardrails, policy constraints, and pause/resume controls. |
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Causa PrimaHuman Oversight & Guardrails Each agent recommendation reaches the finance team as a card with Modify, Explain and Confirm actions, such as an active recommendation of a $970 early payment saving with a supplier. The agents negotiate terms and settle disputes on the network. A person can modify, ask for the reasoning behind, and confirm an agent's proposed action before it takes effect. Causa Prima does not say how to set what agents may settle without confirmation. SourceCausa Prima, causaprima.airead 2026-09-06 |
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Circuit & ChiselHuman Oversight & Guardrails Pre funded credits (IOU tokens) set a structural ceiling on what an agent can spend. The ATXP client takes an approvePayment callback that runs before each payment, which the developer can use to auto approve small amounts and send larger ones for confirmation. The confirmation step itself is the developer's code, and ATXP names no approval screen of its own. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (@atxp/client) and atxp.ai/llms.txt (IOU tokens and spending limits)read 2026-09-25 |
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Security, Identity & Governance RBAC, SSO, auditability, encryption, least-privilege tool access, compliance posture, and data handling policy. |
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Causa PrimaSecurity, Identity & Governance No attestation, certification, trust center or customer facing access model is published. Scribo's API lists only a security contact address. SourceCausa Prima, causaprima.ai/privacy and github.com/causa-prima-ai/scribo-api-docsread 2026-09-06 |
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Circuit & ChiselSecurity, Identity & Governance Each agent gets its own account with a connection token, a wallet and an email address, which keeps credentials separate for each agent. ATXP names no roles, SSO or permissions for the account portal, and no attestation or trust page is published. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (Agent quickstart, CLI, troubleshooting)read 2026-09-25 |
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Observability & Auditability Traces, logs, execution histories, metrics, audit events, and debugging detail for production agent behavior. |
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Causa PrimaObservability & Auditability Each recommendation the agents surface carries an Explain action that returns the reasoning behind it, and Causa Prima promises visibility of where every invoice stands. It describes no run trace, audit log of agent actions or export. SourceCausa Prima, causaprima.airead 2026-09-06 |
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Circuit & ChiselObservability & Auditability The npx atxp transactions command lists an account's recent payments, and the account portal shows usage and balance. The client's onPayment and onPaymentFailure callbacks let a developer record each payment. These report what was paid for, one payment at a time, and ATXP names no view of an agent's steps or tool calls as a run. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (CLI, @atxp/client, Account Portal)read 2026-09-25 |
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Deployment & Data Residency Deployment modes and options, including SaaS, dedicated cloud, VPC, on-prem, hybrid, local runtime, and self-hosting. |
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Causa PrimaDeployment & Data Residency Product data hosting is not published, and neither is any choice of region. Vercel hosts the corporate website, and product processing falls under a separate privacy notice at app.causaprima.ai/privacy. The Scribo API is served from scribo.causaprima.ai, with no hosting region stated. SourceCausa Prima, causaprima.ai/privacyread 2026-09-06 |
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Circuit & ChiselDeployment & Data Residency The gateway (llm.atxp.ai), tools and accounts run as ATXP's hosted service. No hosting region is published, and ATXP names no option to run in the customer's environment. The Redis and SQLite packages store OAuth tokens for a developer's own paid MCP server, which the developer deploys. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (@atxp/redis, @atxp/sqlite, LLM Gateway)read 2026-09-25 |
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| Solution readiness | ||
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Prebuilt Agents, Templates & Packs Ready-made workflows, packaged employees, templates, blueprints, industry solutions, and role-specific agents that reduce time-to-value. |
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Causa PrimaPrebuilt Agents, Templates & Packs The network runs a buyer agent and a supplier agent, and each side receives the agent for its role. There is no set of prebuilt agents for a customer to browse or select among. SourceCausa Prima, causaprima.airead 2026-09-06 |
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Circuit & ChiselPrebuilt Agents, Templates & Packs ATXP offers no prebuilt agents or templates for a customer to adopt. The ATXP Skill gives an existing agent access to the paid tools as a tool bundle. The consumer apps atxp.chat, atxp.music and atxp.pics are built for people, and clowd.bot (beta) hosts OpenClaw, an open source runtime ATXP did not build. SourceATXP by Circuit & Chisel, atxp.ai and docs.atxp.ai llms-full.txt (ATXP Skill)read 2026-09-25 |
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| Platform extensibility | ||
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Model Flexibility & Routing Ability to work across multiple foundation models, route tasks to different models, or let buyers bring their own providers and keys. |
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Causa PrimaModel Flexibility & Routing The model providers that process customer data are not named, and Causa Prima describes no customer or admin choice of model. The only named third party in the Scribo pipeline is an invoice validator, not a model provider. SourceCausa Prima, causaprima.ai/privacy and github.com/causa-prima-ai/scribo-api-docs; causaprima.airead 2026-09-06 |
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Circuit & ChiselModel Flexibility & Routing The caller chooses the model. ATXP's LLM Gateway at llm.atxp.ai/v1 is OpenAI compatible and serves GPT, Claude, Gemini, Llama, Qwen and other models from a published catalog with per token pricing. Each request names its model, and desktop apps such as Goose use the gateway as a provider. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (LLM Gateway, Available models and pricing, Use the LLM Gateway in apps)read 2026-09-25 |
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APIs, SDKs & MCP Extensibility Composability layer: stable APIs, SDKs, MCP tool consumption/serving, custom tools, and integration into internal systems. |
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Causa PrimaAPIs, SDKs & MCP Extensibility Scribo, which Causa Prima calls its first freely available skill and an early glimpse of the platform, has a public HTTP API of eight endpoints under /api/v1. It comes with a canonical OpenAPI 3.1 document, anonymous rate limited access with optional partner bearer keys, and idempotency and error envelopes. A hosted MCP server at scribo.causaprima.ai/mcp, an npm CLI and an agent skill all call the same API, with the canonical reference at scribo.causaprima.ai/docs/api. The API covers Scribo's invoice generation and verification only. Causa Prima describes no API for the agent to agent network's negotiation and dispute functions. SourceCausa Prima, github.com/causa-prima-ai/scribo-api-docsread 2026-09-06 |
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Circuit & ChiselAPIs, SDKs & MCP Extensibility SDKs and a CLI drive ATXP itself. The API reference covers the @atxp/client, server, express, base, common, redis, sqlite and solana packages. The CLI registers and funds agents, checks balances, lists transactions and calls tools. The gateway is an OpenAI compatible HTTP endpoint, and the docs are served as an MCP server. SDKs and reference servers are published at github.com/atxp-dev. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (API Reference, CLI) and docs.atxp.ai/llms.txtread 2026-09-25 |
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Testing, Debugging & Optimization Testing, debugging, scoring, retries, fallbacks, quality gates, and optimization loops for improving agent workflows before and after deployment. |
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Causa PrimaTesting, Debugging & Optimization No evaluation harness, scored test cases, quality gate on a change to an agent or optimization loop is described. Scribo validates every generated invoice against an external EN 16931 validator, one output at a time. SourceCausa Prima, github.com/causa-prima-ai/scribo-api-docs and causaprima.airead 2026-09-06 |
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Circuit & ChiselTesting, Debugging & Optimization ATXP covers accounts, payments, a gateway and tools, and names no way to test or score agent output. The company's Pareto benchmark harness on GitHub belongs to Unbiased, its separate model product. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt and circuitandchisel.comread 2026-09-25 |
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| Specialist automation | ||
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Browser & Computer Use Browser, desktop, or remote/local computer control for workflows that cannot be handled through stable APIs alone. |
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Causa PrimaBrowser & Computer Use Agents act on invoices, disputes and terms inside Causa Prima's own network, and Scribo generates documents over an HTTP API. Causa Prima describes no browser, desktop or computer control. SourceCausa Prima, causaprima.ai and github.com/causa-prima-ai/scribo-api-docsread 2026-09-06 |
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Circuit & ChiselBrowser & Computer Use The Crawl tool fetches web pages as one of the paid tools, and the code tool runs code in a sandbox. ATXP names no agent that operates a browser or desktop. SourceATXP by Circuit & Chisel, docs.atxp.ai llms-full.txt (Crawl, Code)read 2026-09-25 |
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Pricing snapshot
Sourced from the Index pricing dataset · open each vendor's profile for full detail.
| Pricing | C Causa Prima |
C Circuit & Chisel |
|---|---|---|
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Entry price Lowest public entry point |
Free (SMB); contact for enterprise | Free account; pay as you go per model and tool call from a pre funded balance, $5 starting credit for a self registered agent |
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Pricing confidence How public the numbers are |
Contact only | Public, exact |
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Billing Primary billing axis |
— | believed transaction or settlement fees on agent payments (not disclosed) |
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Variable cost Workload / overage exposure |
Medium variable cost | High variable cost |
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Free tier / trial Try before you buy |
Free tier
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No free tier
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Buying motion Self-serve vs sales call |
Sales call | Self-serve |
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Pricing verified When this pricing was last checked |
Causa Prima is pre seed, with a free tier for small businesses and enterprise terms by contact. ATXP is live and self serve, and Circuit and Chisel now also builds Unbiased, a separate model platform.
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